RTP: 96.3% / Variance: HIGH
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elk studios

Kaiju means “strange beast” in Japanese and is a Japanese film genre with giant monsters attacking cities. In the case of the Kaiju slot machine, it’s down to HA-42 to save the World.

It’s worth watching the intro before the game starts as it’s visually appealing. This is one of Elk Studio’s futuristic slots with a massive 7.776 ways to win where you, as a player, get to battle the Kaiju. With an above average RTP of 96.3% and high volatility, Kaiju is worth playing for real money.

Kaiju starts with a 5×3 grid and 243 ways to win but the amount of ways to win can be expanded to 7.776.

Wagering and Gameplay

This game has five reels and three rows set on a backdrop of a major city in Japan.

Kaiju can be played for real money from $/€ 0.20 to $/€ 100 per spin and is available on smartphones, tablets and PCs.

The symbols on the reels resemble red crystals, purple crystals, green gems, HA-42 and voucher cards. HA-42 is a female cyborg with superhuman strength, and she can move at the speed of light.

It’s her task to rid the Kaiju of their gems and crystals as these turn the Kaiju into angry beasts.

The most rewarding symbol beside the wild and bonus symbol is the red crystal, which rewards you with 300 coins if you get five on a pay line.

kaiju slot

Kaiju Bonuses

There is a bonus round with different features to be played.

This is the Battle Bonus Game that gets activated as soon as you have three HA-42 bonus symbols on the reels 2, 3 and 4.

The bonus game starts with seven free spins and a random Kaiju with individual hot spots is selected as your opponent. Every reel expansion will add one extra turn!

The hot spots on these deadly monsters can be activated by vertical lasers that have three different features;

  • Reel Expansion: Vertically connected identical symbols reveal a wild and expand the reel upwards. The expanded reel stays in place for the remaining free spins.
  • Hot spot Activation: If a vertical laser hits one of the hot spots, it can turn the symbols into wilds.
  • Sticky wilds: When the vertical laser hits the last hot spot, the symbols in that vertical line turn into wilds.

During the bonus game, you will see the letters KAIJU above the reels. Reaching these letters will activate the sticky wilds!


This highly volatile slot is a lot of fun to play, especially during the bonus feature, where you get the chance to maximize your winnings.

Elk Studio’s produce high-quality games, but this is one of their best games yet!

The graphics are stunning, and the introduction video is impressive. Other slots we can recommend from this fantastic software developer are Lakes Five and Route 777.

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