Mad scientist conducting experiments of his laboratory opened a portal to a parallel world. Soldiers who wanted to take over the building and organize a bridgehead for the invasion appeared from it. Now you are in the game Crazy Scientist will need to help our hero to repel their attack. Having quickly escaped to a distant department, the scientist created a special weapon capable of quickly and effectively destroying the enemy. Now you are controlling his actions will have to go through the building and find the enemy. Seeing him aim the weapon at the enemy, and using accurate fire destroy them all.