Kaiju slot by Elk Studios

Kaiju Slot by Elk Studios

Kaiju is a slot by Elk Studios, released in 2018.

★ 4.5 (45,477)Elk StudiosRTP 96.3%Medium-high volatility

Game facts

ProviderElk Studios
Game typeSlots
Release dateFebruary 2018
RTP96.3%
VolatilityMedium-high volatility
Reels × rows5 × 3
Pays243 ways to win
Bet range0.20–100
Bonus buyNo
Wild symbolYes
JackpotNo
FeaturesVertical LaserExpanding ReelsSticky wilds
ThemesMonsterSci-FiRobots
DevicesDesktop and mobile browsers (HTML5)
AppYes — how to install

Free demo of Kaiju

Kaiju also has a free demo mode with virtual credits.

Play Demo

The demo uses virtual credits: no deposit, no real-money wins.

Where to play for real money

Real-money play is only for adults and only at licensed online casinos where online gambling is legal for you.

How to play Kaiju

Bet range: 0.20–100

  1. Match identical symbols on adjacent reels from the leftmost one.
  2. A vertical run of three or more identical symbols fires a laser.
  3. The laser drops a wild onto the row above the run.
  4. Three Cyborg HA-42 scatters start the Kaiju Battle bonus.
  5. Expansions during the battle add extra free spins.

Bonus features

  • Free spins

    3 Cyborg HA-42 scatters on reels 2, 3 and 4 trigger the Kaiju Battle with 7 free spins; each reel expansion toward a hot spot awards 1 extra free spin.

  • Vertical Laser

    three or more identical symbols connected vertically fire a laser that places a wild on the row above; wilds appear only this way.

  • Kaiju Battle

    a random Kaiju opponent is chosen, and lasers expand the reels upward to activate its hot spot pattern; each expansion adds 1 free spin.

  • Expanding Reels

    the reels grow upward during the bonus, raising ways from 243 up to 7,776.

  • Sticky Wilds

    activating the last hot spot turns the winning symbols into sticky wilds for the rest of the free spins.

In the battle, lasers expand the reels upward toward a chosen opponent's target layout. Filling the final position changes the symbols that completed it into wilds, which remain in place until the free spins finish.

RTP and volatility

RTP versionReturn per 100 staked
96.3%96.30

Medium-high volatility — Payouts land roughly once in every few spins, while the largest outcomes sit far out in the tail, so single sessions swing widely around the average return.

Kaiju app: download and install

The Kaiju app for Android downloads with the button on this page.

  1. Tap the download button on this page to get the installation file.
  2. When Android asks, allow your browser to install apps from this source.
  3. Open the downloaded file from your notifications or downloads folder.
  4. Confirm the installation when prompted.
Install app

FAQ

What is the RTP of Kaiju?

The default RTP of Kaiju is 96.3%.

How volatile is Kaiju?

Kaiju has medium-high volatility.

How do free spins work in Kaiju?

3 Cyborg HA-42 scatters on reels 2, 3 and 4 trigger the Kaiju Battle with 7 free spins; each reel expansion toward a hot spot awards 1 extra free spin.

Can I play Kaiju for free?

Yes. Kaiju has a free demo mode with virtual credits: no deposit and no real-money wins.

How do I install the Kaiju app?

The Kaiju app for Android downloads with the button on this page. The installation steps are above on this page.

How does the Vertical Laser change a spin?

Three or more matching symbols connected vertically trigger the laser, which places a wild on the row above that trio. Wilds are generated only by this process.

What happens when the player reaches the last marked position?

It locks the symbols that filled the final position as wilds, so they stay active through the remaining free spins instead of clearing after one win.

Similar slots

18+. Gambling involves risk; play only where online casinos are legal for you.

Updated: Nov 2, 2026

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