Mega Crit confirms that Slay the Spire 2 is Steam Deck compatible, but it has not published a Deck-specific settings preset or performance benchmark. That means there is no verified “best” resolution, frame cap, Proton version, or power limit to copy. Start with the game’s defaults, check the current Steam compatibility label, and treat any tuning as something to test on your own Deck rather than an established recommendation.
What Steam Deck compatibility does—and does not—confirm
Mega Crit’s FAQ answers “Yes!” to the question of whether Slay the Spire 2 is Steam Deck compatible: Mega Crit’s FAQ. This is the developer’s compatibility statement, not a performance measurement and not confirmation of the game’s current Valve rating.
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Valve’s rating process examines controller input, operation at the Deck’s default resolution, text legibility, seamless operation, and system support. Valve says games should support the default 1280×800 or 1280×720 resolution, have good default settings, and keep text legible. Its labels are Verified, Playable, Unsupported, and Unknown; the review process is ongoing. Check the current Steam store page or your Deck library for the live rating rather than inferring it from Mega Crit’s FAQ: Valve’s Steam Deck compatibility criteria.
Start with defaults, then make one change at a time
No official source reviewed for this guide provides recommended Steam Deck graphics settings, a Deck-specific frame-rate or battery test, or a preferred compatibility layer. There is therefore no evidence-backed preset to prescribe. Begin with the game’s default settings and use the Deck’s default resolution; if you change a setting, change only one at a time so you can tell whether readability, responsiveness, or stability actually improves.
#1 Best Overall
- International (UK) Version
- 7.4” diagonal, HDR OLED, 1280 x 800 x RGB, up to 90Hz Refresh rate, High performance touch, <0.1 ms Response time, 1,000 nits peak brightness (HDR), 600 nits (SDR)
- SteamOS 3.0 (Arch-based)
- 512GB NVMe SSD, 16GB LPDDR5 on-board RAM (5500 MT/s quad 32-bit channels), microSD UHS-I supports SD, SDXC and SDHC
- 6 nm AMD APU, CPU: Zen 2 4c/8t, 2.4-3.5GHz (up to 448 GFlops FP32
Do not assume that a particular refresh rate, frame cap, TDP limit, Proton version, or graphics setting is optimal. Without comparable testing on the same Deck model and game build, those would be guesses, not confirmed optimization advice. If you are evaluating a change, watch for legible card and menu text, responsive controls, smooth transitions, and any crashes or other instability during ordinary play.
Why performance advice can change
Slay the Spire 2 is an Early Access game. Steam’s listing explains that Early Access games are incomplete and may change; it says the planned full version may add content, bug fixes, greater hardware compatibility, and other changes: the Steam store listing. Mega Crit likewise says it intends to continue fixing bugs and improving hardware compatibility.
Rank #2
- 【Upgraded】We sells product with professionally upgraded to 2TB SSD. Original Seal is opened for upgrade ONLY.
- 【Stunning 7.4" HDR OLED & 90Hz Motion】 Experience striking contrast and brilliant clarity with the all-new 7.4-inch HDR OLED display. Designed from the ground up for gaming, it features a 90Hz refresh rate for smooth motion and pure blacks. This handheld is capable of delivering an immersive visual experience, ensuring your Steam library looks better than ever with vibrant colors and amazing motion rendition.
- 【30-50% More Battery & Efficient Performance】 Play your favorites longer with up to 50% more battery life. By fitting a larger battery and a power-efficient OLED panel, this device provides extended gameplay sessions. It’s the perfect travel companion for long flights or commutes. The updated AMD APU ensures high-speed performance for AAA titles while maintaining incredible energy efficiency.
- 【3X Faster Downloads with Wi-Fi 6E】 Never wait for a game again. Equipped with Wi-Fi 6E, this Steam Deck OLED offers increased bandwidth and lower latency, delivering downloads up to 3 times faster than previous models. This ensures stable online play and rapid updates, making it the most reliable wireless gaming handheld for modern high-speed home networks.
- 【Responsive Touch & Enhanced Connectivity】 Enjoy a vastly improved touchscreen with higher fidelity and faster haptics. We’ve added a dedicated Bluetooth antenna to improve connections for multiple controllers. Whether using the built-in trackpads or the included external controller, this allows for precision play in everything from FPS to complex strategy games.
In an update dated April 17, 2026, Mega Crit listed bug fixing and compatibility and performance improvements as ongoing work, without firm timelines: Mega Crit’s news and updates. That dated note is evidence of continuing work at that time, not a guarantee about the exact performance of a later build. Recheck the current game version and Steam rating after updates; changes to the game can make older tuning advice less useful.
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Mega Crit’s FAQ describes the Early Access release as available on Steam for PC, macOS, and Linux. Steam lists the release date as March 5, 2026. The FAQ gives a $24.99 USD Early Access price and notes that regional prices vary; Steam says the price will increase after Early Access. Check the Steam listing for the current price in your region, since the amount and release-stage pricing can change.
Quick Recap
Best Value
- 1TB NVMe SSD
- 1280 x 800 HDR OLED display with premium anti-glare etched glass, 7.4" Diagonal display size up to 90Hz refresh rate
- Wi-Fi 6E
- 50Whr battery; 3-12 hours of gameplay (content-dependent)
- Carrying case with removable liner
Rank #4
- Valve is entering the gaming console marketplace with the new Steam Deck, a console geared towards PC gamers. The Steam Deck can be docked to a monitor, and used as a PC, or docked to a TV.
- Players can play a huge variety of games at any time with the comfort of a console and the freedom of a PC. Not anti-glare screen.
- Like the name suggests, the Steam Deck will include upgraded 1TB storage, and will include a carrying case. A micro SD slot will also enable expanded storage.
- Valve partnered with AMD to create a specialized APU optimized for handheld gaming, and Valve says the chip will deliver performance to run AAA gaming titles.
- The Steam Deck is outfitted with a 7-inch touchscreen, and two trackpads under the control sticks that allow gamers to operate games never designed outside of mouse and keyboard capabilities.
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