Steam game

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.

$4.24 April 30, 2026

By kamen

Windows
View on Steam
Swarm Survivor: Endless Siege - kamen. Popular. Released April 30, 2026
Screenshot of Swarm Survivor: Endless Siege gameplay showing in-action mechanics Screenshot 2 of Swarm Survivor: Endless Siege - additional gameplay view Screenshot 3 of Swarm Survivor: Endless Siege - more gameplay footage Screenshot 4 of Swarm Survivor: Endless Siege - final gameplay screenshot

Overview

About this 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.

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