Fish Boom by InOut Games is an action-packed, arcade-style instant-win game that takes you deep underwater. Cast your nets, detonate aquatic targets, adjust your risk settings, and hook multiplier rewards up to 1,000x your stake!


Fish Boom is a vibrant, aquatic-themed instant-win title developed by InOut Games. Blending elements of classic arcade fishing games with high-stakes casino mechanics, Fish Boom delivers fast-paced rounds filled with colorful marine life and explosive payouts.
Instead of traditional slot reels, players engage with an interactive water grid where every target hit can lead to big rewards. With adjustable risk parameters, Fish Boom appeals to both cautious strategists and players seeking high-volatility action.
SpecificationDetailsDeveloperInOut GamesGame CategoryInstant Win / Arcade / FishingGame ModeSingle PlayerRTP (Return to Player)~96% – 97%Max WinUp to 1,000x total stakeVolatility / RiskAdjustablePlatformDesktop, Tablet & Mobile (HTML5)Free DemoAvailable
Set Your Wager: Choose your bet size per round using the control panel.
Select Risk Level: Choose your preferred risk mode or multiplier target.
Launch & Detonate: Press Play to trigger the round and target marine spots on the grid.
Collect Multipliers: Win immediate cash payouts whenever your hit triggers a winning multiplier!
Eye-catching graphics and smooth underwater animations turn standard betting rounds into an engaging fishing arcade experience.
Set your risk parameters before starting the hunt:
Low Risk: Higher hit frequency with smaller, consistent multipliers to stretch your gameplay.
High Risk: Larger target payouts with maximum multipliers reaching up to 1,000x.
Built on lightweight HTML5 technology, Fish Boom runs smoothly across all mobile devices, allowing for seamless touchscreen interaction and instant payouts.
Get access to game demos, presentations, or just come by for a chat. Become a part of a successful gaming company.
Contact us