The Tool Desk
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What settings should you use first?
Use this as your starting profile for Poly Fighter on Steam Deck:
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| Setting | Starting value | Why |
|---|---|---|
| Display resolution | 1280×800 | The Deck’s native output; the current demo was reported to hold 60 FPS at this resolution. |
| Graphics preset | Maximum | The current demo report found stable performance at maximum settings. |
| Frame-rate target | 60 FPS | Fighting games benefit from consistent, responsive input. |
| FSR | Off unless Poly Fighter provides the option and you need more headroom | FSR renders below the output resolution and upscales the image; it is an optional tool, not a confirmed requirement. |
| SteamOS frame limit | 60 FPS, if you use the system limiter | Keeps the target explicit and makes power-tuning easier to evaluate. |
| SteamOS TDP limit | Leave at the default initially | There is no published Poly Fighter-specific TDP benchmark. Lower values can save battery but may reduce smoothness in demanding scenes. |
Poly Fighter is a single-player roguelike fighting game in Steam Early Access and is labeled Steam Deck compatible. HeartLoop Games’ 2026 Early Access announcement also lists 16 playable fighters. “Compatible” is a useful baseline, not a promise that every future update will behave identically; the performance evidence above applies to the current demo described in the September 28, 2026 report.
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The Steam Deck’s panel is 1280×800. Running Poly Fighter at that output avoids an extra scaling step and preserves the sharpest image the panel can show. More importantly, the available test of the current demo already reports stable 60 FPS at native resolution with maximum settings, so there is no evidence-based reason to begin by lowering resolution.
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When to try a lower resolution
Lower resolution is a fallback for a particular problem: a scene that cannot maintain your chosen frame-rate target. It is not a prerequisite for running Poly Fighter. If you do test a lower internal resolution, compare it in the same fight or similarly busy scene and watch for softened text, menus, or character outlines. Restore 1280×800 if the performance problem does not improve enough to justify the image-quality loss.
Do not confuse output resolution with internal rendering
FSR and similar upscalers can keep the display output at 1280×800 while rendering the game internally at a lower resolution. That is different from changing the Deck’s display mode. Use the game’s own resolution and upscaling controls when available; use SteamOS scaling only when you understand which layer you are changing.
Maximum settings and the 60 FPS target
Why maximum is a sensible baseline
Poly Fighter is described as lightweight for its genre, and the current-demo report found stable 60 FPS at maximum settings and native 1280×800. Starting high gives you a known visual baseline. If you immediately choose a reduced preset, you lose a clear way to tell whether a later change helped performance or merely made the image worse.
Why 60 FPS matters in a fighting game
A stable frame rate makes animation and input timing more predictable. The evidence supports 60 FPS for the tested demo configuration, but it does not establish that every later build, arena, effect, or prolonged session will behave identically. Treat 60 FPS as the target to verify on your own Deck, not as a guarantee for all versions of an Early Access game.
How to verify the target
- Launch Poly Fighter and load an actual fight rather than judging performance from a menu.
- Open the Steam Deck Quick Access Menu with the … button.
- Choose the Performance tab and enable the performance overlay or FPS readout available on your system.
- Play through a representative fight, including a period with several simultaneous effects.
- Record whether the counter stays near 60 FPS and whether controls feel consistent. A brief dip during a transition is a different issue from repeated drops during combat.
The report supports the maximum/native/60 profile; it does not publish frame-time data, a minimum FPS, or results for every game mode. Those details are why a short in-game check is still worthwhile.
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How to reduce power draw without unnecessarily hurting image quality
The current-demo report notes that power consumption can climb unexpectedly during prolonged fights. It also reports that lowering graphics settings addressed the higher draw without visible quality loss, but it does not identify which individual options made the difference. Consequently, change one option at a time instead of assuming that a particular slider is the cause.
Use this order for graphics changes
- Open Poly Fighter’s graphics or video menu.
- Lower shadows by one step, if that control exists.
- Play the same type of fight again and check FPS, visual distractions, and the Deck’s power readout.
- If power use is still higher than you want, restore shadows if their change did not help and lower effects by one step.
- Test again, then try one step lower for post-processing if necessary.
- Keep the first setting combination that reduces draw without introducing a visible problem or unstable frame rate.
This is a practical tuning method, not a published ranking of Poly Fighter’s individual options. The available report confirms the overall result of reducing settings, not the contribution of each slider.
