The Calyx Campaign playtest is now open!

Jump in now for a first look!

We're excited to invite you to play the first section of the upcoming Calyx Early Access campaign. This playtest, and the survey is in English only. The build will be available to play until 18:00 UK on Monday 12th January.

If you've already requested access

You should see "Calyx Playtest" in your Steam library.

If you still want to request access

Visit the Calyx Steam Page, scroll down and hit the “Request Access” button. You should then see Calyx Playtest in your Steam library.

What's in this playtest?

• A section of the Calyx campaign, playable for the first time.

• 5 difficulty levels.

• The new Tech Tree – with unit, building and mechanical upgrades.

If you’ve played the pre-release demo, you’ll encounter lots of other updates, including a new volcanic biome, improved VFX, more dramatic lighting and the ability to export your end of map summary as a GIF.

Please fill out the survey

It would be super helpful if you could fill out the playtest survey to let us know your feedback. There's a link to the survey on the Main Menu of the playtest version of the game.

Thanks for your support!

We can’t wait to hear what you think of this first look at the campaign. Thanks! John, Mark & Phil ːsteamhappyː