Calyx has been in Early Access on Steam for 9 months, since Jan 29, 2026. The last update to Calyx was posted 8 days ago (Nov 6, 2026), one of 3 in the past 90 days. Updates to Calyx arrive about every 5 days over the past year. Calyx peaked at 114 players in the last 24 hours.
Update activity, past year
Fewer MoreA year ago16 updates in the past yearThis week
Is Calyx still being updated?
Yes. The last update to Calyx was posted 8 days ago, on Nov 6, 2026. Over the past year updates to Calyx have come about every 5 days.
- PatchCalyx v0.5.0.4 - Minor Update
- PatchCalyx v0.5.0.3 - minor update
- Major updateTake to the skies! Calyx v0.5: the Seraph Update is now available.
- PatchCalyx v0.2.0.4 – Leviathan Update, minor patch
- PatchCalyx v0.2.0.3 – Leviathan Update patch
- Major updateAssemble your fleet! Calyx v0.2: The Leviathan Update is now available
- PatchCalyx 0.1.0.4
- PatchCalyx v0.1.0.3
- UpdateCalyx v0.1.0.2 – Isotopes, Modules, Skirmish improvements and more
- PatchCalyx v0.0.6.6
12 earlier updates and other posts
- PatchCalyx v0.0.6.5 update
- PatchCalyx v0.0.6.5
- PatchCalyx v0.0.6.4 update
- PatchCalyx 0.0.6.4
- PatchCalyx 0.0.6.3
- Major updateStart the Calyx campaign before release – play the updated demo now!
- Patchv0.0.4.3 - minor fixes
- Major updateCalyx Demo v3 is now live!
- Major updateCalyx Demo v2 is now live!
- PatchCalyx Demo v0.0.2.3 | Skirmish
- PatchCalyx Demo v0.0.2.2
- PatchCalyx Demo v0.0.2.1
- NewsThe Seraph Update Playtest is here. Take to the skies and battle the Volitant!
- NewsPreparing for lift off. Calyx Development Update – October 2026
- NewsThere’s something in the air! Calyx development update – August 2026
- NewsTake to the seas and battle the Fathom – the Leviathan Update Playtest is live!
- NewsShips Ahoy! Calyx Development Update – April 2026
- AnnouncementCalyx is releasing into Early Access today!
- AnnouncementCalyx will release into Early Access on 29th January 2026
- NewsThe Calyx Campaign playtest is now open!
How long has Calyx been in early access?
Calyx entered Early Access on Steam on Jan 29, 2026 and has been in it for 9 months.
How many people are playing Calyx?
Calyx peaked at 114 players on Steam in the last 24 hours.
What is Calyx?
Steam users tag Calyx as RTS, Base Building, Strategy, Sci-fi and Management. Calyx is single-player only and priced at $24.99, and 87% of its 516 Steam reviews are positive.
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
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Steam tags: RTS, Base Building, Strategy, Sci-fi, Management, Tower Defense, Resource Management, Action RTS, Colony Sim, Outbreak Sim.
| Status | Active |
|---|---|
| Early access since | Jan 29, 2026 |
| Last update | Nov 6, 2026 |
| Typical gap | 5 days between updates |
| Playing now | 94 (Nov 14, 23:49 UTC) |
| 7-day peak | 114 |
| Steam reviews | 87% positive of 516 |
| Price | $24.99 |
| Play | Single-player |
| Steam Deck | Playable |
| Platforms | Windows |
| Developer | Studio 568 |
| Publisher | Studio 568 |
| Demo | Available on Steam |
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