What to watch in SteamOS
Use the Quick Access Menu’s Performance tab to observe FPS and adjust the frame limiter or TDP. Windows Central documents a system frame-limit slider from 10 to 60 FPS and a TDP slider from 3 to 15 W. The numbers describe SteamOS controls, not a Poly Fighter benchmark. A lower TDP can extend battery life, but a demanding scene may then run less smoothly.
Frame-rate profiles: choose based on responsiveness or battery life
| Profile | Frame limit | Image settings | Power approach | Evidence and trade-off |
|---|---|---|---|---|
| Competitive-feeling baseline | 60 FPS | 1280×800, maximum | Default TDP initially | Matches the current-demo report. Highest responsiveness of the documented choices, with no claim about exact battery duration. |
| Visual-preserving power tune | 60 FPS | 1280×800; lower shadows, effects, or post-processing one step as needed | Test the game first, then consider a modest TDP reduction | The report says reduced settings addressed high power use without visible quality loss, but does not isolate the winning option. |
| Battery-priority experiment | A lower cap selected in SteamOS | Keep native resolution; reduce settings only if needed | Lower TDP may be tested | No Poly Fighter-specific 40 FPS or other lower-cap benchmark was published. Treat the result as a personal tuning choice. |
| Compatibility fallback | Use the cap that is stable after the game launches | Start with the profile above | Do not change power controls until launch/rendering is working | Proton Experimental is general troubleshooting guidance, not a confirmed Poly Fighter fix. |
Should you cap Poly Fighter below 60 FPS?
Only if battery life or lower power draw matters more to you than the 60 FPS target. SteamOS lets you choose a lower frame limit, but no source provides a Poly Fighter-specific 40 FPS test. A lower cap can reduce unnecessary rendering when the Deck would otherwise work toward 60, yet it also changes motion and input feel. Test a lower cap in a real fight and keep it only if the controls remain comfortable.
Use one limiter at a time while testing
If Poly Fighter has its own frame-rate option, decide whether to use it or SteamOS’s limiter before comparing results. Stacking two different limits can make troubleshooting harder because you will not know which control is responsible for a change. The documented SteamOS range is 10–60 FPS; the article’s recommended starting point remains 60.
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FSR: when it helps and when to leave it off
AMD FidelityFX Super Resolution (FSR) renders a game at a lower internal resolution and upscales the result to the display resolution. Windows Central recommends using it when a game supports it. Poly Fighter’s available performance report does not confirm that the game exposes FSR, so do not search for a missing option as though it were required.
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If Poly Fighter includes an FSR setting
- Keep the output at 1280×800.
- Enable FSR in the game’s graphics menu.
- Choose the least aggressive quality mode that solves your performance problem, if the game offers multiple modes.
- Compare fine details, character edges, and text against native rendering.
- Keep FSR only when the performance improvement is visible in the fight you care about and the image remains acceptable.
If there is no FSR option
Leave FSR out of the plan. Use the native resolution and the game’s own quality controls first. SteamOS’s scaling settings are not evidence that Poly Fighter supports AMD FSR, and enabling a generic upscaler cannot be presented as a confirmed game-specific fix.
SteamOS controls: frame limit and TDP
Open the per-game performance controls
- Start Poly Fighter.
- Press the Steam Deck’s … button to open the Quick Access Menu.
- Select the Performance tab.
- Use the FPS limiter to select a cap from the available 10–60 FPS range.
- Use the TDP control only after you have a stable baseline; the documented control range is 3–15 W.
- Close the menu and test in the same type of fight so that each change has a comparable result.
Lower TDP generally permits longer battery life, but it also reduces the power available to the system. Windows Central cautions that more CPU-intensive or graphically demanding games require more power to run smoothly. For Poly Fighter, there is no published wattage-versus-FPS chart, so select the lowest TDP that still feels consistently responsive rather than copying a purported universal value.
Separate power goals from performance problems
If FPS is unstable at the default TDP, first return to the maximum/native profile and verify that the issue is repeatable. Then lower a graphics option. If the game is smooth but consumes more power than you want, a lower frame cap or TDP experiment is reasonable. This distinction prevents you from using a power limit to mask a rendering problem.
Proton settings and what to do after an update
Steam Deck compatibility does not eliminate the possibility of a regression in an Early Access build. If Poly Fighter stops launching or develops rendering problems after an update, try Proton Experimental through the game’s Properties menu. This is a general Steam Deck fallback documented by Windows Central, not a Poly Fighter-specific requirement or a confirmed fix.
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Switch to Proton Experimental
- Highlight Poly Fighter in your Steam Library.
- Open the game’s Properties.
- Select Compatibility.
- Enable the option to force a specific Steam Play compatibility tool.
- Choose Proton Experimental.
