Repel The Rifts is a roguelite tower defense game. Players assume the role of a Commander defending against alien creatures that spawn from rifts. The gameplay loop involves surviving nightly assaults, exploring the map to expand territory, and locating the origin of the rifts.The game includes multiple commanders, each with unique starting towers and abilities. Players can upgrade their towers through an in-game market and discover powerful alien artifacts to enhance defenses. An Endless Mode is available after surviving 25 nights, providing extended challenges.