# Heat Signature: Edition Upgrade

Summer DB entity ID: 6058bb13\-9447\-48dd\-9e4e\-ebca5fa45994

Steam App ID: 710350

This pack contains all the extras you get with the Supporter's Edition of Heat Signature, so you can buy it to upgrade to that edition\.   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\. \(19 tracks, 83 minutes\)   On launching Heat Signature, you'll have a new option to open the folder containing all these extras\.  Please note: the early prototypes are by definition unfinished versions of the game, so they have bugs\. Soundtrack 1\. Intro \(John Halpart\)  2\. Quantum Immortality \(John Halpart\) 3\. Trespasser \(John Halpart\) 4\. Dawntempo \(John Halpart\) 5\. Foundry Remix \(John Halpart\) 6\. Grav9000 \(John Halpart\) 7\. 2 Class \(John Halpart\) 8\. The Other Side \(John Halpart\) 9\. Distance \(John Halpart\) 10\. Space Sonata \(John Halpart\) 11\. Out of Shape part1 \(John Halpart\) 12\. Full Cycle \(John Halpart\) 13\. Places \(John Halpart\) 14\. Out of Shape part2 \(John Halpart\) 15\. Neutral Two \(John Halpart\) 16\. Reflected \(John Halpart\) 17\. Kaleidoscope \(John Halpart\) 18\. Graviton \(Christopher James Harvey\) 19\. Space Awe \(Christopher James Harvey\)

## Game information

- Type: dlc

- Developer: Suspicious Developments

- Publisher: Suspicious Developments

- Release date: Sep 21, 2017

- Coming soon: false

- Free to play: false

- Parent Steam app: 268130

- Genres: Action, Adventure, Indie, Simulation

- Categories: Single\-player, Downloadable Content, Commentary available, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_cf1f86dc862b439257ee48e549670b67c7f087ec\.1920x1080\.jpg?t=1506013249, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_3acdb58a7553cf132f1022a4f4a782d6f04c71a8\.1920x1080\.jpg?t=1506013249, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_f843cdcf71fa35b22a3198cdc0f5b87e9643c197\.1920x1080\.jpg?t=1506013249, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_05570da5e5b5fa7fcf9e17d4e34484711e95edf2\.1920x1080\.jpg?t=1506013249, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_c236197a5e0d2794e0716fd9811c3fe6ec68cdab\.1920x1080\.jpg?t=1506013249, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/710350/ss\_278992d5179216b34be4c2a20c82c3597d21d8c3\.1920x1080\.jpg?t=1506013249

- Price: 1499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 5

- Steam positive reviews: 5

- Steam negative reviews: 0

- Steam positive percentage: 100%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/6058bb13-9447-48dd-9e4e-ebca5fa45994/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/6058bb13-9447-48dd-9e4e-ebca5fa45994/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-23T03:09:31\.7785\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-23T03:09:32\.754449\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/710350/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/710350/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/710350"\},"price":"2026\-09\-23T03:09:31\.7785\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T03:09:31\.7785\+00:00","players":null,"reviews":"2026\-09\-23T03:09:32\.754449\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"72d25d48\-22d5\-4e8e\-90ca\-c3e67cc9b6da","catalog":"34a5dfa0\-712b\-4a37\-b4a8\-5a2ed0b135d2","details":"506a00cf\-7108\-4e9b\-ae4b\-03a59a81fd0a","players":null,"reviews":"44353b9f\-185e\-4010\-a2a2\-3dcfd396275a"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"6058bb13\-9447\-48dd\-9e4e\-ebca5fa45994","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/710350/) · [JSON](/api/v1/games/6058bb13-9447-48dd-9e4e-ebca5fa45994)