Little Mouse's Encyclopedia

An educational point-and-click game about discovering plants and animals

Circus Atos · Released Feb 25, 2019

Reviews: Very Positive; 96% of 313
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 2 weeks ago; Oct 9, 2026
Minimum PC: HD 4000; 1 GB RAM · 0.7 GB disk; Full requirements

What is Little Mouse's Encyclopedia?

A single-player, 2D exploration game about a little mouse discovering nature across four habitats, including forests and gardens. You click on animals and plants to learn about more than 160 species.

For you if...

+you want a gentle game to explore with children

Not for you if...

−you expect demanding challenges and structured progression

What players say

96% of 313 reviews are positive

Players praise the illustrations, relaxing music and nature sounds. Some describe the experience as short.

Screenshots and trailer

Little Mouse's Encyclopedia screenshot 1

Little Mouse's Encyclopedia system requirements

Minimum: HD 4000, 1 GB RAM, 0.7 GB of disk space.

As published by the developer.

Can my PC run Little Mouse's Encyclopedia?

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Minimum

OS: Windows 7, 8, 10
Processor: 2.3 GHz Dual Core
Graphics: Intel HD 4000
Memory: 1 GB RAM
Storage: 700 MB available space

Does Little Mouse's Encyclopedia have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Little Mouse's Encyclopedia run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS
Achievements: 20
Steam features: Family Sharing, Trading cards
Languages: Text only: English, French, German, Czech, Polish, Ukrainian, Italian, Spanish - Spain, Hungarian, Portuguese - Portugal, Russian, Spanish - Latin America, Finnish, Japanese, Portuguese - Brazil, Dutch, Turkish, Arabic.

Does Little Mouse's Encyclopedia use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam