29 July 2026 15:09 UTC · Community Announcements · snaketowergames
Hello Sigilwrights! We've just launched an update featuring new starting decks and the new Accumulate mechanic, as well as a few bugfixes and quality-of-life changes!New Starting Decks and "Accumulate"Each character now has a new starting deck unlocking at Mastery Level 7 that features the new Accumulate mechanic. Accumulate adds a special card called Singularity to your hand (if you don't already have one), then infuses Singularity with keywords or runes, letting you stack up several bonuses onto one card. You can use these bonuses as you get them, or build up a huge attack and unleash it all
4 June 2026 18:12 UTC · Community Announcements · snaketowergames
Hello Sigilwrights!We've just pushed a small balance and bugfix update that includes an adjustment to the Act 3 boss, as well as fixes to a few rare bugs. Here is a list of everything that changed:ChangesThe Stargorger Titan is less punishing for decks that play lots of Gravel, Seeks, or Star Fragments. We're still keeping an eye on our gameplay stats and feedback to see if more significant changes are needed!Aladara's starting health increased slightly from 53 to 58BugfixesFixed a softlock that could occur when playing Convergence on an empty boardFixed a rare crash that could occur if the pl
2 June 2026 22:09 UTC · Community Announcements · snaketowergames
Attention Sigilwrights,Thank you for supporting us through the Moonsigil Atlas launch! Over the weekend we have reached over 100 Steam reviews with a Very Positive rating, and we were featured on the New & Trending list for several days.That said, we've also heard your feedback, and we're not done!Act 3 Boss ChangesWe've heard from several players that the Act 3 boss is too punishing for decks that rely on Gravel, Star Fragments, or other cards generated mid-combat. While it was intended that this boss is challenging for combo-oriented decks that breeze through ordinary combats, it's clear the
1 June 2026 10:19 UTC · GamingOnLinux
Moonsigil Atlas has officially released, a deckbuilder that's really like nothing else. Read the full article here: https://www.gamingonlinux.com/2026/06/moonsigil-atlas-is-a-genuine-delight-that-makes-you-rethink-deckbuilders/
28 May 2026 13:17 UTC · Community Announcements · snaketowergames
Attention Sigilwrights, Moonsigil Atlas is available now!Don’t forget that there’s a 10% launch discount for anyone who buys the game shortly after launch. And even though the free demo has been retired, you can still transfer your demo progress to the new game.And remember to leave a Steam review after you’ve had a chance to play! This helps unlock more visiblity on the Steam storefront and let us reach more players.So what can you expect to encounter in Moonsigil Atlas?Sigils and ShapesThere are no mana, energy, or action costs in Moonsigil Atlas, only shapes. Carefully place your sigils to
22 May 2026 00:22 UTC · Community Announcements · snaketowergames
Attention, Sigilwrights! With Moonsigil Atlas releasing on May 28th, we have included some additional details about the game launch so you know what to expect.Launch DetailsTime and Date: May 28 at 10am EDTPricing: 20 USD / 20 Euros (with additional regional pricing)Launch Discount: 10%What happens to the demo?Thank you so much to everyone who has played the demo and enabled gameplay telemetry! Your feedback & gameplay data have been incredibly valuable in helping us balance the game and track down rare bugs and crashes.As we get ready for the full release, the demo will be retired, so be sure
15 May 2026 21:37 UTC · Community Announcements · snaketowergames
Release is approaching, but we're still sneaking in some QOL improvementsWe're getting close to our May 28th release, but we're still hard at work further improving platform support and squeezing in a few more quality-of-life features!Official Steam Deck SupportAfter testing from Valve, Moonsigil is now Verified on Steam Deck. This means Steam Deck players will see input glyphs for in-game actions, be able to freely switch between gamepad and touchpad input, and the game has great performance on Steam Deck.We also added a "Large Text Mode" option that improves text legibility on handheld devic
