For anyone else wondering of the controls :
WASD - Move
Interaction - F
Fire - LMB
ADS - RMB
Reload - R
Sprint - Left Shift
Crouch - Left Control ( I wouldn't recommend crouching haha)
Access Options menu with - Escape
To adjust graphics, you will have only few scalability options - Low, Medium, High, Epic and Cinematic in the options menu.
Also, purpose of the game is to find the hostages and rescue them to exit point, additionally there's a little trick at them end of the game to actually finish the game, make sure to brainstorm that as well, you will have two ways Right and Wrong - And hint for answer is : Theme of game jam.