Monster Lab Simulator: Prologue

Simulation· Casual· Early Access· Creature Collector

Released Oct 2025

Monster Lab Simulator is a creature collector where you create, raise, and battle monsters in your own lab. Synthesize essences, hatch eggs, expand your collection, and build the ultimate team!

72% positive · 110 reviews

Not yet

Released, but content still planned

Medium confidence

Content Planned

Not yet

Released, but content still planned

Medium confidence

Content Planned

Where to get it

Free on Steam

Steam Free

Evaluation

Monster Lab Simulator: Prologue is the free, limited preview version of Monster Lab Simulator, released on October 31, 2025. The full game (Monster Lab Simulator) launched on February 13, 2026. On that launch day, the developer (Round3 Studios) explicitly stated: "This is just the beginning. We'll grow the game together with your feedback, expanding the lab with new systems and content" — a direct commitment to continued post-launch development. A separate launch-day post also referenced "Our Future Plans" alongside the game's release. These statements come from the same studio that publishes this prologue and represent the developer's publicly communicated direction for the broader product. The most recent developer communication in this game's news feed is from February 16, 2026, with no posts since then through the current date of September 24, 2026. However, the developer's explicit promise of ongoing content at launch — made only about seven months ago — has not been retracted or superseded by any statement indicating completion. No developer communication has indicated that development is wrapping up or that the game is considered complete.

Evidence

Developer stated 'This is just the beginning. We'll grow the game together with your feedback, expanding the lab with new systems and content' at the full game's launch.

news post · Feb 13, 2026 source content planned

high

Monster Lab Simulator (the full game) launched on Steam on February 13, 2026, representing the graduation of this prologue into a full product.

news post · Feb 13, 2026 source content shipped

high

Media

Details

Developer

Round3 Studios

Publisher

Kiki Games

Achievements

—

Platform

Windows

Controller

—

Steam Deck

Not rated

Players

Single-player

Simulation Early Access Casual Creature Collector Collectathon Immersive Sim RPG Strategy Life Sim 3D First-Person Realistic Indie Colorful Cute

About this game

In this prologue, you step into Monster Lab Simulator: Prologue – experience the first steps of becoming the ultimate monster creator and battle master!

Discover the thrill of synthesizing mysterious essences, hatching rare eggs, and expanding your lab in this limited free version.

Buy mysterious essences to hatch unique Fulus from fragile eggs. Every experiment is a chance to create something new.

Discover hidden recipes by combining different essences. Unlock surprise creatures and expand your growing collection.

Enter turn-based battles in the station. Compete in tournaments for big rewards or test your team in free matches.

Orb your creatures to keep them forever in your permanent collection. Store their stats and create powerful combinations.

Sell your stored orbs for profit and invest in powerful new machines. Expand your lab, speed up production, and unlock stronger creations.

Combine three Fulus into one evolved form with the merge machine. Unlock stronger abilities, higher essence yield, and powerful new battle options.

Keep your playful Fulus out of trouble, look after them when they get mischievous, and make sure your lab stays a place where creatures feel happy and healthy.

Monster Lab Simulator delivers the thrill of synthesis and battle, the joy of collection, and the magic of uncovering the unknown all inside your very own monster lab.