Place cards into a 3×3 grid and unleash chain reactions driven by position and synergy. A roguelike deckbuilder where every placement matters—optimize your layout, build powerful combos, and create explosive, constellation-like scoring plays.
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Match strength key:80+65+50+<50Astronine
SteamAbout Astronine

Chart your destiny among the stars—
Place cards onto a 3×3 cosmic grid and harness spatial positioning and card synergy to trigger massive chain reactions. Astronine is a roguelike deckbuilder that fuses spatial puzzle-solving with familiar poker mechanics. In this calculated interstellar journey, every placement matters. Optimize your layout, refine your build, and create explosive, supernova-like scoring miracles!


Ditch the convoluted rulebooks—your common sense is your greatest weapon! Within the tight 3×3 grid, connect cards horizontally, vertically, or diagonally to form classic poker hands (Flush, Straight, Three of a Kind) and trigger cosmic resonance. Exact numerical order doesn't matter; your only focus is finding the optimal global layout.


Basic number cards are just the beginning. The universe hides reality-bending cosmic forces waiting to be collected:


Navigate randomly generated star maps where every run offers a completely new challenge:

Enjoy a pure, unhurried battle of wits. Featuring a clean, minimalist UI paired with a dreamy, synth-driven stardust soundtrack. There are no timers pushing you to make a move—just the quiet sound of placing your cards in a solitary match against the universe.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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