Top casino
Top bonuses
Top slots


1 Star2 Stars3 Stars4 Stars5 Stars
Monster Lab slot machine is released by Evoplay slot game software suppliers. Its cartoon-like design will evoke memories and set the child inside you free again. Its 5 test tube reels consist of many crazy shaped and colourful monsters. Not only that they are not scary, but they bring you many prizes. The 20 betways are not fixed, so a gambler can choose between playing on 1, 3, 5, 9, 15 or 20 active pay lines.
Play now
Play now for real money
MONSTER LAB Slot Screenshot
Game info
5 Reels
20 Paylines
20 Min bet
2000 Max bet
yes Bonus round
yes Free spins
yes Gamble feature
Online casino
Bonus amount
Number of games
Slotty Vegas Slotty Vegas more...
✓Sign up bonus £/€ 350 + 135 FREE SPINS
BetAt Casino BetAt Casino more...
€£150 Welckome Pack +50 Free Spins (On Starburst)
Dunder Casino Dunder Casino more...
Up to €£600 + 200 Bonus Spins

The amusing introduction to the game tells us about a doctor that gets sucked in by his machine and turned into a monster. This is also a scene from the Double game triggered by any win. The wager gets the chance to gamble his/her win to double it or lose everything. The assignment is to guess whether the pink monster will change the doctor into a purple creature or he will keep his human form.

The graphics and animations are amazing, such as the DNA expanding wilds. Wild symbols will expand across all 3 rows in case there are winning combinations for it to be included in. Except for this one and the Scatter, the rest of the symbols are monsters of different colours suspended in the reels of blue liquid. The most valuable is the one with multiple eyes, and it brings incredible award of 2,000 coins for 5 of a kind on an active line.

Scatter is presented with a red molecule and triggers a bonus feature of free spins.

Free spins play in the same grid, and the number of these rounds depends on the number of Scatters that shown up on the reels:
3 scatters Activate 15 free spins
4 20
5 25

Bet per line goes from 1 to 40 coins, which brings us to the max bet of total 800 coins. Coin size can be set as 0.5, 1 or 2 of players currency. The RTP of Slots Monster Lab is 94.3%. It is not one of the progressive slots.

In the end of Free spins set there is a Bonus to be picked – 3 cards appear on the screen each hiding one of the 3 bonuses:
  • multipliers x2 or x3
  • additional 20 spins

The player chooses one card and gets only one of the offered bonuses. Monster lab slot machine is full of surprises and hidden opportunities, which is why it has best online casino slots reviews.

Catch the Mutant Pig

Like all of previous was not enough there is one more bonus game waiting around the lab corner. It is initiated by the pig-like creature with horns. The bonus game is an experiment involving other monsters and beakers filled with green fluid. The monsters are being launched into the beakers by pressing the START button, and each beaker brings the different amount of coins as a prize.

Be the Crazy Scientist

If all of the above was not enough for you to put on the lab coat and do your magic, maybe just give it a spin for free before making real money deposit UK casinos request. Online real money casino games require cautious gambling, so be certain you have read and understood the site Terms and Conditions.

Play for free

Share your thoughts with other

parrot with gold