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Gibbous - A Cthulhu Adventure

Gibbous - A Cthulhu Adventure

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!

Released Aug 7, 2019 Developer Stuck In Attic Platforms Windows · Mac · Linux Story RichPoint & ClickPuzzleAdventureDark
View on Steam ↗ $19.99 (US · as of 2026-10-25)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28 · quoted reviews as of 2026-10-16.

89.7%positive2,304 reviews
Recommended · 94 found this helpful

“Gibbous: A Cthulhu Adventure is an adventure point and click game where the player can control three different characters trying to reveal ancient conspiracies and stop the crazy cultists from destroying the world. The game perfectly suits for every genre lover and someone who…”

— a player, Steam review · 8 hrs played
Recommended · 38 found this helpful

“Gibbous has been sitting in my unplayed inventory for over a year. I recently needed a break from stealth and survival, so I decided to give it a whirl. It was just what the doctor ordered and brought back memories from the golden years of adventuring. In the tradition of such…”

— a player, Steam review · 15 hrs played
Recommended · 37 found this helpful

“A really fun indie adventure game in the vein of classic LucasArts games. Amazing animation, pretty OK voice work, logical puzzles, easy controls, fun hidden achievements, really good and fun writing. If you, like me, haven't played a classic point-and-click adventure in a…”

— a player, Steam review · 13 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.

293all-time peak
0 50 100 2020 2021 2022 2023 2024 2025 2026 No data collected for this period No data collected for this period 77 avg · Aug 2019

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-26.

48achievements
37.2%median completion
6.1%rarest: Dread ringer
84.7% of players 80.2% of players 75.6% of players 74.2% of players 69.8% of players 61.1% of players 59.1% of players 56.9% of players 56.2% of players 56.0% of players 53.1% of players 50.3% of players 49.5% of players 48.8% of players 47.9% of players 46.5% of players 45.5% of players 43.3% of players 39.8% of players 39.8% of players 39.8% of players 38.7% of players 38.3% of players 37.3% of players 37.2% of players 35.2% of players 34.9% of players 33.3% of players 30.8% of players 30.6% of players 27.1% of players 23.3% of players 22.1% of players 20.6% of players 20.1% of players 18.9% of players 18.4% of players 18.3% of players 17.3% of players 16.2% of players 12.7% of players 12.5% of players 11.9% of players 9.8% of players 9.2% of players 8.0% of players 6.2% of players 6.1% of players 84.7% 0% most earned rarest
Almost everyone has
84.7%Grimoire grabber — Your trembling hands grab the Necronomicon!
80.2%Cat collaborator — Kitteh, help?
75.6%Make it soda — I wonder if this fridge is empty...
Rarest badges of honor
6.1%Dread ringer — Hidden achievement
6.2%Life fizz surprising — Hidden achievement
8.0%Lofty littering — I didn’t really need these.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$19.99current · sampled 2026-10-25 20:53 UTC
$1.99lowest since tracking began2026-10-01
US19.99 USD
EU19.99 EUR
UK16.75 GBP
Australia28.95 AUD
Canada25.99 CAD
Japan2,300 JPY
Brazil59.99 BRL
China76.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$11 China Japan Canada US Australia UK EU≈$22

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-26). Relative comparison only.

$0 $25 $50 07-11 07-31 08-21 09-11 10-02 10-25

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Sep 01, 2026
New Game Announcement: The Monkey's Paw

Greetings, cultists! Li from Stuck In Attic here, announcing my new solo narrative game! The Monkey's Paw is a short horror visual novel with a comedic twist. Hold the monkey's paw and make a wish, bu

May 12, 2026
New Game Announcement: Hell Is Other People

👋 Greetings, cultists, it's been a while! Cami from Stuck In Attic here, announcing my new solo adventure game! Hell Is Other People is a psychological horror adventure game about social anxiety. Chec

May 28, 2025
Our new game, Near-Mage, is out now on Steam!

Greetings, cultists! So thrilled to announce that our new game, Near-Mage: Study Magick in Transylvania, is out now on Steam! You'll explore the dark and colorful world of Transylvania, meet familiar

May 15, 2025
Our new game, Near-Mage, has a release date!

Greetings, cultists! We disturb you from your eldritch repose to let you know that our new game, Near-Mage, has a release date: May 27th! While not a direct sequel, Near-Mage takes place in the same u

Jun 27, 2024
Steam Summer Sale Discount!

Greetings, everyone! Rejoice, for the Steam Summer Sale is here, and Gibbous is 60% off. Tell a friend, or surprise them with the gift of comedy cosmic horror madness. Have fun, stay safe, and worship

Games like Gibbous - A Cthulhu Adventure

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Little Misfortune Little Misfortune 90.4% · 6,657 reviews shares Dark Fantasy, Interactive Fiction, Point Click, Dark TSIOQUE TSIOQUE 92.7% · 851 reviews shares Dark Fantasy, Hand Drawn, Point Click, Dark Anna's Quest Anna's Quest 86.9% · 999 reviews shares Point Click, Dark, Comedy, Horror The Excavation of Hob's Barrow The Excavation of Hob's Barrow 92.5% · 2,457 reviews shares Lovecraftian, Interactive Fiction, Point Click, Dark HOME HOME 89.5% · 1,375 reviews shares Cats, Interactive Fiction, Point Click, Dark Fran Bow Fran Bow 96.7% · 9,338 reviews shares Dark Fantasy, Hand Drawn, Point Click, Dark Rusty Lake: Roots Rusty Lake: Roots 95.3% · 1,987 reviews shares Lovecraftian, Hand Drawn, Point Click, Dark They Breathe They Breathe 83.2% · 841 reviews shares Lovecraftian, Hand Drawn, Dark, Horror

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-12.

GenresAdventure, Indie
Player tagsStory Rich · Point & Click · Puzzle · Adventure · Dark · Indie · Cute · Singleplayer · Lovecraftian · Dark Fantasy · Horror · Atmospheric (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Family Sharing
LanguagesEnglish * , French, Italian, German, Spanish - Spain, Hungarian, Romanian, Russian, Arabic, Korean, Simplified Chinese, Japanese, Polish, Portuguese - Brazil *
Achievements48
Official sitehttp://gibbousgame.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Microsoft Windows XP(SP2+)/Vista/7/8/8.1 (64-bit) Processor: 2,5 GHz Intel Core i3 or AMD Athlon Memory: 4 GB RAM Graphics: Dedicated video graphics card with 2GB of memory DirectX: Version 9.0c Storage: 20 GB available space Additional Notes: Requires a 64-bit processor and operating system