Alien invasion

This is a first-person shooter game, which is a battlefield full of aliens.As a special forces soldier, players are free to explore or investigate the surrounding area, or kill aliens.But the player must guarantee his life as much as possible, under the premise of survival.
Control keys:
Right-click targeting
WASD movement
The left Shift running
Left mouse button attack
Space leaping
The left Ctrl squats
Mouse control direction
R Loaded Weapons