- Launch the game and test both startup and an actual fight.
If Experimental introduces a new issue, return to the previous compatibility selection. Avoid changing Proton, resolution, frame limit, and TDP all at once; otherwise you cannot identify which change affected the result.
Use the default path first
Because Poly Fighter is labeled Steam Deck compatible, begin with Steam’s normal compatibility selection. Move to Proton Experimental only for a launch or rendering symptom, or when a specific update makes the default path unusable. Proton Experimental should not be treated as a performance booster when the default configuration already reaches the documented 60 FPS result.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Troubleshooting by symptom
| Symptom | First action | What the evidence supports |
|---|---|---|
| Game will not launch after an update | Try Properties → Compatibility → Proton Experimental. | A general Steam Deck troubleshooting step; not a confirmed Poly Fighter-only fix. |
| Rendering looks wrong after an update | Test Proton Experimental, then compare with the default compatibility selection. | Use compatibility changes to isolate a regression before lowering graphics. |
| FPS is below the 60 target | Verify the performance overlay during a fight; then lower shadows, effects, or post-processing one step at a time. | The current demo reached stable 60 FPS at native 1280×800 and maximum settings; individual lower-setting gains are not measured. |
| Power draw rises during long fights | Reduce a graphics option one step and retest the same kind of fight. | The report says reducing settings addressed high draw without visible quality loss, but does not name the dominant option. |
| Battery life is the priority | Try a lower SteamOS frame cap and, separately, a lower TDP. | SteamOS offers 10–60 FPS and 3–15 W controls; Poly Fighter-specific lower-cap results are not published. |
| Image is soft after enabling an upscaler | Disable FSR or choose a higher-quality mode, if available. | FSR trades lower internal rendering resolution for an upscaled output; it is optional. |
A repeatable tuning procedure
Use the following sequence when setting up a new Deck, testing a game update, or comparing battery-focused profiles:
- Reset to a known baseline. Select native 1280×800, maximum graphics, and a 60 FPS target. Do not begin with a lower TDP.
- Test in combat. Use the performance overlay and play long enough to encounter the effects and pacing that matter to you.
- Classify the problem. Decide whether you are solving unstable FPS, high power draw, poor battery life, image softness, or a launch/rendering failure.
- Change one variable. For image or FPS issues, lower shadows, effects, or post-processing one step. For battery-only goals, test a lower frame cap or TDP separately.
- Repeat the same test. Compare the same type of fight and note FPS, perceived responsiveness, image quality, and power behavior.
- Keep the least disruptive change. Restore any setting that did not improve the stated problem.
- Use Proton Experimental only for compatibility symptoms. Do not mix a Proton change into a graphics test unless the game will not launch or render correctly.
This process avoids turning an unmeasured guess into a universal recommendation. The published 60 FPS result is a strong starting point; lower caps, TDP values, and individual option changes remain choices to validate on your own hardware and build.
Recommended profiles at a glance
| Use case | Resolution | Preset and options | Frame limit | TDP | Compatibility |
|---|---|---|---|---|---|
| Best overall starting point | 1280×800 | Maximum; FSR off unless needed and available | 60 FPS | Default | Default Steam Deck selection |
| Longer-session experiment | 1280×800 | Maximum first; reduce shadows, effects, or post-processing only if power remains high | Test a lower cap if desired | Test a lower value separately | Default selection |
| Performance recovery | 1280×800 initially | Lower one graphics option at a time; consider FSR only if exposed | 60 FPS target, then reassess | Do not lower until the baseline is understood | Default selection |
| Post-update launch or rendering issue | Use the last known-good display settings | Do not change graphics while isolating compatibility | Use the last known-good cap | Use the last known-good value | Try Proton Experimental from Properties → Compatibility |
What is confirmed, and what is still a personal choice?
- Confirmed for the reported current demo: stable 60 FPS at native 1280×800 with maximum settings, according to the September 28, 2026 Tech Times report.
- Confirmed about the game: Poly Fighter is a single-player roguelike fighting game in Steam Early Access, labeled Steam Deck compatible; the 2026 Early Access announcement lists 16 playable fighters.
- Confirmed about SteamOS controls: Windows Central documents a 10–60 FPS frame-limit slider and a 3–15 W TDP slider in the Quick Access performance controls.
- Not established: a Poly Fighter-specific 40 FPS benchmark, a complete wattage table, the effect of each individual graphics slider, or a requirement to use FSR or Proton Experimental.
Those boundaries matter because Early Access builds can change. Use the documented native/maximum/60 profile as the reference point, then make narrowly targeted adjustments for your own priorities.
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