Real screenshot from our demo test, 1 Nov 2026
ELK StudiosReleased 22 Feb 2018
Kaiju Demo & review
An ELK Studios ways game where vertical lasers grow the reels toward 7,776 ways, and beating a monster in the free spins leaves its wild lines sticky.
Written by Hampus GravePublished 2 Nov 2026
Play money · no sign-up · no deposit
- RTP
- 96.3%
- Volatility
- Medium-High
- Max win
- 1,304.4x
- Grid
- 5x3, reels expand up to 6 rows
Play Kaiju for real at YEET
FluxPlays verdict
Our verdict
For a bonus chaser who likes a round that builds, yes. For a max-win hunter, no. Every laser in the Kaiju Battle grows a reel and adds a spin, and lighting all five of a monster's hot spots leaves its wild lines sticky through the spins that remain. The drawback is the ceiling, which is modest for a game ELK rates this volatile.
Who it suits
Play this if…
- Bonus chasers: each laser in the battle adds a row and a spin, so a good round visibly feeds itself
- Learners: the hot spots and the reel heights show on screen exactly what the round needs
- You like a goal inside the bonus: beating the monster turns its wild lines sticky through every remaining spin
Skip this if…
- Max-win hunters: the cap is a fraction of what newer ELK games offer
- Bonus buyers: there is no buy, so every battle has to be triggered by three HA-42 symbols
- Short-session players: the paytable tops out low, so base spins between lasers pay small amounts
Where to play Kaiju
Kaiju is available at these casinos we have tested and reviewed. How we test casinos
YEET
18+ · T&Cs apply
SafeCasino
FluxPlays score 7.5
Skrill withdrawal paid out in 18 hours in our test
400% up to €4,000 + 1,200 free spins
- 40x wagering
- min deposit €10
- 30 days
400% welcome package up to 4,000 over four deposits, each 100% up to 1,000 plus 300 free spins. 40x wagering on bonus and free spin winnings. Minimum 10 to activate, 200 for the full 300 spins. 30 day validity. Free spins run on Pragmatic Play games.
18+ · T&Cs apply · Offer checked 7 Oct 2026
Betlabel
FluxPlays score 7.0
E-wallet payout inside 24 hours in our test
200% up to €1,500 + 150 free spins
- 35x wagering
- min deposit €10
- 7 days
200% welcome package up to 1,500 plus 150 free spins over four deposits: 100% up to 300 + 30 FS, 50% up to 350 + 35 FS, 25% up to 400 + 40 FS, 25% up to 450 + 45 FS. 35x wagering, 7 day window. Minimum 10 first deposit, 15 thereafter. Crypto deposits are not bonus eligible.
18+ · T&Cs apply · Offer checked 7 Oct 2026
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Kaiju: Full Review
In Kaiju, a vertical line of matching symbols fires a laser, and in the bonus every laser pushes its reel upward, reveals a wild and adds a free spin. Light all of a monster's hot spots and its wild lines stay sticky until the free spins run out. ELK Studios released it in February 2018 with no buy, so the bonus has to be earned. It suits bonus chasers who like a round that builds on itself.
Kaiju game information
- Provider
- ELK Studios
- Release date
- 22 February 2018
- Grid
- 5 x 3, reels expand up to 6 rows (reels x rows)
- How it pays
- Ways (up to 7,776)
- RTP
- 96.3% (the only version in the demo)
- Volatility
- Medium-High
- Max win
- 1,304.4x the bet
- Bet range
- $0.20 to $100
- Bonus buy
- Not available
- Hit frequency
- 19.0%
The base game before our first spin, on a $5,000 demo balance. FluxPlays demo test, 1 November 2026.
How Kaiju works
The game starts on five reels of three and pays by ways, and the reels can grow to six rows each, which makes up to 7,776 ways. Pays sit low on the table: the red crystal, the top symbol, pays $3 for five.
| Symbol | Five | Four | Three |
|---|---|---|---|
| Red crystal | $3.00 | $2.00 | $1.50 |
| Blue crystal | $2.00 | $1.50 | $1.20 |
| Green crystal | $1.60 | $1.20 | $0.80 |
| Red unit card | $1.50 | $1.00 | $0.50 |
| Blue unit card | $1.20 | $0.80 | $0.40 |
| Green unit card | $0.90 | $0.60 | $0.30 |
Pays at a $1 bet, converted from the paytable's coins (every bet is 100 coins).
The laser is the idea everything rests on. In the base game, three identical symbols stacked down one reel reveal a wild on the row above it, counted in the same spin, with at most one extra wild per reel. The new wild sits above the stack and can join a way that the three rows alone would miss.
The game menu: the HA-42 bonus symbol and the vertical laser. FluxPlays demo test, 1 November 2026.
