idk

[a] / [left arrow key] to move left

[d] / [right arrow key] to move right

[s] / [down arrow key] to crouch

[e] to shoot

[w] / [up arrow key] + [e] to look up and shoot

[s] / [down arrow key] + [e] to crouch and shoot

[f] to forcefall

[r] + [move to wall] to cling to wall (can shoot when clinged)