5 May 2026 09:02 UTC · GamingOnLinux
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. Read the full article here: https://www.gamingonlinux.com/2026/05/unique-deck-builder-moonsigil-atlas-arrives-may-28-no-energy-no-mana-just-space/
30 April 2026 13:36 UTC · Community Announcements · Julien-TSI
Big News Today: Moonsigil Atlas launches on May 28th 2026!After three years of development, countless builds, and endless R&D iterations to get every detail right, we finally have it: our release date.We promised a June release, but you know what they say: “A wizard is never late, nor is he early, he arrives precisely when he means to.” So, we decided to release the game earlier!To celebrate, the new demo update is live! Check out the improvements before the 1.0 release. Learn more about what Moonsigil Atlas has in store in our official Release Date Trailer 🔴 🎮 Demo UpdateWe’re also taking
9 March 2026 17:12 UTC · Community Announcements · Julien-TSI
We’re excited to share a major milestone for Moonsigil: the game is officially launching in June 2026!🎉 We’re also proud to be part of Turn-Based Thursday Fest, hosted by the Turn Based Lovers YouTube channel at 6 PM CET.🎬 Check out the showcase here: The game will also be featured in the Turn-Based Thursday Steam event, giving more players the chance to discover it during the event. It’s a great opportunity to introduce Moonsigil to fans of turn-based games and share everything we’ve been working on with a wider audience.New Trailer & Steam Page Update!This is a huge moment for Moonsigil, a
31 January 2026 20:09 UTC · Community Announcements · snaketowergames
Hello Sigilwrights,Moonsigil Atlas has been featured in the Tiny Roguelikes festival, running now through February 14th! If you haven't had a chance to check out our demo yet, now is a great time.If you'd like to follow along with development, discuss strategy with other players, or chat with the devs, consider joining our Discord server: discord.gg/jrsaB4EStvThanks,Daniel and JeremySnake Tower Games
13 October 2025 16:54 UTC · Community Announcements · snaketowergames
The October 2025 edition of Steam Next Fest just started, with over 2000 upcoming games participating with playable demos! Check out Moonsigil Atlas's updated demo this week and play with some of the new features:Artifacts that give permanent bonusesForbidden Cards that are rare, powerful, and can be acquired by any characterNew Encounters including shape swapping and card duplicationAct 2 including many new enemies and a new boss fightLocalization to Simplified Chinese, Japanese, Korean, and RussianEven more! Including dozens of visual improvements, quality of life updates, and bugfixes.If yo
13 October 2025 16:34 UTC · GamingOnLinux
Moonsigil Atlas is by far one of the most interesting and promising upcoming games I've played in a while, taking deck-building roguelikes in a fun direction. Read the full article here: https://www.gamingonlinux.com/2025/10/one-of-the-most-promising-deck-building-roguelikes-ever-moonsigil-atlas-gets-a-big-demo-upgrade/
2 October 2025 23:51 UTC · Community Announcements · snaketowergames
We have just made a major update to the Moonsigil Atlas demo! Here are some of the new things you can encounter in-game:Preliminary Localization to Simplified Chinese, Japanese, Korean, and Russian. There may still be issues as we work with our localization team, and we'd love to hear feedback from you!Artifacts that give powerful, permanent bonusesForbidden Cards that are rare, powerful, and can be acquired by any characterNew Encounters including shape swapping and card duplicationAct 2 including many new enemies and a new boss fightEven more! Including dozens of visual improvements, quality
11 August 2025 11:43 UTC · GamingOnLinux
Moonsigil Atlas is easily one of the most unique deck-builders around, and the latest major update to the demo has me hooked. You have to try it. Read the full article here: https://www.gamingonlinux.com/2025/08/you-absolutely-have-to-try-the-expanded-demo-of-moonsigil-atlas/
Full appinfo as delivered by Steam PICS, changenumber 38808269. Also at /api/app/3284290/raw.
