"Swarm Survivor: Endless Siege" is a light roguelike bullet-hell shooter. Step into the role of the last Swarm survivor and fight to stay alive against relentless waves of alien warships. Build powerful upgrades and see how long you can hold the line.

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Free Demo

Play Swarm Survivor: Endless Siege Demo

Check out the full game

 

About This Demo

An easy-to-play, fast-paced bullet-hell idle roguelike set in space!

You are the last hope of the Swarm. Against endless fleets—how long can you survive?

🔹 Minimal Controls, Maximum Satisfaction

No movement. No item pickup. Fully automated combat.

🔹 Rich Skills and Build Variety

20+ skills, diverse enemies and characters, multiple planets, plus relics and modifiers with random drops.

🔹 Fast Builds, Instant Carnage

Streamlined progression lets your build come online quickly. Watch your skills and bullets fill the screen.

🔹 Endless Mode Challenge

Manage your resources wisely and push your limits against relentless enemy waves.

🔹 Speed-Up & Idle Mode Supported

Run the game in the corner of your screen and keep battling while you work or browse.

System Requirements

    Minimum:
    • OS: Windows 10
    • Processor: 2.00GHz
    • Memory: 4000 MB RAM
    • Graphics: GeForce GTX760
    Recommended:
    • OS: Windows 10
    • Processor: 4.00GHz
    • Graphics: GeForce GTX1060

Customer reviews for Swarm Survivor: Endless Siege Demo About user reviews Your preferences

Overall Reviews:
Mixed (18 reviews)






To view reviews within a date range, please click and drag a selection on a graph above or click on a specific bar.




Filter reviews by the user's playtime when the review was written:



No minimum to No maximum

Show reviews in selected display order





Learn More
Filters
Excluding Off-topic Review Activity
Playtime:
Played Mostly on Steam Deck
Operating System:
CPU:
GPU:
Device Type:
Loading reviews...