Play Dr. Eerie's Experiment for Free

Win-lines in the normal run of play are made when 3 or more of the same symbol type land across a payline on connected reels from leftmost to right. Diamond and club playing card suits, in a crystal-effect, will each be worth 2, 6 or 12 times the betline stake when landing on 3, 4 and 5 reels, while other small wins are made by the heart and spade icons, a piece of cheese and some goggles.

A smiling green creature that looks like a cross between characters from Ghostbusters and Despicable Me will pay 10, 20 and 40 times the line stake, while the evil-looking mouse who we guess is the result of an experiment gone wrong, is worth 10, 20 or 60 times.

The Doctors’ redheaded assistant looks on in shock at something scary in the lab, and pays 16, 30, or 80 the line stake, while Dr Eerie is worth the best wins when his sinister face appears, with spinners picking up 20, 40 and 100 times the line bet when he’s on 3, 4, or 5 reels.

The black and yellow radiation symbol is wild, able to act as any regular symbol to complete win-lines, or extend a winning combination across extra reels to the right side. It will also pay 20, 100, or 500 times the line stake when it lands across the reels on its own, although it won’t be able to replace the scatter or jackpot symbols.

A glowing ball of energy is a scatter symbol that will zap players to a free spins bonus game whenever it stops in any 3 or more places at once. A random number of games are awarded and with each bonus spin, any 2 reels will be filled with the wild symbol, helping players to get more wins before they are finished.

If the jackpot symbol appears on reels 1, 2 and 3 at once, players are taken to a second screen where a progressive prize is guaranteed. The green creature is standing in front of a wall of switches and players pull any switch to reveal which jackpot they have won, either the Mini, Minor, Major, or Grand.

The values of each are displayed above the reels, but there’s a sting in the tail, as only players who are at the maximum bet will win 100% of any jackpot, and the rest of us will have to make do with anything from as little as 10% at the low limit.

This means it’s possible that even claiming a progressive jackpot isn’t going to add much to bankrolls, but something is better than nothing, and there’s a chart listing what amount of each is won with each bet level, so punters will at least know beforehand what they can win.

There’s a couple of other mad-scientist themed slot games available, but the one that we really enjoy is Gold Lab, from Quickspin. It’s got a cartoon scientist cooking up reel re-spins, plus there’s wild substitutions and a unique Golden Bonus feature that transforms symbols into further wilds for some of the top prizes.

In many ways, the Dr Eerie’s Experiment video slot is an excellent online casino machine, with a great style, the potential for lots of wins and a couple of nice bonus features. The various weird and wonderful characters in the lab and the nice animations that accompany them really help to bring the game to life, but it’s the rewarding wild substitutions and free spins with their extra wild reels that make this an experiment worth trying.

It’s a shame that the jackpots are only claimed in full by those at the maximum stakes, but apart from this, it’s a game well worth playing and another example of the quality slots from GamingSoft.