Heat Signature

Heat Signature

Suspicious Developments · September 21, 2017 · Space, Stealth, Indie, Top-Down, Roguelike

Buy the Heat Signature key for Steam from Gameseal at $0.95 — the cheapest of 7 stores we compare.

PC
Very Positive94% · 7,43079Metacritic37playing now
Best price 87 Lowest tracked
$0.95-80%
⭐ lowest tracked
Gameseal Buy at Gameseal

Prices last checked

More games under $5 →

Where to buy Heat Signature — official stores

Steam
Steam
Standard Edition · Steam
-80%
$2.99
$14.99
Buy
Humble Store
Humble Store
Standard Edition · Steam
$14.99
Buy

Cheapest Heat Signature keys — keyshops

Keyshops are third-party marketplaces — keys are resold and can be region-locked or a different edition. Check the listing's region & edition before buying.

Driffle INC
Standard Edition · Steam
$1.14
Buy
Gameseal
Standard Edition · Steam
$0.95
Buy
Kinguin
Standard Edition · Steam
$1.02
Buy
Eneba
Standard Edition · Steam
$1.12
Buy
CJS CD Keys
CJS CD Keys
Standard Edition · Steam
$2.15
Buy

Some store links are affiliate links — playze may earn a commission at no extra cost to you. It never changes the price you pay, and the cheapest confirmed price is always shown in the Best price box above.

Heat Signature price by region

Heat Signature costs £0.70 in the United Kingdom, €0.81 in Europe (EUR), $0.95 in the United States, $0.95 in Georgia (USD), CA$3.39 in Canada, NZ$3.59 in New Zealand, A$4.30 in Australia, zł4.53 in Poland and R$5.59 in Brazil right now.

Cheapest Heat Signature offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £0.70 −80% £2.19 £0.70 5
Europe (EUR) €0.81 −80% €2.59 €0.81 6
United Statesyour region $0.95 −80% $2.99 $0.95 7
Georgia (USD) $0.95 −80% $1.99 $0.95 7
Canada CA$3.39 −80% CA$3.39 — 2
New Zealand NZ$3.59 −80% NZ$3.59 — 2
Australia A$4.30 −80% A$4.30 — 2
Poland zł4.53 −80% zł10.79 zł4.53 4
Brazil R$5.59 −80% R$5.59 R$6.61 3

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Trailers & screenshots

Watch the Heat Signature trailer →

About Heat Signature

✦ AI summary

Infiltrate spaceships across the galaxy, stealing loot and completing missions with pause-based tactical gameplay that lets you plan every move without time pressure. Emergent gadget interactions, procedurally generated scenarios, and character persistence create endless stories of daring heists and impossible escapes.

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!

Heat Signature — game info

Platforms
Windows
Steam Deck
Unsupported
Player modes
Single-player
Controller
Full controller support
PC Game Pass
Not included

DLC & expansions

🎁 Complete the collection

Base game + 1 of 1 DLC at today's best prices.

$3.94
to own everything

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

Heat Signature is praised by players as a uniquely stylish and creative immersive sim with excellent bite-sized missions that respect players' time, though some criticize its interface for being too small and difficult to read, along with inconsistent and confusing control schemes across different menus. Most players feel it's a hidden gem worth experiencing, particularly if you enjoy short gaming sessions with creative problem-solving.

Recommended Sep 28, 2026
Absolute masterclass in game design 10/10 I love you rat
1 found this helpful
Recommended Sep 26, 2026
An unsung hero of the wider Im-Sim sphere, there's still no other game quite like Heat Signature.
1 found this helpful
Recommended Sep 30, 2026
Excellent game
Not recommended Sep 28, 2026
interface is to small to see. control inputs trash, primary action input is different? with every menu? and at least 4 different menu inputs?
Recommended Sep 27, 2026
It's a great game when you want to sit down a play something only for a short amount of time. Most missions only take a few minutes, longer, depending on what you're doing and how you're going about it.
Recommended Sep 26, 2026
One of the best, most unique, most stylish, fun games I've ever played

Community reviews

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