{
"appid": "3284290",
"common": {
"name": "Moonsigil Atlas",
"type": "Game",
"oslist": "windows,linux",
"osarch": "64",
"osextended": "",
"icon": "fa06247a3aa8e287f5a43c3abab63bed36e2d76a",
"clienticon": "1a13961a5503ae7a17436433ccd42303d354ac79",
"clienttga": "8aef508685a74e0c17f9f706c67d8d559a45cfb5",
"releasestate": "released",
"name_localized": {
"schinese": "月之魔印 Moonsigil Atlas",
"japanese": "Moonsigil Atlas 月の印章",
"koreana": "Moonsigil Atlas 달의 인장"
},
"languages": {
"english": "1",
"german": "1",
"french": "1",
"koreana": "1",
"spanish": "1",
"schinese": "1",
"tchinese": "1",
"russian": "1",
"japanese": "1",
"polish": "1",
"brazilian": "1",
"latam": "1"
},
"steam_deck_compatibility": {
"category": "3",
"steamos_compatibility": "2",
"steam_machine_compatibility": "3",
"test_timestamp": "1778803200",
"tested_build_id": "23222549",
"tests": {
"0": {
"display": "4",
"token": "#SteamDeckVerified_TestResult_DefaultControllerConfigFullyFunctional"
},
"1": {
"display": "4",
"token": "#SteamDeckVerified_TestResult_ControllerGlyphsMatchDeckDevice"
},
"2": {
"display": "4",
"token": "#SteamDeckVerified_TestResult_InterfaceTextIsLegible"
},
"3": {
"display": "4",
"token": "#SteamDeckVerified_TestResult_DefaultConfigurationIsPerformant"
}
},
"steam_machine_tests": {
"0": {
"display": "4",
"token": "#SteamMachine_TestResult_DefaultControllerConfigFullyFunctional"
},
"1": {
"display": "4",
"token": "#SteamMachine_TestResult_ControllerGlyphsMatchDevice"
},
"2": {
"display": "4",
"token": "#SteamMachine_TestResult_DefaultConfigurationIsPerformant"
}
},
"steamos_tests": {
"0": {
"display": "3",
"token": "#SteamOS_TestResult_GameStartupFunctional"
}
},
"configuration": {
"supported_input": "gamepad",
"requires_manual_keyboard_invoke": "0",
"requires_non_controller_launcher_nav": "0",
"primary_player_is_controller_slot_0": "0",
"non_deck_display_glyphs": "0",
"small_text": "0",
"requires_internet_for_setup": "0",
"requires_internet_for_singleplayer": "0",
"recommended_runtime": "native",
"requires_h264": "0",
"requires_voice_files": "0",
"gamescope_frame_limiter_not_supported": "0",
"hdr_support": "0",
"requires_proton_soundfonts": "0"
}
},
"controllertagwizard": "1",
"controller_support": "full",
"small_capsule": {
"english": "7529e3bf22e517c45dab9d4354915b15ca96362a/capsule_231x87.jpg",
"schinese": "a8006f7ca05f49c38ae2785a39ee82f32d182398/capsule_231x87_schinese.jpg",
"japanese": "89758286216c5847dba2a75e415c1c4f3ca4b277/capsule_231x87_japanese.jpg",
"koreana": "7173ed4b0b2cd17aa4ea206f79b7f77279572263/capsule_231x87_koreana.jpg"
},
"header_image": {
"english": "f8a9bdaf2c624b6a66ab3357c1c46953a58e5943/header.jpg",
"schinese": "eed5029e0d5fbaddefde87f8d23644ed0fe6f156/header_schinese.jpg",
"japanese": "615e433063b3c6b510d38d7f3d264cea24679579/header_japanese.jpg",
"koreana": "5311787a2e0150d51a5847c6c9a8c2c823a030bc/header_koreana.jpg"
},
"library_assets": {
"library_capsule": "en,zh-cn,ja,ko",
"library_hero": "en",
"library_hero_blur": "en",
"library_logo": "en,zh-cn,ja,ko",
