Skillwarz is a multiplayer online shooting game with well-made graphics, good control feel, and a sense of presence similar to CS. You can survive with your teammates, and you can also pick up various props and supplies on the field to make your combat more handy.
Controls
WASD = move
Space = jump
C = crouch / slide
Shift = sprint
R = reload weapon
Left click = fire weapon
Right click = aim down the sight
Mouse wheel = switch weapon
Q = melee
G = primary grenade
F = secondary grenade
1 = select primary weapon
2 = select secondary weapon
3 = use pickup bonus
Tab = scoreboard
~ = menu
T = spay
Y = say all
U = say team