Game Information
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Provider
Playtech
Type
Slots
Reels
5
Min Bet
0.01
Max Bet
5
Max Win per Spin
500000
Great Blue Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Playtech |
| Release Date | 2013-06-14 |
| Theme | Underwater, Ocean, Animals |
| Layout | 5 reels, 25 paylines |
| Paylines | 25 |
| Bet Range | Varies by version/operator |
| Core Mechanics | Wild symbol doubles wins, Scatter triggers free spins, Pick‑and‑click bonus for free spins and multiplier, Gamble feature to double wins |
| Technology | HTML5 |
| Mobile | Playable on mobile devices |
Mathematical & Payout Model
Volatility
High
Max Win Potential
20000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 9, 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Starfish, Seahorse, Goldfish, Turtle, Shark | Thematic items offering moderate payouts. |
| High Tier | Killer Whale (Wild) | Highest paying symbols. Top hits available with full combinations. |
| Wild | Killer Whale | Acts as a substitute / feature trigger per game rules. |
| Scatter | Pearl Clam | Triggers free spins / bonus round when enough appear. |
Great Blue Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins Bonus | Three or more scatter symbols | 8 free spins with 2x multiplier | Pick two shells to increase free spins and multiplier | Up to 33 free spins and up to 15x multiplier |
| Gamble Feature | After any winning spin | Guess card color to double win | Can gamble repeatedly until loss or collect |
Frequently Asked Questions (FAQ)
| How do I trigger the free spins bonus? | Land three or more pearl clam scatter symbols anywhere to start the bonus round. |
| How many free spins can I get? | You start with eight free spins and can increase up to thirty‑three via the pick‑and‑click bonus. |
| What is the maximum multiplier in free spins? | The pick‑and‑click bonus can award up to a fifteen‑times multiplier for free spins. |
| What is the top win in the base game? | Five killer whale wilds on a payline pay ten thousand times the line bet. |
| Can I gamble my wins? | Yes. After any win you can use the gamble feature to guess card color and double your win. |
Great Blue Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Engaging pick‑and‑click bonus
- Classic underwater theme
- Gamble feature adds risk‑reward element
Weaknesses
- RTP varies and can be below average
- High volatility may deter casual players
Overview
Great Blue is an underwater themed video slot by Playtech featuring wilds, scatters, free spins, multipliers, and a gamble feature. It offers high volatility and a top win of 10000x the line bet in the base game, with bonus rounds offering up to 33 free spins and up to 15x multipliers.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
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