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Moonsigil Atlas

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!

Released May 28, 2026Very Positive · 82% of 265
Steam Deck VerifiedStrategyRoguelike DeckbuilderReplay ValueChoices MatterBuildingCard Battler
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Moonsigil Atlas
Developer: Snake Tower Games
Publisher: Twin Sails Interactive
Moonsigil Atlas
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About Moonsigil Atlas

Moonsigil Atlas

Experience a roguelite deckbuilder without energy or action points: there's no limit to how many cards you can play, as long as they fit! Every card is a sigil you place on a grid, each with its unique shape, keywords, and effects - turning each combat into a tactical optimization challenge.

Moonsigil Atlas

Create powerful synergies through rune positioning, adjacency, overlap, and persistent effects. Place the right sigil at the right time to trigger devastating combos. Beyond spatial strategy, Moonsigil Atlas is about creative deckbuilding: draw infinite cards to deal infinite damage or make ten copies of your strongest card.

Moonsigil Atlas

A fully modular, player-driven upgrade system. Every card can be modified as you see fit: reshape them, inscribe runes, add keywords, and more. Spread power across your deck or invest everything into a handful of unstoppable cards. With tens of thousands of possible combinations, even the simplest cards can become build-defining centerpieces.

Moonsigil Atlas

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.

Moonsigil Atlas

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. A powerful deck is only half the battle…

Game details

Developers
Snake Tower Games
Publishers
Twin Sails Interactive
Release date
May 28, 2026
Genres
Strategy, Roguelike Deckbuilder, Replay Value, Choices Matter, Building, Card Battler, Procedural Generation, Deckbuilding, Turn-Based Combat, Inventory Management, Turn-Based Strategy, Roguelike, Dark Fantasy, Turn-Based, 2D, Roguelite, Card Game, Tactical, Difficult, Singleplayer

Languages

LanguageInterfaceFull audioSubtitles
EnglishSupportedNot supportedNot supported
RussianSupportedNot supportedNot supported
JapaneseSupportedNot supportedNot supported
KoreanSupportedNot supportedNot supported
Simplified ChineseSupportedNot supportedNot supported
FrenchSupportedNot supportedNot supported
GermanSupportedNot supportedNot supported
Spanish (Spain)SupportedNot supportedNot supported

Ratings

Steam reviews

Very Positive

82% of 265

Read reviews on Steam

Steam Deck & Linux

Steam Deck Verified

  • SteamOS: Playable
  • Steam Machine: Verified

Native Linux version

Comments

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Released - Start playing today!
Release date: May 28, 2026

Game data © Valve Corporation, from Steam