Free spins: how they trigger and how the monster is beaten
Three HA-42 symbols, which can land on the middle three reels and nowhere else, start the Kaiju Battle with seven free spins. One of three monsters is drawn at random, and each has its own pattern of five hot spots on rows 4 to 6.
In the free spins a laser fires from a vertical line that starts at the bottom row. It expands that reel upward until the round ends, never past the reel's hot spot, reveals a wild and adds one free spin. When a laser reaches a hot spot, its whole vertical line turns wild. Light the last of the five and the monster is beaten: those wild lines stay sticky for every spin left, and the round's wins are paid at the end.
So the round has two stages. Expansions keep it alive and widen the ways, and only a full set of hot spots turns it into the round the game is built for. ELK describes the red monster as the hardest to beat and the one that pays best.
The help screen for the bonus: three monsters, each with its own hot spots. FluxPlays demo test, 1 November 2026.
RTP, volatility and max win
The demo states one RTP, 96.3%, and lists no other versions. ELK's data sheet gives a volatility of 7 out of 10, which sits at Medium-High on our scale, and a hit frequency of 19.0%.
The top prize is 130,440 coins. Every bet is 100 coins, so that is 1,304.4x the bet, a low ceiling for a game rated this volatile. One review site gives 10,000x, but the rules and ELK's own data sheet both put it at 130,440 coins.
The paytable in coins, with the 7,776 ways at the top. FluxPlays demo test, 1 November 2026.
Our Kaiju demo test
FluxPlays demo test
1 November 2026, demo running 96.3% RTP
Base game spins
100
at $1 per spin
Staked
$100
Paid back
$65.10
65.1% of stake, -$34.90
Winning spins
18 of 100
18% of spins paid something
Biggest win
$15.70 (15.7x)
second Kaiju Battle against the red Kaiju: 12 free spins (7 plus 5 from reel expansions), reel 2 grown to 5 rows, Kaiju not beaten; not captured, amount from the server log. The first battle (spin 8) paid 6.60.
Free spins triggered
2
natural triggers in the session
Tested on ELK Studios' official demo launcher (game id 10023, rules last updated 2021-05-11) on 1 November 2026, in USD from a $5,000.00 demo balance, at the $1.00 bet the demo opened with (100 coins). The window rendered slowly, so the page's animation timers were driven by script; game logic and server calls were untouched. Session: $100.00 staked, $65.10 back, ending at $4,965.10 on the server and on screen. The game has no X-iter, bonus buy or paid mode.
The bonus came early and twice, on spins 8 and 18, and both rounds showed the expansion stage working. The first ran to ten free spins and the second to twelve, every extra spin earned by a reel growing. Both were fought against the red monster, and neither lit all five hot spots, so no wild line turned sticky. The second round paid $15.70, the best result of the session, with reel 2 grown to five rows.
Spin 8: three HA-42 symbols started the first Kaiju Battle, which paid $6.60. FluxPlays demo test, 1 November 2026.
After spin 27 the game went quiet, and nothing in the last 70 spins paid more than $3.90. Two bonuses show how the round plays, not how often it comes or what the game returns. The blue and green monsters never came up and no monster was beaten, so the sticky wild lines are described from the rules.
Is Kaiju worth playing?
Yes, if you want a bonus you watch build rather than one you buy. Every expansion is visible progress, a new row and a new spin, and the hot spots give the round a goal you can see from the first free spin. The price is the ceiling: even a beaten monster works inside a cap of about thirteen hundred times the bet.
Pick Pirots for ELK's later idea of a grid that grows, with bombs, collecting birds and a buy menu. Kaiju is the choice for the simpler version, where the whole story is lasers, rows and one monster to beat.
In the demo, look at the hot spots when the battle opens. The pattern shows which reels need to grow, so you can see which laser matters before it fires.
Frequently Asked Questions
How do you beat the monster in the Kaiju Battle bonus?+
Light all five of its hot spots. Lasers from vertical lines that start on the bottom row grow their reels upward, and a laser that reaches a hot spot turns its whole line wild. Once the last hot spot is lit, those wild lines stay sticky for the remaining free spins. We fought the red monster twice and lit only part of its pattern.
How do you trigger the bonus in Kaiju?+
Land three HA-42 symbols, which appear on the middle three reels alone. They start the Kaiju Battle with seven free spins against a monster drawn at random, and every reel expansion during the round adds one more spin. There is no way to buy the round.
What is the max win in Kaiju, and how is it reached?+
It is 130,440 coins, which is 1,304.4x the bet because every bet is 100 coins. ELK does not say which route reaches it, though it describes the red monster as the hardest to beat and the best paying.
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