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Watch trailer on Steam ↗Mothiary
Denver · Published by Denver
Positive — 100% positive (16 reviews)
Last updated 28 Sept 2026
An idle game about collecting moths.
£5.29
Lowest price we've ever recorded
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Price history
Simulation, Casual · 2026 · More £5 - £15 games
Dive into Mothiary and watch your moth collection grow as you manage a serene insect sanctuary. Experience the calming rhythm of gathering moths in a relaxing simulation crafted by Denver.
About this game
Collect and care for moths in a quiet world of moonlight and growth.
Step into a calm nighttime world where you collect and care for delicate moths. Watch your terrarium come to life as each species rests, flutters, and thrives under the soft glow of night.
Grow your sanctuary.
Start with simple cocoons and nurture them into new species. Expand your terrarium, earn resources over time, and unlock rare moths as your collection grows.
A peaceful rhythm of discovery.
Each moth you find adds a small moment of wonder. Mothiary invites you to slow down, enjoy the process of collecting, and watch your sanctuary fill with life one species at a time.
Features
• Collect and raise real moth species from around the world
• Expand your terrarium and design cozy biomes for every region
• Earn resources while idle for easy, relaxing play sessions
• Unlock new environments and rare species as you progress
• Enjoy a soft ambient soundtrack and peaceful atmosphere
• Play at your own pace and focus on calm, simple goals
Wishlist now.
Whether you play for a few minutes or lose track of time exploring, Mothiary offers a gentle escape into the quiet beauty of the night.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10 (64-bit)
- Processor: Intel Core i3 or equivalent (2.0 GHz+)
- Memory: 4 GB RAM
- Graphics: DirectX 11 compatible GPU with 1 GB VRAM (Intel HD Graphics 4000 or better)
- DirectX: Version 11
- Storage: 500 MB available space
- Additional Notes: Requires a 64-bit processor and operating system
Recommended
- OS: Windows 10/11 (64-bit)
- Processor: Intel Core i5 or equivalent (3.0 GHz+)
- Memory: 8 GB RAM
- Graphics: DirectX 11 compatible GPU with 2 GB VRAM (NVIDIA GTX 660 / AMD Radeon HD 7850 or better)
- DirectX: Version 11
- Storage: 1 GB available space
- Additional Notes: Requires a 64-bit processor and operating system
Supported Languages
Latest news
Patch NotesOfficial
Patch 1.11
Fixed bug where shop items weren't showing pricesRead full article on Community Announcements (Denver)Patch NotesOfficial
Update 1.10 - Localization Update
Added localization for French, Italian, German, Spanish, Chinese, Japanese, Korean, Portuguese and Russian Added key rebinding for hotkeys Added cursor sprites Fixed bug with species name display showing asset names instead of display namesRead full article on Community Announcements (Denver)Patch NotesOfficial
Patch 1.01
-Fixed Roster buttons not working properly -Fixed some big numbers not getting a suffix -Updated ambient soundsRead full article on Community Announcements (Denver)AnnouncementsOfficial
Mothiary Demo Now Available
The Mothiary demo is now live! This early look lets you explore the basics of raising moths, unlocking species, and decorating your terrarium. Each moth you discover adds a new entry to your growing Mothiary, complete with facts, visuals, and a bit of personality.This demo includes the core gameplay loop, early unlocks, and a handful of moth species to collect. There’s more planned for the full game, including new regions, rare moths, and advanced terrarium customization.If you enjoy the demo, please consider wishlisting the full game, it helps a lot during development. Feedback is welcome, and I hope you enjoy your time collecting moths!Read full article on Community Announcements (Denver)
