Controls:
Zqsd: Movement
Space: Jump
Left_click: Fire
R: Reload
T: Return to the menu mid-game (Space if game over)
A: Gambler specialization ability
E: Laser (if Ranged class)
X: Melee (if melee class)
F: Balanced/Speed_Demon/Vampire specialization ability
Right_click: Tank specialization ability
Ctrl: Glass_Cannon specialization ability