Merge buildings, upgrade your defenses, and protect your fortress from endless waves of zombies. Plan each move carefully, adapt your strategy, and survive as long as you can.
| App ID | 4636030 |
|---|---|
| App type | Game |
| Developer | TapNation, Tartatin |
| Publisher | QubicGames |
| Release date | 4 September 2026 |
| Release state | released |
| Controller support | full |
| Free app | Yes |
| DLC list (appinfo) | 4943640 |
| Store page | store.steampowered.com/app/4636030 |
| Last store refresh | 5 hours ago |
Launch options
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | Fortress Merge.exe | Launch |
Playing now
11
Updated 13 minutes ago
24-hour peak
13
Highest recorded in the last 24 hours
All-time peak
13
12 September 2026 07:42 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 07:09 UTC | Free | Free |
| DLC | AppID | Release | Price |
|---|---|---|---|
| Fortress Marge: Claire Pack | 4943640 | 4 Sept | $7.99 |
Branches
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 24332166 | 22 July 2026 10:36 UTC |
Depots
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 4636031 | 1.13 GB | 192.24 MB | 1962101778377217150 |
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 |
|---|---|---|---|
| 24332166 | public | 22 July 2026 10:36 UTC | 7 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 at least 12 September 2026 05:27 UTC (estimated from the earliest recorded change; the exact first fetch was not stored).
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 38723758. Also at /api/app/4636030/raw.
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