Professor Clank’s Combinator Slot

Yggdrasil - Professor Clank’s Combinator

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Professor Clank’s Combinator Slot Review

When a slot has a “professor” word in front of its title, it’s common to expect a wacky ride in an experimental lab somewhere far away. Reel Play and Yggdrasil have come up with something different in the Professor Clank’s Combinator slot. It’s a low volatile game that runs on a steampunk engine with up to 707 ways to win. The RTP is set to 96.10% which is unusual for a low-volatile game, so this lab experiment could provide some interesting results.

Yggdrasil is known for its incredible game visuals and rewarding gameplay features. All of that is on display in Professor Clank’s Combinator, where you’ll combine matching symbols with various modifiers for ground-breaking wins. A Stacking mechanic is at the core of it all, raising the number of winning ways and offering wins up to 10,000x the stake.

If you’re in for a crazy wild lab ride, you can play Professor Clank’s Combinator in the most popular online slot sites for free or for real money.

Professor Clank’s Combinator Game Logo
RTP 96.10%
Volatility Low
Maximum Win €250,000.00
Bonus Buy Icon Yes
Game Provider Yggdrasil

Licensing Authorities and Testing Agencies

Professor Clank’s Combinator Slot Paytable and Symbol Payouts

Reel Play and Yggdrasil have collaborated numerous times before and the results have been incredible. Professor Clank’s Combinator is no exception. This is a visually stunning slot game with a bit of an unusual grid, but it’s easy to understand. The action takes place in Professor Clank’s lab on a 6x3 grid with a unique winning mechanic.

The steampunk robot is the highest-paying symbol. It pays 10x for 6 on a line. There are four premiums in total joined by a four-set of steampunk card royals. The professor is the Wild and doesn’t appear on columns 1 or 6. A steampunk gearshift is the Scatter, and you need 5 or more of these to trigger the bonus.

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Professor Clank’s Combinator Slot on Mobile Devices

Professor Clank’s Combinator is optimized for use on mobile devices running on Android or iOS. You don’t need to download it in the form of an app. Just head to your favorite Yggdrasil casino and play it from a mobile browser.

Reels 6
Rows 5
Autoplay Option
Autoplay Option Icon Yes
Release Date
Release Date 18/07/2022
Paylines 707
Minimum Bet
Minimum Bet €0.20
Maximum Bet
Maximum Bet €25.00

How to Play the Professor Clank’s Combinator Slot

The default bet in the Professor Clank’s Combinator slot is $1, but you can set it between $0.20 and $20. You can see that the slot has a pretty easy learning curve. All the controls are on the right including the guide that helps you understand how the game works and provides information on the symbols.

In the base game, you get paid for 3-6 symbol combinations. The Wild doesn’t hold value on its own, but it does substitute for other symbols in winning combos except for the Scatter. With a variable reels engine, every win triggers a cascade that will go on and on until a no-win combination occurs.

Unlike in Megaways slot like Gonzo’s Quest Megaways, symbols drop and cascades come with a twist. Whenever a winning combination occurs, all non-winning symbols are removed except for Scatters. The remaining symbols will drop down to the bottom of their respective columns. Now, if after the explosion more than one type of symbol remains (aside from the Scatter or Wild), they morph into the highest-paying symbol on the grid.

Boosters in the form of extra-matching symbols will also be added to surrounding columns if winning symbols are not in a winning position after an explosion. If the columns are less than 5 symbols in height after an explosion, a random symbol is dropped on top once the Morphs have played out. If it results in a win, it stays on the reels. If it doesn’t it explodes with scatters left on the grid.

Once everything has played out, Professor Clank’s combinator does the calculations and pays.

Professor Clank’s Combinator Slot Free Spins Bonus

Five or more Scatters get you to the Bonus Respins round. Before the round begins, all symbols aside from Scatters are removed from the grid. The Scatters drop to the bottom when you get 3 respins, with new symbols dropped on each column.

New Scatters are locked in place when they land and reset the tally to 3. This is a familiar Hold&Respins round, but with special jackpots in tow of which the biggest one (Platinum) pays 2,000x.

When the bonus feature ends, you can gamble your wins up to 10x. You have the option to gamble only half of your wins. Gambling is done up to 3 times, but be way, as you might lose it all.

Slot Features

Scatters Icon Yes
Wild Symbol Icon Yes
Re-Spins Icon Yes
Cascading Reels Icon Yes
Quickspin Icon Yes
Gamble Feature Icon Yes
Retriggering Icon Yes
Bonus Buy Icon Yes

Professor Clank’s Combinator Slot RTP, Max Payout & Volatility

The Professor Clank’s Combinator slot RTP is set to 96.10%, which is perfect for a low volatile slot. With a bit of luck and all the modifiers, you can hit wins up to 10,000x the bet.

Professor Clank’s Combinator Slot Verdict

Professor Clank’s Combinator is an excellent steampunk slot game with plenty of surprises. It gives the good ol’ cascade engine a welcomed boost and adds interesting modifiers in the mix. It might lack a Free Spins Bonus, but it replaces it nicely with respins and jackpots that make all those lab explosions worth it.

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Meet Our Slot Tester

Karolis Matulis
Karolis Matulis Slot Tester

Karolis Matulis is an SEO Content Editor at with more than 5 years of experience in the online gambling industry. Karolis has written and edited dozens of slot and casino reviews and has played and tested thousands of online slot games. So if there's a new slot title coming out soon, you better know it – Karolis has already tried it.

This review is based on the writer's personal opinion is an informative comparison site that helps users find the best products and offers. We maintain a free service by receiving advertising fees from the brands we review. Ratings are based on position in the comparison table or specific formulas. We strive to keep information up-to-date, but offers are subject to change. We do not compare or include all brands and offers.


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