Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsSome links on this page are affiliate links: if you buy through them we may earn a commission, at no extra cost to you.
If Cities: Skylines crashes, slows down, or will not load a city on Switch 2, first protect the saves that still work and find out whether the problem affects one city or the whole game. There is no verified universal fix or published crash threshold for Switch 2; reports about performance are mixed, and the original Switch release and Cities: Skylines – Expanded Edition are separate software versions to identify before troubleshooting.
What should I do first if the game crashes or a city will not load?
Start with low-risk checks, not deletion or reinstallation. A city that looks corrupted may still have a usable older save, and the available evidence does not establish that any particular crash means the city is permanently lost.
As an Amazon Associate I earn from qualifying purchases.
Recommended Free Tools
- Protect recovery options. Do not overwrite the only save that might still work, delete save data, or uninstall the game before checking what recovery options your console provides. If you can open an older manual or autosave, load it and save to a different slot; leave the original saves untouched.
- Write down the failure point. Note whether the game fails at launch, while opening the save list, while loading one city, just after the simulation starts, during zooming, or while saving. Also record whether the simulation was paused and whether the issue began after a game or console update.
- Check the edition and update state. Identify whether you are running the older Switch release or Cities: Skylines – Expanded Edition for Switch 2, and note the console and game update state. Do not assume that advice about one edition applies to the other.
- Compare with a fresh city. If the game opens, create a fresh city as a diagnostic comparison. If that works while one existing city fails, the problem appears limited to that city or its save; if fresh and existing cities all fail, report a broader game problem. Neither result proves the underlying cause.
- Try an older save without replacing the affected one. If an older version loads, preserve both it and the failed save. A successful load is a way to reduce the risk of losing progress, not proof that the city has been repaired.
- Escalate with the pattern you observed. If the issue persists, contact the relevant platform or game publisher support channel. Include the edition, update state, exact failure point, whether the simulation was paused, whether a fresh city loads, whether older saves work, and any recent change that preceded the issue.
These are conservative troubleshooting steps, not a Nintendo- or publisher-documented repair procedure. The evidence available as of October 30, 2026, does not identify a single confirmed cause or universal fix for Switch 2 crashes, lag, or apparently corrupted cities.
How can I tell whether the problem is one city or the whole game?
Compare the affected city with a fresh city and, if available, an older save. The pattern helps you describe the problem accurately, but it cannot by itself determine whether the cause is the save, software, or console.
Popular on Amazon
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
| What happens | What it suggests | What to record or try next |
|---|---|---|
| The game fails before you can reach the city list | A game-wide or launch-stage failure is more plausible than a problem isolated to one city, but the cause is not established. | Record the launch failure, edition, and update state. Avoid deleting save data as a first response. |
| The save list opens, but one city will not load | The issue may be limited to that city or save; it is not proof that the city is permanently lost. | Try an older save without overwriting the affected one. Note whether another city loads. |
| A fresh city loads, but the existing city crashes | The failure appears city-specific rather than universal to the game. | Tell support that a fresh city works and identify the exact save and loading point affected. |
| Fresh cities and multiple existing cities fail | The issue is broader than one known save, although that does not establish whether the game or platform is responsible. | Report which cities fail, when they fail, and the edition and update state. |
| The city loads, but becomes sluggish during play | Slowness alone does not show that a save is corrupted. | Note when the slowdown occurs, whether it changes with the simulation paused, and whether it happens in a fresh city too. |
| The failure happens while saving | The evidence does not identify a specific cause for a save-time failure. | Do not treat the last save as safely recoverable. Preserve any other usable saves and report the save-time failure separately from loading or launch crashes. |
How should I test lag without risking a city?
Performance testing should be observational and reversible. Do not use a long test session as a reason to overwrite the only copy of a city. If the game remains usable, make a separate save slot first, then note the conditions under which responsiveness changes.
- Separate simulation speed from camera behavior. Record whether the slowdown affects the simulation, menus, camera movement, zooming, or all of them. Poor responsiveness while zooming is a different report from citizens or traffic updating slowly.
- Compare paused and running states. Check whether the problem appears only while the simulation is running. A city that is smooth while paused but sluggish when running should be described that way; it does not establish a specific hardware limit.
- Repeat the observation in a fresh city. Use the same camera movement and simulation state in a new city if possible. A difference between the two cities can help support distinguish a city-specific pattern from a broader performance issue.
- Record reproducible actions. Note whether the slowdown begins after loading, after unpausing, during zooming, or after repeated saves. Avoid claiming that a particular population, building count, or map size is a threshold unless an official source provides one.
Reports from players are mixed: some describe the original game as smoother or more stable on Switch 2, while another report says it is not meaningfully enhanced and still shows poor level-of-detail behavior. These observations do not provide a guaranteed frame rate or a promise that late-game lag disappears.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →What details help support diagnose a crash?
A concise, reproducible description is more useful than saying only that the game “crashes.” Include the observations below, and keep the original affected save available rather than changing or deleting it during diagnosis.
