Airport building and light business tycoon game. Build up an airport providing cargo, maintenance, and passenger service. Choose which upgrades to invest in, manage policies, organize finances, optimize layouts, and balance carbon emissions.

Public builds
—No reading yet
Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 26261084
Update posts
10 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 26261084 | None posted | |
| 25969744 | None posted |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 31 Aug 2026 | Update Notes for 1 Sep 2026 Patch notes |
| 1 Aug 2026 | Update Notes for 1 Aug 2026 Patch notes |
| 18 Jul 2026 | Update Notes for 18 Jul 2026 Patch notes |
| 13 Jul 2026 | Update Notes for 13 Jul 2026 Patch notes |
| 5 Jul 2026 | Update Notes for 5 July 2026 Patch notes |
| App | Players now | Latest build |
|---|---|---|
| Terminal One Playtest · App 3232180 | Not yet | 19297022 · |
Separate Steam apps for test, staging and playtest versions of Terminal One. They have no store page, so they aren’t counted as games or releases. Builds come from Steam’s client network, players from the Steam Web API every few hours. Steam gives no count for an app nobody can launch. How we count
| 30 Jun 2026 |
| Update Notes for 1 Jul 2026 Patch notes |
| 17 Jun 2026 | Update Notes for 17 Jun 2026 Patch notes |
| 5 Jun 2026 | Update Notes for 6 Jun 2026 Patch notes |
| 23 May 2026 | Update Notes for 23 May 2026 Patch notes |
| 18 Mar 2026 | Update Notes for 18 Mar 2026 Patch notes |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count