- A
- Fire the current weapon form. Confirm title and weapon-form selection.
- D-PAD
- Move the aiming reticle around the Spire; the turret tracks it continuously.
- START
- Confirm from title screen or restart after a run.
- LEFT/RIGHT
- Choose a weapon-form card between sieges.
Gamepads work too. Click the screen first so the browser lets the sound play.