CONTROLS:
To start Game, press Enter and Use ARROW Keys
Use ARROW Keys for movement
or
A (Left), W (Forward), S (Backward), D (Right)
Use MOUSE look and aim in any direction
Press CTRL Key to use Weapon
Press ENTER to jump
Press SHIFT to run
Press ALT to sidestep
Press ??? to swim up and C to swim down
You can also customize the keys in the Controls menu!
(There is no Key set for swim up, so you may want to customize it)