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Swarm Survivor: Endless Siege

Swarm Survivors: Endless Siege is a light roguelike bullet-hell idle shooter. You play as the last survivor of the Swarm, fighting to stay alive under the endless siege of alien fleets. Build overwhelming power and face wave after wave of relentless challenges.

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Developer
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Release
April 30, 2026
94 days ago
Steam Reviews
Positive28 reviews100.0%

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Updated: Jul 10, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 10, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 10, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Swarm Survivor: Endless Siege and kamen funded?FundingThe known source of funding behind the game.
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Updated: Jul 10, 2026Release statusWhether and how the game has been released.

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About the Game

A light-touch, ultra-satisfying space bullet-hell idle roguelite.

You are your swarm’s last hope—how long can you last against an endless tide of fleets?

Minimal input

No manual movement, no pickup chores. Combat is fully automated so you can focus on the mowing feedback.

Rich builds

20+ skills, diverse heroes and enemies, different planets, plus relic and affix drops—every run has new combinations.

Adjustable speed

The entire battle runs smoothly from 1× to 4× speed.

Desktop small-window mode

Park the game in a corner of your screen and let a run tick along while you work or browse.

Endless challenge

In Endless mode, manage your in-run resources and see how long you can survive under relentless waves.