Yes, you can play SRX: The Game using a keyboard! You can edit the key bindings by going to the Options screen and selecting the Input Mapping tab.
The default keys are:
UI
- Accept (A): Enter
- Cancel (B): Esc
- Alt 1 (X): X
- Alt 2 (Y): Y
- Start: Space
- Next Page (RB): Page Down
- Prev Page (LB): Page Up
- Up: Up arrow, Numpad 8
- Down: Down arrow, Numpad 2
- Left: Left arrow, Numpad 4
- Right: Right arrow, Numpad 6
Driving
- Steer Left: Left arrow
- Steer Right: Right arrow
- Gas: Control (Ctrl)
- Brake: Alt
- Look Left: Left bracket [
- Look Right: Right bracket ]
- Look Forward: Equals =
- Look Back: Minus -
- Toggle Mirror: Apostrophe '
- Change View: Semicolon ;
- Race Info: Period .
- Car Info: Slash /
- Pause: Esc
- Reset Car: Home
Replay
- Shuttle Back: Left arrow
- Shuttle Forward: Right arrow
- Pause / Play: Space
- Skip to End: End
- Skip to Start: Home
- Change Camera: Semicolon ;
- Toggle Overlays: O
- Toggle Music: M