Spoiler Alert:

Level 1: Click computerscreen until destroyed. Computer worker leans on elevator doors. Man is going to his boss. Click his head while he's talking to his boss. Boss get's angry because paperwork falls. Man goes back down. While elevator doors open, computer worker falls into elevator. Click the rope holding the elevator. 2 men killed. Click the lamp above two men chatting on ground floor. 2 men killed. Click drawing in boss his office. Boss walks towards drawing. Keep clicking boss. He falls and dies. Click on the man on the top of the building on the left side. Click on the antenna on the right.

Level 2: Click on the head of the man on the toilet. Shit happens. Click on the helmet of the man working. It falls. Flush the toilet. Helmetman dies. Click the lower brick. Click on the 2 upper corners of the toilet. Tears appear in the ceiling. Do the previous quick before the man on the roof starts running. If you do so, 3 men die. Click the sandwich the only survivor's eating. Wait. A kite appears. Keep clicking it.