Sentinel is a strategy game released for the Atari 7800. Developed by Atari, it tasks players with defending their base against waves of enemies. Gameplay involves strategic placement of defensive structures and careful resource management.  The game was released in both Europe and the USA, though the US version exists as a prototype and was never officially released. The game is known for its challenging gameplay and immersive experience for its time.

Sentinel (Europe)

Robotron - 2084 (USA)