Cosmic deckbuilder Moonsigil Atlas has been snapped up by publisher Twin Sails Interactive, and there’s a new demo available to mark the occasion. Posting in a Steam blog, developer Snake Tower Games said the publisher’s background in strategy and indie games makes them an excellent fit.
Releasing as part of Steam Turn‑Based Thursday Fest (March 9–16), the new demo gives players another chance to go hands-on with the game. This follows the game’s previous demo that released last October as part of Steam Next Fest.
Moonsigil Atlas is described as a deckbuilding roguelike with no energy or action points. Instead, players slot their cards into a physical space, arranging them Tetris-style, with no hard limit on how many cards can be played, as long as they fit within the available space.
Moonsigil Atlas is planned to release June 2026 on PC (Lin, Mac, Win).
You can check out the shiny new trailer for Moonsigil Atlas below:
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