O.R.O.S.I. Inc. has been assigned with a special task to develop a lethal weapon you cannot shoot. Sounds impossible? Not for scientists from O.R.O.S.I! Still not convinced? Then enter the training simulator they developed specifically for you and experience it yourself!
W, A, S, D - move
Shift - sprint
LMB - "Shoot"
RMB - Change gun screens between showing the player's health and the number of remaining enemies.