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
High-score chasing destruction
Unlock new 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?

Planet Killer (4454430)

Progress