"library_header": "en,zh-cn,ja,ko",
"logo_position": {
"pinned_position": "CenterCenter",
"width_pct": "48.104080512012786",
"height_pct": "74.78943617848432"
}
},
"library_assets_full": {
"library_capsule": {
"image": {
"english": "71af9618799544d8849ff20e3ff2bc6737ad46ac/library_capsule.jpg",
"schinese": "3eda7a5e6176da444902c1a9141ed3bbe25264ad/library_capsule_schinese.jpg",
"japanese": "925a78177bfe070a246c0c275e98bad776def732/library_capsule_japanese.jpg",
"koreana": "a512b434e18d505bf0f1d2e35c7a910c0969c387/library_capsule_koreana.jpg"
},
"image2x": {
"english": "71af9618799544d8849ff20e3ff2bc6737ad46ac/library_capsule_2x.jpg",
"schinese": "3eda7a5e6176da444902c1a9141ed3bbe25264ad/library_capsule_schinese_2x.jpg",
"japanese": "925a78177bfe070a246c0c275e98bad776def732/library_capsule_japanese_2x.jpg",
"koreana": "a512b434e18d505bf0f1d2e35c7a910c0969c387/library_capsule_koreana_2x.jpg"
}
},
"library_hero": {
"image2x": {
"english": "febd150a6c6aded5e34761a6499454545f24900f/library_hero_2x.jpg"
},
"image": {
"english": "febd150a6c6aded5e34761a6499454545f24900f/library_hero.jpg"
}
},
"library_hero_blur": {
"image": {
"english": "febd150a6c6aded5e34761a6499454545f24900f/library_hero_blur.jpg"
}
},
"library_logo": {
"image": {
"english": "c4641062899533fef84078d2aed5677833196404/logo.png",
"schinese": "156a19b48b41366fdaab0b9cc9c75b506f97b97f/logo_schinese.png",
"japanese": "388f69fd1f17a29ad83b6a38f529e755c536958b/logo_japanese.png",
"koreana": "be48081812199ae753f7067c83277851d50f43a4/logo_koreana.png"
},
"image2x": {
"english": "c4641062899533fef84078d2aed5677833196404/logo_2x.png",
"schinese": "156a19b48b41366fdaab0b9cc9c75b506f97b97f/logo_schinese_2x.png",
"japanese": "388f69fd1f17a29ad83b6a38f529e755c536958b/logo_japanese_2x.png",
"koreana": "be48081812199ae753f7067c83277851d50f43a4/logo_koreana_2x.png"
},
"logo_position": {
"pinned_position": "CenterCenter",
"width_pct": "48.104080512012786",
"height_pct": "74.78943617848432"
}
},
"library_header": {
"image": {
"english": "f8a9bdaf2c624b6a66ab3357c1c46953a58e5943/library_header.jpg",
"schinese": "eed5029e0d5fbaddefde87f8d23644ed0fe6f156/library_header_schinese.jpg",
"japanese": "615e433063b3c6b510d38d7f3d264cea24679579/library_header_japanese.jpg",
"koreana": "5311787a2e0150d51a5847c6c9a8c2c823a030bc/library_header_koreana.jpg"
},
"image2x": {
"english": "f8a9bdaf2c624b6a66ab3357c1c46953a58e5943/library_header_2x.jpg",
"schinese": "eed5029e0d5fbaddefde87f8d23644ed0fe6f156/library_header_schinese_2x.jpg",
"japanese": "615e433063b3c6b510d38d7f3d264cea24679579/library_header_japanese_2x.jpg",
"koreana": "5311787a2e0150d51a5847c6c9a8c2c823a030bc/library_header_koreana_2x.jpg"
}
}
},
"store_asset_mtime": "1784710820",
"associations": {
"0": {
"type": "developer",
"name": "Snake Tower Games"
},
"1": {
"type": "publisher",
"name": "Twin Sails Interactive"
}
},
"primary_genre": "2",
"genres": {
"0": "2"
},
"category": {
"category_2": "1",
"category_23": "1",
"category_67": "1",
"category_68": "1",
"category_74": "1",
