The city was captured by the enemy. Separate groups dug in high-rise buildings awaiting air support. You have to protect the roof from hostile attacks in this riveting shooter. Find weapons and grenades, they are somewhere on the boxes. You require quick reaction and the ability to correctly assess the situation in order to win. Seeing the enemy, immediately shoot and don’t wait for them to do the same. Attacks will occur in waves, which means you will have time for short breaks to reload your gun!