Goo Lab: Merge Slimes is a free, casual merge game where you drop colorful slimes into a laboratory tank and combine matching slimes to evolve them into stronger, more unique forms. This puzzle game offers an enjoyable experience for players who love simple yet addictive merging mechanics.

Merge, evolve, and upgrade

In Goo Lab: Merge Slimes, you merge colorful slimes with simple, addictive gameplay as matching creatures evolve into adorable glossy forms. Enjoy realistic physics-based jelly movement inside a relaxing neon sci-fi laboratory while discovering 12 unique slime evolutions and earning Gold and Red Elixir rewards to unlock skills and boosters.

You can also upgrade your laboratory facilities, complete daily and weekly missions, and compete in leaderboard events. Build your Slimepedia collection while enjoying vibrant neon visuals and satisfying sound effects. However, the gameplay can become repetitive during long sessions. In addition, some upgrades and progression are locked behind a paywall.

Simple mechanics, rewarding gameplay

Goo Lab: Merge Slimes delivers a relaxing and enjoyable merge experience with addictive gameplay, charming slime evolutions, physics-based mechanics, rewarding progression, and engaging missions. Its cozy presentation and competitive leaderboard events add lasting appeal. However, repetitive gameplay during extended sessions and paywalled upgrades may reduce the overall experience.