Krakatoa — Slots by Ainsworth

Krakatoa

Published Updated
Game Provider
Ainsworth
Release date
2019-11-01
Type
Slots
RTP
96.43%
Volatility
High volatility
Max Win
x15000
Min Bet
0.3
Max Bet
36.0
Reels
5
Paylines
30
Bonus features
Hold and Win, Jackpot, Multiplier, Stacked symbols, Stacked wilds

Krakatoa Slot Review

Krakatoa is a high-volatility video slot by Ainsworth with a 96.43% RTP and up to 15,000× max win, built around Hold and Win features, jackpots, and volcanic fire visuals.

Below you’ll find key specs, how the Hold and Win bonus typically plays, what bankroll suits the variance, and what to try next if you like jackpot-style mechanics.

Key facts for Krakatoa

ProviderAinsworth
Release dateNovember 1, 2019
Game typeVideo slot
RTP96.43%
VolatilityHigh
Maximum win15,000×
ReelsNot specified
Paylines36
Minimum bet0.30
Maximum bet30.00
Bonus BuyNot specified
Core mechanicsHold and Win, Jackpot, Multiplier, Stacked symbols, Stacked wilds
ThemeVolcano, Fire
Info: stats can vary by casino/version

RTP and bet limits may differ between casinos, regions, or game configurations. Always double-check the in-game info panel before playing for real money.

What Krakatoa feels like

Krakatoa leans hard into a volcano-and-fire vibe: hot colors, explosive accents, and a “big moment” style that fits jackpot-style gameplay.
If you like bold visuals and a straightforward feature set, it’s an easy one to jump into.

How the gameplay works

At its core, Krakatoa is built around standard line-based spins with stacked symbols and stacked wilds to create chunkier hit patterns.
The main excitement comes from a Hold and Win-style bonus that focuses on collecting value symbols and chasing jackpots.

Main features

  • Hold and Win bonus structure (collect-and-respin style gameplay)
  • Jackpot potential during feature play
  • Multipliers that can boost payouts
  • Stacked symbols to increase screen coverage
  • Stacked wilds to help connect paylines

Volatility and bankroll notes

High volatility warning

High volatility slots often pay out less frequently but can deliver larger spikes when features land. Consider using smaller stakes and setting a clear session budget.

What kind of player will enjoy Krakatoa

  • Players who prefer jackpot-style features over complex mini-games
  • Fans of Hold and Win mechanics and “collect symbols” moments
  • Anyone chasing a high ceiling (up to 15,000×) with higher risk

If you want similar gameplay

Try nextWhy it’s a matchWhere to browse
More Hold and Win slotsSame collect-and-respin rhythm, often with jackpot tiersSlots hub
Jackpot-focused gamesDesigned around jackpot triggers, side prizes, and feature spikesJackpot games

How we evaluate slot reviews

  • Math profile (RTP, volatility notes, max win) and how transparent it is
  • Feature clarity: what triggers are easy to understand and verify
  • Player experience: pacing, stake range flexibility, and readability
  • Responsible play fit: whether variance matches typical bankrolls

For the full breakdown of our approach, see Review & Rating Methodology.
If you ever feel play stops being fun, take a pause and check Responsible Gambling.

Written by
Casino content researchers and editors preparing structured reviews, payment guides, provider pages, slot reviews and responsible gambling notes.
Editorial TeamFact CheckedResponsible Gambling
Reviewed by Tommy Reimers
Reviewed by
Tommy Reimers
Founder & Editor-in-Chief @ Search-Casino. Reviews editorial standards, casino rating logic and responsible gambling coverage.
E-E-A-TCasino ReviewsEditorial Review
18+Information only. Always gamble responsibly and check casino terms before playing. Read our Responsible Gambling guidance.

FAQ

What is the RTP of Krakatoa?

The listed RTP for Krakatoa is 96.43%. Keep in mind that RTP can vary by casino or game version, so it’s worth checking the in-game info panel.

Is Krakatoa a high-volatility slot?

Yes. Krakatoa is classified as high volatility, which usually means less frequent wins but bigger payout swings when features connect.

What is the maximum win in Krakatoa?

The stated maximum win is 15,000× your stake. Actual outcomes vary, and a high max win doesn’t guarantee frequent big hits.

Does Krakatoa have a Bonus Buy feature?

A Bonus Buy option is not specified for Krakatoa. If a casino offers any shortcut to features, it should be listed inside the game rules or paytable.

What are the minimum and maximum bets in Krakatoa?

The provided range is 0.30 to 30.00 per spin. The currency and exact limits can depend on the casino and your selected account currency.

Game Screenshots