Single-player games like Planet Killer
Below are 8 single-player Steam games similar to Planet Killer, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Planet Killer page.
Ranked picks
- 1
Vectorfall
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
Vectorfall is a fast top-down space-shooter extraction roguelite built around risky sector runs. Swap between six ships mid-fight, raid hostile signals, break the Command Node, and extract your modules before Alert brings the patrols down on you.
- 2
Crush The Rebellion!
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
The galactic empire is under siege from the rebel scum in all directions! Fight through endless waves of rebel ships using all of the weapons and resources at your disposal as you execute your sole orders: to Crush The Rebellion!
- 3
Seven Suns of Orion
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
A fast paced bullet heaven, control your Sci-fi spaceships with semi-newtonian physics. Last 7 minutes against the drone armada until their boss arrives and fight your way to freedom! Use planetary gravity and other hazards to dodge superior numbers. Collect and combine weapons for maximum firepower
- 4
Slag
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
You are tasked with servicing Terraformer Ai cores. To do this you will have to blast your way through the automated defense system. Turn the bots you come across into slag and get what "res" you can out of them as you will need it to load out your tank with different weapon and mods systems.
- 5
Alien Space Bastards
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
Alien Space Bastards is a procedurally generated 3D arcade style shooter. The aliens are attacking in force and you must utilize all the weaponry you have to survive the onslaught and bring piece to the galaxy. Multiple power ups will assist you on your suicide mission, good luck and fight bravely!
- 6
Fracture Hell
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
Fracture Hell is a replayable arcade shooter featuring dynamic destruction and deck building. Choose a class, equip your favorite guns and build a deck of upgrade cards to beat your current high score and unlock new gear.
- 7
ComboChain Pulse
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
Survive relentless waves in a fast-paced top-down bullet hell shooter. Chain combos, dodge chaos, and master skill-based combat where every second matters.
- 8
STARSHRED
Single-player alternative to Planet Killer — playable solo, no multiplayer required. Shares Action with Planet Killer.
STARSHRED is a fast-paced, top-down action roguelike set in space. Shred the invaders, choose between powerful upgrades to create unique combinations, and survive boss battles that turn into bullet hell. Grow stronger with every run and destroy the threat invading the planet.