Released Aug 7, 2019 $19.99 Very Positive Counts toward your Steam games

Gibbous - A Cthulhu Adventure

By Stuck In Attic

Story Rich Point & Click Puzzle Adventure Dark Indie Singleplayer Cute LovecraftianDark FantasyHorrorAtmospheric

Track this game Steam page

Followers —

Reviews 2,103 Very Positive

Players yesterday 1 at the busiest moment

Owners 200K–500K estimated

Gibbous - A Cthulhu Adventure is a game tagged Story Rich, Point & Click and Puzzle by Stuck In Attic, released Aug 7, 2019. It has 2,103 Steam reviews (Very Positive). It has an estimated 200K–500K owners on Steam. The Steam games most like it include Slender Threads, Oknytt and ASYLUM.

Crazy cultists. Cthulhu. A talking cat. Gibbous takes you on an expansive, traditionally animated, hand-painted adventure. Play as three protagonists and explore a lushly rendered Lovecraft-inspired world, unraveling ancient conspiracies. A comedy cosmic horror adventure made in Transylvania!

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<a href="https://launchrivals.com/games/914020-gibbous-a-cthulhu-adventure"><img src="https://launchrivals.com/games/914020/badge.png" alt="Gibbous -  A Cthulhu Adventure launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/914020-gibbous-a-cthulhu-adventure"><img src="https://launchrivals.com/games/914020/badge.png?theme=light" alt="Gibbous -  A Cthulhu Adventure launch date" width="320" height="84"></a>

Slender Threads 75% match · Story Rich, Point & Click, Puzzle
Oknytt 72% match · Story Rich, Point & Click, Puzzle
ASYLUM 70% match · Story Rich, Point & Click, Puzzle
Growbot 70% match · Story Rich, Point & Click, Puzzle
Bulb Boy 70% match · Point & Click, Puzzle, Adventure
The Curse We Made 69% match · Story Rich, Point & Click, Puzzle
Darkness Within 1: In Pursuit of Loath Nolder 69% match · Story Rich, Point & Click, Puzzle
The Season of the Warlock 68% match · Story Rich, Point & Click, Puzzle
Little Misfortune 68% match · Story Rich, Point & Click, Puzzle
Behind The Door 67% match · Story Rich, Point & Click, Puzzle

Steam data

Everything Steam lists for Gibbous - A Cthulhu Adventure · record updated 1 day ago

Steam store

Overview

App ID914020

Release dateAug 7, 2019

Last change number37438766

Last record update1 day ago

App type: Game
Developer: Stuck In Attic
Publisher: Stuck In Attic
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Franchise: The Kittehverse
Technologies: Unity detected
Metacritic: 74
Website: gibbousgame.com

Windows macOS Linux 64-bit

Steam Deck: Playable

Single-playerSteam AchievementsSteam CloudFamily Sharing

Patches

Build	Branch	Updated
4623661	public	Jan 30, 2020
4041291	beta	Jul 24, 2019

Packages & DLC

ID	Name	Price (US)
1133170	Not on the store yet	—
1133190	Not on the store yet	—
1133220	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
914021	—	All	—	—	1860808413596753953
914022	—	Windows	9.06 GB	3.75 GB	8465212739741215044
914023	—	macOS	9.12 GB	3.76 GB	3514584299294963498
914024	—	Linux	9.04 GB	3.75 GB	5207704945292657078
1133160	— English	All	864.1 MB	848.0 MB	8178185763384193381
1133170	— English DLC 1133170	All	337.2 MB	98.1 MB	2970928790261750396
1133190	— DLC 1133190	All	—	—	—
1133220	— DLC 1133220	All	1.17 GB	946.1 MB	1995591856626338745

Branch	Build	Updated	Access
public	4623661	Jan 30, 2020	Open
beta closed beta	4041291	Jul 24, 2019	Open

Configuration

Install foldersteamapps/common/Gibbous - A Cthulhu Adventure

Executable	Arguments	Systems
Gibbous - A Cthulhu Adventure.exe		Windows · 64-bit
Gibbous - A Cthulhu Adventure.app		macOS
Gibbous - A Cthulhu Adventure.x86_64	-force-glcore42 -force-clamped	Linux · 64-bit

Space per player32.9 MB

Filesup to 90

Save locations2

Root	Path	Pattern	Systems
gameinstall	SavesDir	*.jpg	All
gameinstall	SavesDir	*.save	All

Data from public Steam pages, updated daily; 1 day of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.

Gibbous - A Cthulhu Adventure

About Gibbous - A Cthulhu Adventure

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