- Edition: the older Switch release or Cities: Skylines – Expanded Edition.
- Scope: one city, several existing cities, or every city you have tried; say whether a fresh city loads.
- Failure point: launch, save list, loading, simulation start, zooming, or saving.
- Simulation state: whether the simulation was running or paused when the problem occurred.
- Update history: the console and game update state you can see, and whether the problem began after an update.
- Recovery options: which older manual or autosaves, if any, still load. Do not claim a save is permanently lost unless support confirms it.
- Frequency: whether the failure happens every time or only intermittently, and whether restarting changes the result.
- Recent changes: a newly installed edition, update, transfer, or other change immediately before the symptom appeared.
If the failure affects only one city, say so plainly. If multiple cities and a fresh city fail, describe that broader pattern instead; it changes the scope of the report even though it does not establish a diagnosis.
Does Switch 2 eliminate lag in Cities: Skylines?
No guaranteed improvement or late-game performance level is established. Some players report that the older Switch game runs more smoothly or stably on Switch 2, while another report describes little meaningful enhancement and continued poor level-of-detail behavior.
Those reports are anecdotal and do not establish a reproducible frame rate, population limit, crash rate, or result for a large city. A slowdown in one city therefore cannot be confidently explained by a particular population threshold or by Switch 2 hardware alone. Record the city and situation where it happens, then compare with a fresh city if you can do so without risking an existing save.
Also popular on Amazon
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Which Switch version are you troubleshooting?
Identify the software edition before comparing performance, controls, content, or saves. Cities: Skylines – Expanded Edition was announced for Switch 2 with an October 28, 2026 release date; it should not be treated as simply the same software state as the older Switch release.
| Comparison point | Original Cities: Skylines Switch release | Cities: Skylines – Expanded Edition |
|---|---|---|
| Switch 2 performance | Some players report smoother or more stable play; another report says enhancement is limited and level-of-detail behavior remains poor. | A Switch 2-specific edition exists, but a controlled benchmark or guaranteed late-game result is not established. |
| Crashes and saves | There is no documented universal Switch 2 fix or proof that hardware alone prevents crashes or save failures. | Do not assume the new edition repairs an older city or imports every save. |
| Visuals and level of detail | Player reports conflict about how much the older release improves on Switch 2. | Specific visual gains relative to the older release are not established well enough to promise. |
| Controls | Reports include continued concern about missing or limited mouse support. | Confirm the actual control options for your region and version rather than assuming a new input mode. |
| Content and DLC | Content coverage belongs to the original release and its own update history. | Check the edition description for included content; do not assume every older purchase or DLC item transfers. |
| Save transfer | Existing cities remain associated with the software and console save state where they were created. | Transfer or import behavior is not established for every older save, so retain the original version and files until compatibility is confirmed. |
Do not assume that a city, feature, control option, or update behavior transfers unchanged between editions. Save compatibility, content coverage, mouse support, and the results of loading the same city in both editions are not established well enough here to make a general promise. If you are diagnosing a specific save, keep the edition that currently holds it clear in your notes.
Should I buy the Expanded Edition to fix an existing problem?
Buying Cities: Skylines – Expanded Edition for Nintendo Switch 2 may be an optional way to use a Switch 2-specific release, but it is not a technical repair product. No evidence establishes that purchasing it fixes crashes, eliminates lag in a large city, or recovers every older save.
Before buying, verify the current listing, region, physical or digital availability, included content, and any stated save-transfer conditions. Keep the older game and its usable saves until the new edition is confirmed to load the cities you care about. Treat the purchase as an edition choice, not as a guaranteed solution.
Free tools Windows power users keep installed
One-click scans. No signup required.
Should I reinstall the game or delete a damaged-looking save?
Not as a first troubleshooting step. The available evidence does not show that deleting the game, clearing data, or reinstalling repairs a city, and deleting or overwriting a save could remove a recovery option.
First check whether any older save still opens and preserve it in a separate slot if the game permits. If no save loads, document the failure and ask platform or publisher support what recovery options apply to your console and edition before taking destructive action. A reinstall should not be described as a save-repair method unless support gives edition-specific instructions.
Also popular on Amazon
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Which advice should Switch 2 players avoid?
Do not apply PC troubleshooting instructions to this console problem. Guidance for Cities: Skylines II on PC about mod managers, log files, save directories, or mod compatibility concerns a different game and file-access environment; it is not a Switch 2 repair procedure.
- Do not treat a report of smoother play on Switch 2 as proof that late-game lag or crashes are fixed.
- Do not infer a population limit, FPS figure, crash rate, memory threshold, or save-corruption rate; no authoritative figure is established.
- Do not assume the Expanded Edition repairs an older edition or imports every existing city.
- Do not delete the only affected save or uninstall the game on the assumption that either action will repair it.
- Do not treat purchasing another edition as a technical fix for an existing crash or save problem.
