Monster Lab Simulator

Lab management simulator about creating, collecting, and combining creatures

Round 3 Studios · Released Feb 13, 2026 · Early Access

Reviews: Mixed; 69% of 532
Recent reviews: Mostly Positive; 76% of 13 in 30 days
Players: 13; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 6 days ago; Oct 22, 2026
Minimum PC: GeForce GTX 1050; 8 GB RAM · 10 GB disk; Full requirements

What is Monster Lab Simulator?

Monster Lab Simulator is a single-player laboratory simulation in Early Access. You buy and mix essences, incubate eggs into creatures called Fulus, and sell them to fund equipment upgrades. You also fulfill market orders, assemble squads for battles, and unlock new lab areas as you level up.

For you if...

+you like relaxed management with collection-focused goals

Not for you if...

−you prefer predictable rewards over chance-based progression
−you want to battle other players online

What players say

69% of 532 reviews are positive · 76% of 13 in the last 30 days

Players praise the creature designs and battles. Recent criticism calls for more content and quality-of-life improvements, while earlier reviews describe repetitive grinding and awkward inventory handling.

Screenshots and trailer

Monster Lab Simulator system requirements

Minimum: GeForce GTX 1050, 8 GB RAM, 10 GB of disk space.

As published by the developer.

Can my PC run Monster Lab Simulator?

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Minimum

OS: Windows (64-bit) 10
Processor: Intel Core i5-2500 @ 3,3 GHz (4 CPUs)
Graphics: NVidia GeForce GTX 1050
Memory: 8 GB RAM
Storage: 10 GB available space
DirectX: Version 11

Does Monster Lab Simulator have co-op or multiplayer?

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

Single-player

Does Monster Lab Simulator run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 23
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, French, Italian, German, Spanish - Spain, Simplified Chinese, Portuguese - Brazil, Traditional Chinese, Japanese, Korean, Polish, Portuguese - Portugal, Russian, Turkish, Ukrainian, Dutch, Arabic, Spanish - Latin America, Czech.

Does Monster Lab Simulator use AI-generated content?

Steam's data marks it as containing AI-generated content, but its Steam page had no statement from the developers when we checked it.

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