Nest is a game about a soldier who is hidden in a Bell Tower, with just a Sniper Rifle, being the last defense of an invasion in the town. Waves of enemies will come each day until the base will be destroyed.

Each day enemies will come from 4 possible directions, stating in 1 and increment each successful round passed until reach the maximum possible direction. The enemies will try to reach the soldier base, using some locations as cover from the field of view and possible fire.

When the enemies are near to the player base they will throw grenades to damage the base. Those grenades can also be used as weapon for the soldier, if kill the enemies before they throw them.