It works with Steam Deck, but it does not support Steam Input. (*1)
When using Steam Deck, please disable Steam Input and use the "Gamepad With Camera Controls" controller setting.
- How to customize keys (PAD B Customize) with Steam Deck
(1) Open Steam's "Controller settings"
(2) Set the button layout to "Gamepad With Camera Controls"
(3) Go to "Edit Layout"
(4) Go to "Joystick"
(5) Set "Right Joystick Behavior" to "Directional Pad"
(6) Set the up action to "Up Arrow Key" on the "Numpad"
(7) Set the down action to "Down Arrow Key" on the "Numpad"
(8) Set R3 click to "Escape Key" on "Keyboard"
(9) Return to the game
(10) Go to the gear icon options
(11) Go to "Operation Settings"
(12) Go to "PAD B Customize"
(13) Set the keys while moving the cursor with the right joystick
(14) Exit by clicking R3
(15) Set the "Gamepad" settings to "PAD B: Custom"
*1:
It is not supported because it causes a problem where sound is not produced.
This is probably because the Steam API does not support WebView using external CEF (Chromium Embedded Framework) and HTML5 and its native linkage (OnQuery), but we will support Steam Input as soon as we confirm the compatibility.