Swarm Survivor: Endless Siege
kamen · 2026 · Idler, Tower Defense, Bullet Heaven, Desktop Companion, Incremental
PC
Positive100% · 25
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About Swarm Survivor: Endless Siege
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 inputNo manual movement, no pickup chores. Combat is fully automated so you can focus on the mowing feedback.Rich builds20+ skills, diverse heroes and enemies, different planets, plus relic and affix drops—every run has new combinations.Adjustable speedThe entire battle runs smoothly from 1× to 4× speed.Desktop small-window modePark the game in a corner of your screen and let a run tick along while you work or browse.Endless challengeIn Endless mode, manage your in-run resources and see how long you can survive under relentless waves.
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
[h1]Achievement Hunters[/h1] You can complete the achievements in under 10 hours if you focus on the game entirely not using the idle functionaltiy at all [i]This review made when I not only 100% all achievements but achieved maxing all Swarm Growth Passive Upgrades & completed all planets & difficulties[/i] [h1]What is This Game?[/h1] A central tower defense game where you have to fend off against waves of enemies, after you earn enough experience, you level up then you can choose a skill, attack style or bonus effects to help you last longer & eventually beat the planets [h1]What to Expect[/h1] [list][*][b]Auto/Idle[/b]: If enabled, it will choose a select option in a session after 4 seconds has elapsed [*][b]Swarm Guard[/b]: 7 different swarms to choose from with a variety of stats & bonuses each comes with, intially locked until you meet the requirements by beating specific planets to gain access to them [*][b]Wave Speed Multiplier[/b]: You have 1x/2x/3x/4x available at the very start [*][b]Skill Abilities[/b]: You will be able to choose 3 immediately, with a 4th afterwards at some point, a 5th can be chosen with a specific Swarm Guard, skill abilities all …2 found this helpful
Glad to finally see it released. Having a blast1 found this helpful
Cool game just farm the planets go in endless and farm like crazy :D
Fun, promising mechanics and a fresh take on the survivor-like formula. The mid-to-late game opens into a smooth, satisfying horde-mowing loop—great stress relief. Desktop mode fits perfectly: even with huge enemy counts and the game running at higher speed, it stays smooth.
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