Moonsigil Atlas - A deckbuilding roguelike with no energy

Experiment, create your own builds & combos and defeat the titans!

Image No energy. No Mana. Just Space.

No energy. No Mana. Just Space.

Experience a roguelite deckbuilder without energy or action points: there's no limit to how many cards you can play! Every card is a sigil you place on a grid, each with its unique shape, keywords, and effects.
Image Deckbuilding meets tile placement

Deckbuilding meets tile placement

Create powerful synergies through rune positioning, adjacency, overlap, and persistent effects. Place the right sigil at the right time to trigger devastating combos.
Image Reshape your deck

Reshape your deck

A fully modular, player-driven upgrade system. Every card can be modified as you see fit: reshape them, inscribe runes, add keywords, and more. With tens of thousands of possible combinations, even the simplest cards can become build-defining centerpieces.
Image Thousands of ways to break the game

Thousands of ways to break the game

With 250+ cards, alternate starting decks, unlockables, forbidden cards, 3 characters with radically different playstyles and a fully randomized map, every run offers new, game-breaking possibilities.
Image Face cosmic divinities

Face cosmic divinities

Battle dozens of astral entities and three Titans that reshape the board itself. Hostile zones, shifting grids, and unique win conditions turn every encounter into a test of adaptation and mastery.
Release date:
28 May, 2026
Developer:
Snake Tower Games
Publisher:
Twin Sails Interactive
Genre:
Deckbuilder, Roguelike, Turn-based
Platforms:
Steam
The deckbuilding roguelike with no energy – play cards using physical space! Slot cards together, manipulate the shape of your cards, and create overpowered combos to break the game!

Get it now on Steam!