Publisher Twin Sails Interactive has officially signed Moonsigil Atlas, a new cosmic deckbuilding roguelike from developer Snake Tower Games. The game blends traditional deckbuilding strategy with a clever tile-placement twist, and it’s set to launch on Steam in June 2026. Players can try it now through a free demo available during Steam Turn-Based Thursday Fest, which runs from March 9 through March 16. At first glance, Moonsigil Atlas might look familiar to fans of the genre, but it quickly reveals a unique mechanic that sets it apart. Instead of managing energy or mana, players are limited by space. Each turn…