A.L.I.A.S stands for Artificial Lifeform Intended for Assassination and Sabotage. You need to destroy enemies and reach exit in each level. Use "A", "D" KEYS to move left/right, press "W" or SPACEBAR to jump. While moving press "S" KEY to perform a roll move. Use "W", "S" KEYS to climb the leaders. Press your LEFT MOUSE BUTTON to shoot. Now go and destroy them!