Released May 28, 2026 $17.99 Very Positive Counts toward your Steam games

Moonsigil Atlas

By Snake Tower Games · published by Twin Sails Interactive

Roguelike Deckbuilder Strategy Replay Value Choices Matter Building Card Battler Procedural Generation Deckbuilding Turn-Based CombatInventory ManagementTurn-Based StrategyRoguelike

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Reviews 279 Very Positive

Players now 6 Peak today 6

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Moonsigil Atlas is a game tagged Roguelike Deckbuilder, Strategy and Replay Value by Snake Tower Games, released May 28, 2026. It has 279 Steam reviews (Very Positive). The Steam games most like it include RogueJack21, Heart sequence and Dead Hand.

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!

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<a href="https://launchrivals.com/games/3284290-moonsigil-atlas"><img src="https://launchrivals.com/games/3284290/badge.png" alt="Moonsigil Atlas launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/3284290-moonsigil-atlas"><img src="https://launchrivals.com/games/3284290/badge.png?theme=light" alt="Moonsigil Atlas launch date" width="320" height="84"></a>

RogueJack21 86% match · Roguelike Deckbuilder, Strategy, Replay Value
Heart sequence 84% match · Roguelike Deckbuilder, Strategy, Replay Value
Dead Hand 82% match · Roguelike Deckbuilder, Strategy, Replay Value
Pattern Ring 82% match · Roguelike Deckbuilder, Strategy, Replay Value
Siegehand 81% match · Roguelike Deckbuilder, Strategy, Replay Value
Beasts & Rogues 81% match · Roguelike Deckbuilder, Strategy, Replay Value
Bearly Brave 80% match · Roguelike Deckbuilder, Strategy, Replay Value
Perfect Teams 80% match · Roguelike Deckbuilder, Strategy, Choices Matter
Castle Morihisa 80% match · Roguelike Deckbuilder, Strategy, Replay Value
蓬莱之旅 80% match · Roguelike Deckbuilder, Strategy, Replay Value

Steam data

Everything Steam lists for Moonsigil Atlas · record updated 1 day ago

Steam store

Overview

App ID3284290

Release dateMay 28, 2026

Last change number40189838

Last record update1 day ago

App type: Game
Developer: Snake Tower Games
Publisher: Twin Sails Interactive
Steam profile: Counts toward game count and achievement totals · checked 1 day ago
Technologies: Unity detected
Website: moonsigil.com

Windows Linux 64-bit

Steam Deck: Verified
Controller: Full support

Single-playerSteam CloudSteam AchievementsFull controller supportPlayStation controllersXbox controllersPlayStation controller BluetoothFamily Sharing

Prices

Price · US$19.99

On sale0 of 41regions right now

Lowest seen · US$19.99Oct 23, 2026

Checked14 hours agoin 41 regions

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Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
24457943	public	Jul 29, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
3284291	—	Windows	589.6 MB	437.5 MB	8523650244470286567
3284292	—	Linux	732.7 MB	497.9 MB	1839891789763280188

Branch	Build	Updated	Access
public	24457943	Jul 29, 2026	Open

Configuration

Install foldersteamapps/common/Moonsigil Atlas

Executable	Arguments	Systems	Description
Moonsigil Atlas.exe		Windows · 64-bit
Moonsigil Atlas.x86_64		Linux · 64-bit

Space per player1.86 GB

Filesup to 7,000

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocalLow	SnakeTower/Moonsigil Atlas/{64BitSteamID}	*.sigil	All

Achievements

Achievements3110 hidden

Most unlocked81.4%The Restless Stars

Rarest0.4%Favoritism

The Restless Stars Lose a run. 81.4%
Astral Gem Acquire an Astral Gem. 79.3%
The Dunes Hidden achievement 78.6%
Mooncaller Titan Defeated the Mooncaller Titan 75.7%
Dreadcoil Titan Defeated the Dreadcoil Titan 53.8%
Stargorger Titan Defeated the Stargorger Titan 43.3%
Lethal Deal more than 250 damage in a single turn. 37.1%
Infinity Draw 20 cards in a single turn. 29.2%
Eclipse Start a run in Eclipse Mode. 15.8%
Unshackled Hidden achievement 14.8%
Close Call Defeat a boss combat with one health remaining. 11.8%
Feldryn Mastery Unlock every Feldryn Mastery Level. 10.7%
The Lost Chronicler Hidden achievement 10%
Visions of Fire Hidden achievement 8.9%
Shooting Star Beat the game in under 45 minutes. 8.7%
The Stars Ablaze Hidden achievement 8.2%
The Shard Keeper Hidden achievement 7.8%
Aladara Mastery Unlock every Aladara Mastery Level. 7.2%

All 31 achievements

Tark'thul Mastery Unlock every Tark'Thul Mastery Level. 6.7%
Stubborn Hidden achievement 4.8%
Several Handfuls Play 30 Gravel in one encounter. 4.3%
True Death Kill an enemy at full health with Death. 3%
Greater Omen Have 100 stacks of Omen on an enemy. 2.2%
A God, Toppled Hidden achievement 1.4%
Why did you do that? Hidden achievement 0.8%
Old Gods' Wrath Kill an enemy by playing Old Gods' Scorn. 0.7%
Cornucopia Have a card from each character, a Forbidden card, and a Bane card in your hand at the same time. 0.7%
Blade Collector Encounter every type of Moon Blade. 0.7%
Probably enough... Hidden achievement 0.6%
Total Eclipse Complete the game on Eclipse Level 8 with all characters. 0.4%
Favoritism Completely fill 6 upgrade slots on one card. 0.4%