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With a demo that absolutely captured me, deck-builder Moonsigil Atlas arrives May 28th and this is one you're not going to want to miss. There's no energy system, no mana to run out of - just space. It's all about throwing some shapes. Not in the dancing kind, actual shapes.

You cast as many cards as you like, as long as they fit the board in the middle. What makes it interesting on top of that is that positioning can matter a lot. Each card has its own shape too, along with the ability to upgrade and adjust cards for their shapes and powers. Much like the shapes themselves, the gameplay fits together rather nicely.

There's hundreds of cards and three unique characters to play through. Check out the most recent trailer below:

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Game Highlights:

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.

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.

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.

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.

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…

A refreshed demo is also now live - a great time to try before you buy.

Release Date: 28th May 2026
Platform: 🐧 Native Linux
Official links:Steam
Article taken from GamingOnLinux.com.
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1 comment

scaine 3 hours ago
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2026 is turning into the year of the deck builders, let alone Linux desktop. I'm really, really looking forward to this one. And after that earlier Rogue Voltage article, I ended up spending another 10 hours playing that too! And then there's Slay the Spire 2. Love it.

But this one is an insta-buy. At least I don't have long to wait now.
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