Fish Boom
Play Fish Boom slot by InOut Games for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.
Only 0.5% of slots combine Bonus Bet and Random Reward.
The Slot Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.
Why this score
Partial data (71%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.
True Cost to Play
Expected average based on this slot's 96.3% RTP — individual sessions vary with volatility.
Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.
Bankroll survival simulator
Compare Fish Boom with other games
 Fish Boom Score 61This game |  Dolphins Gold Score 52 |  Ocean Pearl Score 50 |  Pirates Smugglers Paradise Score 72 |  Koi Trio Score 54 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | |||||
| Released | 11/17/2025 | 7/21/2014 | 8/20/2018 | 10/19/2018 | 6/9/2025 |
| Math | |||||
| RTP | 96.3% | 94% | — | 96.3% | — |
| Volatility | — | Medium volatility | — | Medium volatility | — |
| Max win | — | — | 2,700× | 1,243× | 1,800× |
| Format | |||||
| Reels | 5 | 5 | 5 | 5 | 5 |
| Layout | 5x3 | 5x3 | 5x3 | 5x5 | 3x5 |
| Paylines | 1 | 25 | 10 | 25 | 243 |
| Min bet | 0.01 | 0.25 | 0.10 | 0.20 | 0.58 |
| Max bet | 150.00 | 25.00 | 100.00 | 100.00 | 5.80 |
| Features | |||||
| Progressive | — | — | — | — | — |
| Wild symbol | — | ✓ | ✓ | — | ✓ |
| Free spins | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scatter symbol | — | ✓ | ✓ | ✓ | ✓ |
| Multiplier | — | — | ✓ | ✓ | — |
| Bonus game | — | ✓ | — | — | ✓ |
| Respins | — | — | — | — | — |
Every number is shown as a delta against Fish Boom.
Explore More Games with Similar RTP
| Game | Provider | RTP | |
|---|---|---|---|
 | Neon Frames | 96.26% | |
 | Mega Merry Gifts | 96.27% | |
 | La Bomba | 96.27% | |
 | Sizzling Joker | 96.28% | |
 | Break Away | 96.29% | |
 | Fish Boom | 96.3% | |
 | Lucky Fortune | 96.3% | |
 | Royal Crown | 96.31% | |
 | Stellar Jackpots with Chilli Gold x2 | 96.32% | |
 | Leprechaun's Golden Rainbow | 96.33% | |
 | Buster Hammer Carnival | 96.34% |
- Neon FramesBackseat Gaming96.26%
- Mega Merry GiftsEvoplay96.27%
- La BombaSide City Studios96.27%
- Sizzling JokerEnrich Gaming96.28%
- Break AwayGames Global96.29%
- Fish BoomInOut Games96.3%This game
- Lucky FortuneWazdan96.3%
- Royal CrownSpearhead Studios96.31%
- Stellar Jackpots with Chilli Gold x2Lightning Box96.32%
- Leprechaun's Golden RainbowSection 8 Studio96.33%
- Buster Hammer CarnivalReelPlay96.34%
Questions & Answers
Fish Boom FAQ
When you play Fish Boom, you may expect an RTP of 96.3%.
A demo mode for Fish Boom has not been released.
Fish Boom works well on both iOS and Android.
Players can place real-money wagers on Fish Boom and win actual cash prizes.
Fish Boom doesn't have a Bonus Buy feature like other newer slots do.
Yes, players can unlock Free Spins during base game spins in Fish Boom.
Fish Boom focuses on traditional gameplay without the Megaways system.
Sadly, Fish Boom doesn't have a progressive jackpot.