"category_79": "1",
"category_22": "1",
"category_28": "1",
"category_55": "1",
"category_56": "1",
"category_57": "1",
"category_58": "1",
"category_62": "1"
},
"supported_languages": {
"english": {
"supported": "true"
},
"russian": {
"supported": "true"
},
"japanese": {
"supported": "true"
},
"koreana": {
"supported": "true"
},
"schinese": {
"supported": "true"
},
"french": {
"supported": "true"
},
"german": {
"supported": "true"
},
"spanish": {
"supported": "true"
},
"brazilian": {
"supported": "true"
},
"latam": {
"supported": "true"
},
"tchinese": {
"supported": "true"
},
"polish": {
"supported": "true"
}
},
"steam_release_date": "1779973810",
"community_visible_stats": "1",
"community_hub_visible": "1",
"gameid": "3284290",
"store_tags": {
"0": "1091588",
"1": "9",
"2": "4711",
"3": "6426",
"4": "1643",
"5": "791774",
"6": "5125",
"7": "32322",
"8": "4325",
"9": "6276",
"10": "1741",
"11": "1716",
"12": "4604",
"13": "1677",
"14": "3871",
"15": "3959",
"16": "1666",
"17": "1708",
"18": "4026",
"19": "4182"
},
"review_score": "8",
"review_percentage": "84"
},
"extended": {
"developer": "Snake Tower Games",
"publisher": "Twin Sails Interactive",
"homepage": "https://moonsigil.com"
},
"config": {
"installdir": "Moonsigil Atlas",
"steamdecktouchscreen": "1",
"launch": {
"0": {
"executable": "Moonsigil Atlas.exe",
"config": {
"oslist": "windows",
"osarch": "64"
}
},
"1": {
"executable": "Moonsigil Atlas.x86_64",
"config": {
"oslist": "linux",
"osarch": "64"
}
}
},
"steamcontrollertemplateindex": "1",
"steamcontrollerconfigdetails": {
"3597080670": {
"controller_type": "controller_ps5",
"enabled_branches": "",
"use_action_block": "false"
},
"3603998161": {
"controller_type": "controller_steamcontroller_gordon",
"enabled_branches": "default,automated,fqa_test,internal,lqa_test,press,steamdeck-testing,trailer-production",
"use_action_block": "false"
}
}
},
"depots": {
"3284291": {
"config": {
"oslist": "windows",
"osarch": "64"
},
"manifests": {
"public": {
"gid": "8523650244470286567",
"size": "618221607",
"download": "458755216"
}
}
},
"3284292": {
"config": {
"oslist": "linux",
"osarch": "64"
},
"manifests": {
"public": {
"gid": "1839891789763280188",
"size": "768312761",
"download": "522078160"
}
}
},
"baselanguages": "brazilian,english,french,german,italian,japanese,koreana,polish,russian,schinese,spanish,tchinese",
"workshopdepot": "3284290",
"branches": {
"public": {
"buildid": "24457943",
"timeupdated": "1785350545",
"timebuildupdated": "1785350347"
}
},
"privatebranches": "1"
},
"ufs": {
"quota": "2000000000",
"maxnumfiles": "7000",
"savefiles": {
"0": {
"root": "WinAppDataLocalLow",
"path": "SnakeTower/Moonsigil Atlas/{64BitSteamID}",
"pattern": "*.sigil",
"recursive": "1"
}
},
"rootoverrides": {
"0": {
"root": "WinAppDataLocalLow",
"os": "MacOS",
"oscompare": "=",
"useinstead": "MacAppSupport",
"addpath": ""
},
"1": {
"root": "WinAppDataLocalLow",
"os": "Linux",
"oscompare": "=",
"useinstead": "LinuxXdgConfigHome",
"addpath": "unity3d/"
}
}
}
}
