Sentinel is a game about a robot named Sentinel who is part of the crew of a space ship. When this space ship exploded, Sentinel has been damaged and needs new parts to come back on Earth. To find these parts, he’ll have to fly around in the ship and hope to get them in time. It’s main problem to find those is that it’s batteries have been severly damaged and so he’s loosing speed continuously and needs to reach the generators of each rooms before he dies.