Physics Sim In Development

PLANET KILLER

A fully dynamic, sand-falling physics planetary destruction simulator.

Available Now!

Play now on Steam

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Dev Log

Co-op Patch Released

6 player online co-op patch has just released. Read the patch notes here.
Planet Killer is LIVE!

Planet Killer has finally launched and is available now! Start destroying planets today. Get it on Steam.
Release Update

Full release set for September 9th 2026.
Demo Live

The official Planet Killer demo is now live! Try it out and start destroying planets today.
Playtest Concluded

The official Planet Killer playtest has ended. Thanks to everyone who participated!
Previous

Massive optimization overhaul completed for the sand-falling physics engine.

Talisman:

"I’ve been a gamer my entire life, and I've been designing games that I want to play with 17 years of game dev experience."

Talisman One Studio is my indie game development company, built on passion and dreams and I just released Planet Killer, the ultimate planet destroying game on the market.

Check out my 28 old flashgames here Explore Talisman Labs