Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
Recent Reviews:
Very Positive (76) - 84% of the 76 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (2,649) - 93% of the 2,649 user reviews for this game are positive.
Release Date:
Sep 21, 2017

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Includes 3 items: Gunpoint, Heat Signature, Morphblade

Downloadable Content For This Game


Recent updates View all (17)

February 13

Two weeks to find two weapons left by two legends in love


It's on this day, the 13th of Space February for some reason, we remember the assassin Cherry Ash and her lover, muse, and arresting officer Tesh Domina. Two legends of their professions, two glittering careers brought crashing down in glorious flames when they hooked up instead of doing their jobs. Today we celebrate their professionally disastrous and ultimately fatal love, partly because it has something to teach us about the human condition, and partly because their sweet custom weapons are still knocking around here somewhere.

For the next two weeks, two unique shipments are passing through the Drift. Look for a ship with a flashing gold beacon, and raid it to find either Cherry's Fatal Attraction or Tesh's Instant Connection. Each shipment will keep flying around until you steal it, or until the end of February. After that, whether you stole them or not, both items will be available to find as very rare random loot.

Cherry's Fatal Attraction

Stabbed through the heart
And you're to blame
You give teleporting swords into people
A bad name

Cherry's Fatal Attraction is a melee weapon that teleports you to your target with your blade already through their heart. It's long range and penetrates anything - even shields - but needs recharging after one use. When it's out of charge, it still works as an armour-piercing longblade.

Tesh's Instant Connection

Tesh Domina was known for being able to pacify a room full of criminals faster than any other Offworld Security Officer. Ever the supportive partner, Cherry thought Tesh's kit was holding her back. So she had this wildly expensive custom concussion club made for her, with zero recovery time and a Slipstream effect on every strike. After that, Tesh wasn't known for much - everyone she took out thought they'd been hit by some kind of blurry grenade.


We've added the option to disable Liberators, the well-equipped characters who show up in the bar to help anyone struggling to liberate stations.


We're thinking about an update to add some optional extra difficulty - vote on which of our ideas sound good to you.


Because we're slow and bad, there's still time to get on our trading cards! Tweet a GIF, GFY or short video clip of something extraordinary you did or that happened to you in Heat Sig, mention @HeatSig in the tweet, and we'll make trading cards about the best. We have 3 we're definitely going to pick so far, and we need at least 2 more.
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Supporter's Edition

The Supporter's Edition of Heat Signature comes with a bunch of fun extras:

  • Play through Heat Signature's development with 8 early prototypes from its 3.5 year development.
  • Watch 9 developer commentary videos showing and explaining its evolution: from drilling through hulls to liberating empires. (Total: 70 minutes)
  • Own the full soundtrack in 320kbps MP3 format. (19 tracks, 83 minutes)

About This Game

Break into spaceships!

Fly your pod up to any spaceship in the galaxy and dock with its airlock to sneak inside. From there, you've got to sneak up on the crew, outshoot them in slowmo gunfights, or outthink them with clever gadgets. Take missions to steal loot, assassinate VIPs, or rescue friends.

Take your time!

Get out of impossible situations by pausing at any time and taking as long as you need to figure out a clever plan. You have a wide range of gadgets with clever uses, and you can switch, aim and fire them with no time pressure at all, letting you pull off ridiculously cool tricks without needing twitch skills.

Liberate the galaxy!

All your missions get you closer to liberating new space stations from the empires that control them, and this unlocks new gadgets to buy in your shops, and special challenge characters to play.

Lots more features!
I'm not making GIFs for all these!
I'm not made of GIFs!
I'm not some kind of GIF-golem!

Emergent gameplay!

Use gadgets like teleporters, stealth shields and subverters to invent your own solutions to tricky situations.

Galactic zoom!

Zoom smoothly from a view of the whole galaxy down to your character sneaking up on guards inside the spaceship you're boarding.

Choose your difficulty!

You choose each mission, ranging from trivially easy to nightmarishly hard. There's also a practice mode where you can try items and tactics with no consequences and instant-restart.

Randomly generated missions!

Each one picks a random combination of guard kit, ship layout, and complications like space battles.

Each life is a new character!

Choose between randomly generated characters with different starting kit, and when you die, play as someone new in the same galaxy.

Personal missions!

Every character has one grand heist to work towards: rescue their brother, steal their gun back, get revenge on their partner's killer.

Modular destruction!

Blow up any part of a ship with breach grenades or fuel barrels. Rip a ship in half. Get sucked into space by the vacuum.

Rescue your friends' characters!

If someone on your friends list gets their character captured, and they aren't able to rescue them, maybe you can! You'll sometimes get a character whose personal goal is to rescue a friend's character. If you manage it, you unlock your friend's character to play as! They don't get it back. They had their chance. It's yours now.

Find your friends' items!

When you retire an accomplished character, you can choose one item to pass on. You get to name it, and both your Steam friends and your own future characters have a chance to find these as loot. Equally, you'll come across items your friends have named.

What Heat Signature is not:

We don't want you to buy Heat Signature if it's not for you. We'd always rather have a happy non-customer than an unhappy customer. So here's what it isn't:


  • It's not story-driven: there's a backstory to this place and a few conversations with characters, but there's not a story that develops as you play. It's much more about the stories you generate by playing, about how you got out of impossible situation X or pulled off crazy stunt Y.

  • There aren't other careers: You can't mine asteroids. You can't build ships. You can't recruit a crew. You're an infiltrator, you break into spaceships for a living, it's all about that.

  • There are no planets: The whole game takes place in this nebula full of space stations. You can dock at any friendly station and board any hostile ship, but it's not a space exploration game.

  • It's not multiplayer: The friends features mentioned above are fun but they're just sharing content, it's not multiplayer at all and you're never in the same world together.

There are cool games about all those things. This is a cool game about something else!

System Requirements

    • OS: Windows 7
    • Processor: 1.7GHz dual-core CPU
    • Memory: 8 GB RAM
    • Graphics: Intel HD 5000 or better (GeForce and Radeon tend to be better)
    • DirectX: Version 9.0
    • Storage: 400 MB available space
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