Once your mouse has control of the ship, click to give the window focus.

T = show/hide controls

space : fire

D : open/close wings

F : boost (with wings open)

S : cycle to next weapon

1 : select weapon 1

2 : select weapon 2

3 : select weapon 3

4 : select weapon 4

5 : select weapon 5

6 : select weapon 6

7 : select weapon 7

8 : select weapon 8

9 : select weapon 9