Gungame with 24 guns free to play and much enemy AI like soldier and zombie, 5 game modes like gungame, survival, TDM, DM and much more, multiplayer play with friends and offline with 40 levels. Option to change came and attachments by pressing Q & E. Great blue style environment.
Instructions:
WASD - move
Mouse - shooting, aim, look around, change gun
SPACE - jump
TAB - menu
SHIFT - run