Single-player games like Heat Signature
Below are 18 single-player Steam games similar to Heat Signature, 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 Heat Signature page.
Ranked picks
- 1
FTL: Faster Than Light
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Strategy and Indie with Heat Signature.
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
- 2
CRYPTARK
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Adventure with Heat Signature.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
- 3
Invisible, Inc.
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Strategy with Heat Signature.
Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.
- 4
Crying Suns
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Indie and Strategy with Heat Signature.
Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire... and yourself as well.
- 5
Void Bastards
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Strategy with Heat Signature.
Inspired by BioShock and System Shock 2, Void Bastards is a revolutionary new strategy-shooter that will test your wits as well as exercise your aim. Can you lead the misfit prisoners of the Void Ark through the derelict spaceships and myriad dangers of the Sargasso Nebula?
- 6
Void War
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Strategy and Indie with Heat Signature.
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
- 7
Gunpoint
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Strategy with Heat Signature.
Gunpoint is a stealth puzzle game that lets you rewire its levels to trick people. You play a freelance spy who takes jobs from his clients to break into high security buildings and steal sensitive data.
- 8
Teleglitch: Die More Edition
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.
- 9
Tactical Breach Wizards
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Adventure and Indie with Heat Signature.
In Tactical Breach Wizards, you lead a team of renegade wizards in kevlar through turn-based battles to unravel a modern conspiracy plot. Combine their unique spells in clever ways, or rewind time to try every crazy plan you can think of to punch a Traffic Warlock through a 4th story window.
- 10
Noita
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Adventure with Heat Signature.
Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.
- 11
RONIN
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
Ronin is stylish a turn-based action platformer following the exploits of a vengeful heroine determined to strike down five prominent figures of a powerful corporation.
- 12
DEADBOLT
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
DEADBOLT is an extremely challenging stealth-action hybrid that allows you to take control of the reaper to quell the recent undead uprising.
- 13
Hotline Miami
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
Hotline Miami is a high-octane action game overflowing with raw brutality, hard-boiled gunplay and skull crushing close combat.
- 14
SUPERHOT
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
SUPERHOT is the smash-hit FPS where time moves only when you move. No regenerating health bars. No conveniently placed ammo drops. It's you, alone, outnumbered and outgunned. Snatch weapons from fallen enemies to shoot, slice and dodge through a truly cinematic hurricane of slow-motion bullets.
- 15
RimWorld
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Indie and Strategy with Heat Signature.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 16
12 is Better Than 6
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Action and Indie with Heat Signature.
12 is Better Than 6 is a dynamic top-down shooter with stealth elements, presented in a Wild West theme. The story puts you in the shoes of escaped slave fleeing to the United States in 1873.
- 17
Morphblade
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Indie with Heat Signature.
In Morphblade you move around a grid slicing, smashing and bursting waves of nasty red bugs. Each tile you move to transforms you into a different weapon: on a Blades hex you can slice enemies on either side of you, on an Arrow you can launch yourself through two enemies in a row.
- 18
Floating Point
Single-player alternative to Heat Signature — playable solo, no multiplayer required. Shares Indie with Heat Signature.
Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.