Planet Killer

Shooter· Action· Action Roguelike· Bullet Hell

Released Sep 2026

A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.

83% positive · 130 reviews

Not yet

Released, but still in active development

High confidence

Active Development

Not yet

Released, but still in active development

High confidence

Active Development

Where to buy

Steam Updated 12 Oct 2026 $12.99

Can't confirm — worth a look

We couldn't confirm these stores carry this game.

Green Man Gaming Steam key Search IndieGala Steam key Search

Prices in USD, as listed by each store.

Buying through an affiliate store helps support the site

Evaluation

Planet Killer launched on September 9, 2026, and the developer has been extremely active since then. In just the first week after release, six patches shipped (v1.0.6 through v1.0.11), each adding new features and game systems — including a new "retire run" mechanic, ship class identities, new passive perks, new starting weapons, re-roll systems, Steam Cloud support, an expanded ship circuit system, and continuous balance and bug fix work. Importantly, in the pre-launch announcement on August 31, 2026, the developer explicitly stated: "I already have several larger post-launch updates planned, along with plenty of smaller additions and improvements." The launch post on September 9, 2026 reinforced this, noting that balancing would be "an on-going process" with "many more post launch patches coming." These are clear statements of intent to continue adding content beyond what has already shipped. The game is very freshly launched (September 9, 2026, just 13 days before today's assessment date of September 22, 2026), and the developer — a solo developer who has been highly communicative — is actively engaged with the community and the product. The pace and scope of post-launch updates, combined with the developer's stated plans for further substantial updates, indicate this game is in active and sustained post-launch development with more content to come.

Evidence

Patch v1.0.10 adds new ship class identities, wingman waypoints, and multiple new game systems. Developer states 'there will likely be more patches soon as I continue getting the game to an extremely stable point.'

news post · Sep 13, 2026 source development ongoing

high

Launch post confirms 'many more post launch patches coming' and describes ongoing balancing as 'an on-going process.'

news post · Sep 9, 2026 source development ongoing

high

Content

1 of 1 released · no outstanding content

Released

Planet Killer Demo

Jun 2026

Media

Details

Developer

Talisman One Studio

Publisher

Talisman One Studio

Achievements

Platform

Windows, macOS, Linux

Controller

full support

Steam Deck

Playable

Players

Single-player · Multiplayer · Co-op · Local/Split Screen

Action Action Roguelike Shooter Bullet Hell Roguelite Top-Down Shooter 2D Colorful Stylized Top-Down Destruction Futuristic Space Sci-fi Combat

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 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.