Planet Killer

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 with up to 6-player online co-op.

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?