Grey Alien GamesNight Signal Entertainment
Forbidden Solitaire is a card-slashing horror game about unearthing the contents of a cryptic 1995 CD-ROM that should have never existed. From the creators of Ancient Enemy and Home Safety Hotline.
Steam details apply to the Steam version. IGDB data describes the game; support may vary by platform or edition.
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Applies to the Steam version. Check the store for current details.
Steam · Checked
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Unlisted support is not confirmed. Check your platform and edition before purchasing.
IGDB · Checked
Forbidden Solitaire: Indie, Strategy, and Card game, developed by Grey Alien Games, Night Signal Entertainment, released May 1, 2026, on PC.
The schedule shown applies to this region. Check the official store for that region to confirm availability.
Card-en-CielStrategy · RPG · Difficult · ETC · Card · Roguelike · Detective · Roguelite · Indie · CardBattler · Sci-fi · Crime · Leaderboards · Dungeon · Conversation · Online · Deckbuilding · JRPG · Collecting · PvP · Multiplayer · Exploration · StoryRich · OnlinePvP · Competitive · Grid-Based · Music · Single-player
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Black JacketStrategy · Roguelike · casual · Indie · Adventure · Collecting · Card · Roguelite · StoryRich · CardBattler · Dark · Violence · Deckbuilding · Supernatural · Single-player
Sultan's GameStrategy · Adventure · RPG · Simulation · Indie · Collecting · MultipleEndings · Card · Fantasy · StoryRich · Turn-based · DarkFantasy · ChoicesMatter · SteamTradingCards · SteamAchievements · SteamCloud · In-AppPurchases · ResourceManagement · Political · Violence · TimeManagement · Deckbuilding · SteamWorkshop · PAID GAME · Single-player · Turn-BasedStrategy
DeckbaneStrategy · Roguelike · Indie · Turn-based · Collecting · Card · Fantasy · Magic · Roguelite · CardBattler · Turn-BasedCombat · Deckbuilding · Single-playerSign in to see what players liked and disliked, with scores by category.