Their Sky is an idle deck-builder. Select cards and strategies as you build decks that can win on their own. Rather than managing moves, Their Sky all in on deck building: turn your favorite cards into self-running engines.

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This game is not yet available on Steam

Planned Release Date: March 2026

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About This Game

Their Sky is an idler and a deck-builder. Instead of managing moves, players construct decks and automation rules to build decks that win on their own. While the decks automatically battle online, they will complete missions and challenges, earning card packs and rare card rewards. And with a growing collection of cards, players can build meta-defining decks, earning them a spot on the leaderboard.

Features:
- 300 powerful cards
- Playback of all automated matches
- Full automation rules to automate any strategy
- Leaderboard with rewards
- Missions that reward card packs
- Challenges that reward rare cards
- Full card analytics

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

The entire game is coded by hand without any AI.

Midjourney is used for card art. The game is a solo side-project, and this was to one thing I could not do myself.

System Requirements

    Minimum:
    • OS: Windows 10 and up
    • Processor: SSE3 capable processor
    • Memory: 512 MB RAM
    • Storage: 114 MB available space
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