- Do not use PC save-folder edits, log-file paths, or mod managers on the Switch 2 version.
What does Nintendo’s compatibility information establish?
The Nintendo compatibility document reviewed for this topic lists titles with startup or progress problems but does not name Cities: Skylines in the returned content. That absence is not proof that every version or save works without defects, and a general compatibility list is not a title-specific crash database.
As of October 30, 2026, no publisher- or Nintendo-documented universal fix for Switch 2 crashes, lag, or corrupted-looking saves was identified. The most reliable next step is therefore to protect usable saves, isolate the symptom, and report the exact pattern rather than assume a fix or cause.
What should I include when contacting Nintendo or the publisher?
Send a short timeline and avoid changing the files while the case is open. State when the issue began, whether it followed an update, and whether the same behavior repeats after a normal restart. Identify the game edition, console software state, affected city or cities, and the last save that loaded successfully.
Explain whether the simulation was paused, whether the failure occurs during launch, city loading, zooming, simulation, or saving, and whether a fresh city works. If an older autosave loads, name that fact and keep the failed save untouched. If every city fails, say that explicitly; if only one fails, say that instead. Do not send a claim that the city is permanently corrupted unless the support team has confirmed it.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Frequently asked questions
Should I turn off autosave while troubleshooting?
There is no Switch 2-specific evidence here that changing autosave settings fixes crashes or save problems. Avoid changing settings in a way that leaves you with fewer recovery options; ask support before making a change if you are unsure how it affects existing saves.
Also popular on Amazon
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Widely Compatible: Transform any USB-C port into a USB-A port and USB-A port into a USB-C port, and connect up a wide range of USB-C(including MacBook, iPad Pro/Air/Mini, iPhone models with USB C ports, Samsung Galaxy series, and Google Pixel series. ) and USB A devices(including external hard drives, phones, mice, printers, and more)
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Can a laggy city still be a healthy save?
Yes. Sluggish simulation and a city that cannot load are different symptoms, and lag alone does not establish save corruption. Note whether the slowdown happens in one city or also in a fresh one.
Does the compatibility list prove Cities: Skylines has no Switch 2 bugs?
No. A title not appearing among the returned entries in a general compatibility document does not certify every game build or save, nor does it rule out a game-specific defect.
Is there a known population number at which Switch 2 starts lagging?
No authoritative threshold is established. City size, simulation activity, camera position, and edition may all matter, but do not present a population number as a guaranteed limit.
Can I use a PC save editor or mod manager?
No. PC editions have different files and tools. PC mod, log-file, and save-folder instructions are not Switch 2 procedures and may not be possible or appropriate on the console.
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Will an older autosave definitely recover my city?
No. An older save that loads is a useful recovery option, but it does not prove that the newest save is repairable or that the underlying issue is resolved. Save it to a new slot and keep the originals.
Should I test the same city in both Switch editions?
Only if both editions are legitimately available to you and you can preserve the original save first. A difference may help describe the symptom, but it does not establish universal compatibility or prove that one edition repairs the other.
Also popular on Amazon
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Does buying a physical copy provide a fix?
No. A physical purchase may provide access to a different edition, but it is not evidence of a repair. Verify edition contents and save-transfer terms before spending money.
Frequently Asked Questions
Should I turn off autosave while troubleshooting?
There is no Switch 2-specific evidence here that changing autosave settings fixes crashes or save problems. Avoid changing settings in a way that leaves you with fewer recovery options; ask support before making a change if you are unsure how it affects existing saves.
Can a laggy city still be a healthy save?
Yes. Sluggish simulation and a city that cannot load are different symptoms, and lag alone does not establish save corruption. Note whether the slowdown happens in one city or also in a fresh one.
Does the compatibility list prove Cities: Skylines has no Switch 2 bugs?
No. A title not appearing among the returned entries in a general compatibility document does not certify every game build or save, nor does it rule out a game-specific defect.
Is there a known population number at which Switch 2 starts lagging?
No authoritative threshold is established. Do not present a population number, frame-rate figure, or memory limit as a guaranteed cutoff.
Can I use PC save editors or mod managers?
No. PC Cities: Skylines and Cities: Skylines II use a different file-access model. Their mod, log-file, and save-folder instructions are not Switch 2 troubleshooting steps.
Will an older autosave definitely recover my city?
No. It is a risk-reduction option, not a guaranteed repair. Save it to a new slot and keep the original files untouched.
Should I buy Expanded Edition to solve a crash?
Not as a guaranteed fix. It is a separate Switch 2 edition; verify its contents and save-transfer conditions, and retain the older version until your cities are confirmed to work.
The Bottom Line
Protect every usable save, identify whether the failure is city-specific or game-wide, and record the edition and update state. Switch 2 may feel smoother for some players, but no official crash fix, performance threshold, or save-recovery guarantee has been established. Treat the Expanded Edition as an optional software choice—not a repair—and use Nintendo or publisher support when the problem persists.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
