Great Blue Slot Review
By 918Kiss
Great Blue is widely regarded as 918Kiss's most iconic slot game, and for good reason. This deep ocean adventure immerses players in an underwater world teeming with killer whales, dolphins, sharks, and sea turtles across a 5x3 grid with 25 paylines. With medium volatility, a 96.03% RTP, and a staggering 10,000x maximum win, Great Blue has earned its legendary status among Malaysian slot players for over a decade.
Play at Maxim88 →| RTP | 96.03% |
| Volatility | Medium |
| Min Bet | MYR 0.25 |
| Max Bet | MYR 250 |
| Paylines | 25 |
| Max Win | 10,000x |
| Grid | 5x3 |
Great Blue Overview
Great Blue holds an almost mythical status within the 918Kiss ecosystem. It is the game that many Malaysian players tried first when they joined the platform, and it remains one of the most played titles years later. The underwater theme is executed with rich blue hues, animated sea creatures, and a soothing oceanic soundtrack that creates an immersive atmosphere. The killer whale serves as the wild symbol, appearing on all five reels and substituting for every symbol except the scatter.
What sets Great Blue apart from other ocean-themed slots is its exceptional free spins mechanic. The pearl scatter triggers a pick-and-click bonus where players select from clam shells to determine their free spin count (up to 33 spins) and multiplier value (up to 15x). This combination of high free spin counts and large multipliers is the engine behind the game's massive 10,000x max win potential. Players at Maxim88 have consistently rated Great Blue as one of the most rewarding slots available on the platform, and its enduring popularity speaks to the quality of its design.
Key Features & Bonus Mechanics
Pearl Scatter Free Spins: Three or more pearl scatter symbols landing anywhere on the reels activate the signature bonus round. Players are presented with a selection of clam shells and must pick to reveal their free spin package. The possible outcomes range from 5 free spins with a 2x multiplier to the coveted maximum of 33 free spins with a 15x multiplier. Free spins can be retriggered during the round by landing three more scatters, making extended bonus sessions possible.
Killer Whale Wild: The orca wild symbol is the highest-paying individual symbol in the game. Five wilds across an active payline deliver a payout of 1,000x your line bet. During free spins, this payout is further amplified by whatever multiplier you selected, meaning a 15x multiplier turns that 1,000x line win into a 15,000x payout — the foundation of Great Blue's legendary big wins.
Gamble Feature: After any winning spin, players can activate the gamble feature to double or quadruple their payout. The card-colour gamble doubles your win, while the correct suit guess quadruples it. While risky, this feature adds another layer of excitement and can amplify smaller wins into more significant payouts.
Tips & Strategy
Bankroll for the free spins: Great Blue's biggest payouts come exclusively from the free spin bonus round, particularly when you land a high multiplier pick. Plan for a session bankroll of at least 250 to 350 times your base bet to give yourself a realistic chance of triggering multiple bonus rounds.
Understand the pick mechanic: The clam shell selection during the free spins trigger is genuinely random, but knowing the possible outcomes helps set expectations. The most common result is 10 to 15 free spins with a 3x to 5x multiplier. The 33-spin, 15x-multiplier combination is rare but life-changing when it hits.
Play all 25 paylines: Great Blue's paytable is structured around all 25 lines being active. Reducing paylines to lower your total bet may seem economical, but it significantly reduces your chances of landing the scatter combinations needed to trigger free spins. Always play all lines and adjust your coin size instead.