The Project: Doors Demo lets you play the opening chapters as your squad explores a shifting maze of anomalies, puzzles, and deadly creatures. Meet strange characters tied to the Labyrinth and uncover the mystery behind the Doors-and see if you can escape.
| App ID | 4175870 |
|---|---|
| App type | Demo |
| Parent app | Project: Doors 4174160 |
| Developer | Teletower Studios |
| Publisher | Polden Publishing |
| Release date | 7 May 2026 |
| Release state | released |
| Controller support | full |
| Store page | store.steampowered.com/app/4175870 |
| Last store refresh | 2 hours ago |
Launch options
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | ProjectDoors.exe | -force-d3d11 | windows | DX11 Recomended |
| 1 | ProjectDoors.exe | -force-d3d12 | windows | DX12 Unstable |
Playing now
285
Updated 2 hours ago
24-hour peak
285
Highest recorded in the last 24 hours
All-time peak
285
12 September 2026 10:03 UTC
Hourly peaks, UTC. All-time peak covers SteamRaw's recorded history.
Regional prices
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
Price history, US store (USD)
| Date | Price | Regular | Discount |
|---|---|---|---|
| 12 September 2026 10:02 UTC | Free | Free |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
Branches
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 24186948 | 13 July 2026 16:51 UTC |
Depots
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 4175871 | 2.97 GB | 1.65 GB | 4127798768597696258 |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 24186948 | public | 13 July 2026 16:51 UTC | 2 hours ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since 12 September 2026 10:02 UTC.
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
No news for this app.
Full appinfo as delivered by Steam PICS, changenumber 37709386. Also at /api/app/4175870/raw.
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