Monster Lab Simulator: Prologue

First-person lab simulation about creating, collecting, and selling monsters

Round3 Studios · Published by Kiki Games · Released Oct 31, 2025

Reviews: Mostly Positive; 72% of 116
Recent reviews: Not enough recent
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 9 months ago; Jan 19, 2026
Minimum PC: GeForce GTX 1050; 8 GB RAM · 10 GB disk; Full requirements

What is Monster Lab Simulator: Prologue?

This free, single-player prologue is a limited first-person simulation set in a monster laboratory. You buy essences, hatch creatures, store them in orbs for sale, and reinvest in equipment, with turn-based matches and tournaments alongside the lab work.

For you if...

+you enjoy casual creature collecting alongside lab management

Not for you if...

−you prefer real-time action over turn-based creature battles

What players say

72% of 116 reviews are positive

Players praise the cute monster designs. They criticize the limited content and unclear restrictions on which recipes work. A recurring complaint is that spending too much leaves no money for the orbs needed to sell creatures, blocking further progress.

Screenshots and trailer

Monster Lab Simulator: Prologue screenshot 1

Monster Lab Simulator: Prologue system requirements

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

As published by the developer.

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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: Prologue have co-op or multiplayer?

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

Single-player

Does Monster Lab Simulator: Prologue run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

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

Does Monster Lab Simulator: Prologue 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