|Peter & Sons|2021-07-20|RTP: 97 %
Game provider
Peter & Sons
Feature Buy
Game type
Video Slots
Mobile version
Grid slot
Sticky wilds
Free spins
Bonus game
Progressive jackpot
Min. bet
Random Feature
Max. bet
Maximum win
Last update
August 20, 2021


7 votes - 4.71/5.00

Prepare to battle for your Emperor on the slot from Peter & Sons powered by Oryx Gaming. Kaiser takes you on a darkly comical journey to war on desktop, tablet or mobile, featuring wilds and a random bonus feature with increasing wild multipliers. Plus, enhanced roaming wild multipliers for the explosive free spins bonus that can lead to shell-shocked wins of up to 2333 times your bet.

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Slot Details

Kaiser is a 5×5 video slot with 40 pay lines. Wins are awarded for connecting three or more symbols from left to right on adjacent reels. March for your Kaiser, from 0.20 credits to 40 credits per spin. This game has medium volatility with a hit frequency of roughly 1 in 5 and a solid RTP of 97%.

The game is set in 1914 at the start of the First World War and loosely based around ‘The Good Soldier Švejk’, a book by Jaroslav Hašek – the most translated novel of Czech literature and a popular satire of military organisation and war. A defensive trench looks across a grey and barren war-torn landscape, providing the backdrop, with our good soldier Hans beside the play area in a comically awkward pose wearing an out of place smile.

An old railway signal pops the display for the random base feature multiplier and rain pelts during the bombing of the free spins, introduced by a Red Cross ambulance and a knife game animation to determine the number of roaming multipliers. Brass band instruments announce features and grace the melodic soundtrack which remains calm during the base game, with echoes of war in the distance. Kaiser is full of interesting touches and humorous animations, well-polished and graphically astounding.

Peter & Sons kaiser base game screenshot

The pay symbols begin at the low end with 10, J, Q, K and A, awarding up to 2.5x your bet for five of a kind. Cheese and Pretzel symbols pay up to 5x your stake for five of a kind and the top paying symbols of the Officer and Nurse award up to 15x your bet for five of a kind. Standard Wilds are beer labels for ‘Wild Pilsner’ changing to the Imperial Eagle for the features, paying 20x your bet for five of a kind and substituting for all symbols except for the scatters. A gold desk box, containing mugshots of stray dogs, features on reels 2, 3 and 4 as the scatters, which trigger the free spins bonus for landing all three.

Kaiser Slot Features

Peter & Sons steered away from the Super Bonus style of previous releases such as The Mafiosi and Rome: The Conquerors, for the creating of Kaiser. Opting instead for more balanced features. Already established as a graphically superior developer, Kaiser raises the bar again, during Peter & Sons infancy, with wacky animations and depth of theme. Let’s peek over the sandbags for a look at the features.

Peter & Sons Kaiser Random Wilds Feature screenshot

During the base game, Kaiser has a random Wild Multiplier feature, which drops 3 to 10 wilds anywhere on the reels and switches the top left Multiplier Signal into play as an x1, x2 or x3 multiplier. Beginning at x1 for the first random trigger of the feature, with any subsequent triggers increasing the multiplier to x2 and then x3. The next random trigger will return the signal back to an x1 to repeat the cycle. Wins connecting with the Wild Multiplier feature are multiplied by the value displayed.

Peter & Sons Kaiser Free Spins Bonus screenshot

Landing three scatter symbols will award 7 Kaiser Free Spins. The bonus starts by placing 3 to 10 Roaming Wild Multipliers on the reels in random starting positions, which roam between spins, coming to rest with the reels. Landing scatters will increase the wilds’ multiplier level starting at x1, to x2, x3 and then x5. Land one scatter to unlock x2, two to unlock x3 and two more to unlock x5 Roaming Wild Multipliers. Each level gained awards two extra free spins and your current level is displayed, entertainingly, with a dog photo in black and white, for each.

Final Verdict

Kaiser clearly demonstrates the creative confidence of Peter & Sons. The animation and depth of content are outstanding. Tanks roll across the background as flak downs bi-planes, and air-raid sirens disrupt distant marching and melodic music to bombard the animation into the free spins. Plus, if you are a fan of the book, there’s more to watch out for.

As for the gameplay, medium volatility at 97% RTP is desirable and a big attraction. GMBLRS marched Kaiser through well over 1000 spins, mainly because it’s captivating, and frequently saw the random feature and bonus spins. As always, our limited demo play should never be used as a benchmark due to the fraction of spins completed in comparison to the number needed for accurate slot testing.

Kaiser – Frequently Asked Questions (FAQ)

1. Does Kaiser from Peter & Sons come with customisable RTP versions for casino's to pick from?
2. Can the Wild Multiplier value from the base game carry across into the Kaiser Free Spins?
3. How many references are there to 'The Good Soldier Švejk' on Kaiser by Peter & Sons?


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