Gatekeeper: Eclipse

In this prologue to Gatekeeper, you take on a quest to recover a stolen cosmic heart. It is a third-person shooter set across three locations called the Nowhere.

Fight machine enemies and defend gates from waves emerging through portals. Any enemies left alive when you move on can follow you to the next level.

Gain skills at each level as you push through the locations. The prologue includes two endings.

The supplied review describes the game as fun and nerve-racking, and gives particular approval to its gates. This reflects one player's view.