Planet Killer
A physics-driven sci-fi destruction roguelite.
81%of 112 Steam reviews— Very Positive81% of 112 Steam reviews are positive — Very Positive
Details
- Developer
- Talisman One Studio
- Publisher
- Talisman One Studio
- Released
- Sep 9, 2026
- Price
- $12.99
- Platform
- PC
About this game
You are a Planet Killer.
Seek hostile worlds.
Reduce them to molten ash.
Planet Killer is a physics-driven destruction roguelite where every shot permanently reshapes the battlefield. Unleash devastating weapons into fully simulated pixel-based planets, carve massive craters, trigger chain reactions, and survive relentless planetary defenses.
Choose your starting ship, each with unique strengths and weaknesses, and unlock new ships by destroying planets.
DEVASTATING PLANETARY DESTRUCTION
- Fully simulated destructible planets
- Real-time crater carving and shockwaves
- Chain explosions and cascading destruction
- Every shot leaves a permanent impact
Terrain fractures. Defenses collapse. Worlds crumble beneath sustained bombardment.
A GALAXY OF UNIQUE WORLDS
Advanced procedural planet generation makes every planet unique with detailed cities, surface features, cloud/storm systems, continents, islands, and oceans. Even the background of space is unique with various star fields, nebula, and galaxies.
ESCALATING PLANETARY DEFENSES
Planets fight back.
- Surface cannons
- Missile batteries
- Defensive countermeasures
- Increasingly dangerous worlds
BUILD YOUR LOADOUT

- Stack hundreds of modular weapons to create devastating combinations
- Missiles, cannons, lasers, rapid-fire barrages, experimental weapons
- Defensive/Utility modules for limitless build variety
- Adapt your build to counter evolving planetary defenses
Every run offers new upgrades, new strategies, and new ways to annihilate.
ROGUELITE PROGRESSION

Each run pushes you deeper into hostile space.
- Procedurally generated encounters
- Increasing difficulty and deadlier planetary variants
- Elite planets, storm worlds, and bosses
- A galactic shop to buy weapons, modules, and ship upgrades
- Permanent run-based death
- Rank up your unique Planet Killer emblem and title
- High-score chasing destruction
- Unlock over 128 unique starting ships for endless replayability
- Chart your path, upgrade your ship, and see how far you can get
How many worlds can you erase before you fall?
End of the developer's description of Planet Killer.People playing it
Results from YouTube
A WILD New Roguelike About Completely Annihilating Planets! - Planet Killer
Splattercatgaming

Planet Killer - Top Down Starship Destruction
Nookrium

The Only Way to Survive Was Calling In the Entire Fleet | Planet Killer
MatZuvO

Erase Entire Planets! | Planet Killer
Ben the Human

【Planet Killer】Physics-Driven Sci-Fi Planet Destruction Roguelite Gameplay! (Demo)
Kingpingamer

How to make an immortal planet. Freeze then heal then freeze and planet killer same time. 
Thomas Jefferson Edwards IV
Recent Updates & Announcements
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