01
Synthesize
Buy essences, cook eggs, hunt hidden recipes. 20 Fulu families to discover, plus special eggs from ancient amber.
Monster Lab Simulator
Early Access · v0.6
Single player
First-person
19 languages
Ready to become a mad scientist? Synthesize, evolve, and command an army of unique creatures in your own lab. Manage your laboratory, master genetic essences, and dominate the battle arena in this deep creature collection simulator!
Developer · PublisherRound 3 Studios
ReleaseEarly Access · 13 Feb 2026 · 1.0 within 12 months
PlatformsSteam · PlayStation · Xbox
Tags · from SteamCasual · Indie · Simulation · Strategy
Early Access trailer · YouTube
Latest trailer from the Steam page
What you do
The thrill of synthesis and combat, the joy of collecting, the magic of discovering the unknown — all inside your own monster laboratory.
01
Synthesize
02
Raise & bond
Hatch, feed, play. Twelve personalities and four bond levels decide who follows you into the arena.
03
Evolve
Merge creatures to evolve them. 80 abilities across families and elements, more growth stages coming at 1.0.
04
Battle & capture
Fight in the arena, catch wild Fulus with orbs, run the deathmatch. Personality decides tactics.
05
Run the lab
Fill orders, sell orbed creatures, reinvest. Unlock deeper sections, keep elemental habitats healthy, let the trash robot tidy up.
06
Come back
Daily and weekly missions, bonus spins, and a pair of eyes that is always watching. Something is in the lab with you.
Inside the lab
As of v0.6 · counts update with every build
105Fulus
20Families
80Abilities
12Personalities
39Accessories
6Egg types
4Essences
8Machines
24Foods & potions
5Fulu commands
Screenshots
Pulled from the Steam store page · newest six
Latest patch
Newest announcement from Steam · auto
Major Update v0.6: My Best Friend is Here!
Hello Scientists! 🧪 The My Best Friend Update is now live for everyone! Version 0.6 brings new ways to care for, customize and battle with your Fulus, alongside a major rework of their behavior, new Tablet apps, and full controller support. Your existing saves will continue to work. No extra steps…
Runs on
From Steam
MinimumRecommended
OSWindows (64-bit) 10Windows (64-bit) 10
CPUIntel Core i5-2500 @ 3,3 GHz (4 CPUs)Intel Core i7-11700K or AMD Ryzen 7 5800X
GPUNVidia GeForce GTX 1050NVIDIA GeForce GTX 1660S, 6 GB or AMD Radeon RX 5600 XT, 6 GB
RAM8 GB RAM8 GB RAM
DirectXVersion 11Version 11
Storage4 GB available space4 GB available space
ConsolePlayStation 5 · Xbox Series X|S
Speaks
19 languages · from Steam
EnglishFrenchItalianGermanSpanish - SpainSimplified ChinesePortuguese - BrazilTraditional ChineseJapaneseKoreanPolishPortuguese - PortugalRussianTurkishUkrainianDutchArabicSpanish - Latin AmericaCzech