Littlest Catalyst: Swarm Defense cover art

Littlest Catalyst: Swarm Defense

31 Dec 2026

Linux, PC (Microsoft Windows), Mac — Real Time Strategy (RTS), Strategy

A small scale real-time strategy/base defense game with roguelite elements

Command a crew of tiny bots, build a modular space base, and repel relentless alien swarms. Build, upgrade, defend, and don't forget to pet the crew members.

Story

A small team of bots have been tasked with delivering an object, known as the catalyst, to a black hole at the center of the universe, in an attempt to stabilize it. Their ship is fueled by Jump Crystals which need to be collected over the course of their journey, but collecting the crystals is no easy feat, as they are heavily protected by space bugs!

Where to buy

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