Alien Horizon (Preview Alpha)

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A sci-fi survival city builder set on an inhospitable alien planet. Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected....

Developer: Purple Nebula
Released: 30 Jan 2024
Price: Free to play
Platforms
Steam Deck: Unsupported
Languages: English

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 23 Oct, 12:33 UTC

How this is measured

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.

News checked every 7 days. Observed since 23 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

Rewrite Devlog #20
2 Oct 2026 · Community Announcements
Rewrite Devlog #19
4 Sept 2026 · Community Announcements
Playtest invitation
7 Aug 2026 · Community Announcements
Rewrite Devlog #18 and Playtest Date
31 Jul 2026 · Community Announcements
Rewrite Devlog #17 and Playtest Announcement
26 Jun 2026 · Community Announcements
Rewrite Devlog #16
29 May 2026 · Community Announcements
Rewrite Devlog #15
24 Apr 2026 · Community Announcements
Rewrite Devlog #14
27 Mar 2026 · Community Announcements
Rewrite Devlog #13
20 Feb 2026 · Community Announcements
Rewrite Devlog #12
19 Dec 2025 · Community Announcements

From the game’s Steam news feed, last checked 23 Oct, 12:33 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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