No audio is present in the game. 

The controls are as follows:

- Arrow keys to move
- Q, E, Z and C keys to move diagonally (up-left, up-right, down-left, down-right specifically)
- F to fire bullets
- V to make yourself prone (once you acquire the intel)

Additional information about this game can be found on Nitrome Pixel Love Wiki: https://nitromepixellove.fandom.com/wiki/G0
This really is the finest barebones approach to a tactical roguelike stealth game.
