Activision has remained silent regarding a native Linux/Proton update for Ricochet. Unlike Epic Games (Easy Anti-Cheat) or BattlEye—which both released updates allowing developers to "toggle on" Steam Deck support—Activision maintains a closed ecosystem for Ricochet to ensure maximum security control. If you're looking to get started, I can help you with: step-by-step guide to setting up Windows on a microSD card. Steam Deck settings Call of Duty via Windows. verified FPS alternatives that run perfectly on SteamOS. Which of those sounds most helpful to you?
If you own a powerful gaming PC, you can run Call of Duty on your PC and stream it to your Steam Deck using Moonlight or Steam Remote Play. ricochet steam deck