Game Information
Show More
Provider
WGS
Type
Slots
Reels
5
Min Bet
0.01
Max Bet
10
Max Win per Spin
50000
20,000 Leagues Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | WGS Technology |
| Release Date | 2009 |
| Theme | Nautical, Underwater Adventure |
| Layout | 5×3 |
| Paylines | 25 |
| Bet Range | 0.01–250 |
| Core Mechanics | Substitution Wilds, Free Spins with 2× multiplier, Autoplay, Mobile-compatible |
| Technology | HTML5 (mobile-compatible) |
| Release Year | 2009 |
Mathematical & Payout Model
Return to Player (RTP)
94.5%
Volatility
Medium
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Shark, Treasure Chest | Thematic items offering moderate payouts. |
| High Tier | Captain Nemo, Diver | Highest paying symbols. Top hits available with full combinations. |
| Wild | 20,000 Leagues logo, Submarine | Acts as a substitute / feature trigger per game rules. |
20,000 Leagues Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins | Logo wild on reel 3 + submarine wild(s) | 10 free spins | Wins are doubled during free spins | Can retrigger additional free spins |
Frequently Asked Questions (FAQ)
| What is the RTP of 20,000 Leagues? | The RTP is approximately 94.5%. |
| How do I trigger the free spins? | Land the 20,000 Leagues logo wild on reel 3 together with at least one submarine wild to trigger 10 free spins with a 2× multiplier. |
| Can free spins be retriggered? | Yes, free spins can be retriggered by landing the triggering combination again during the feature. |
| What is the maximum jackpot? | The maximum jackpot is 50,000 coins. |
| What is the betting range? | You can bet between 0.01 and 250 per spin. |
20,000 Leagues Performance Summary: Strengths vs. Weaknesses
Strengths
- Engaging underwater theme
- Wide betting range
- Free spins with multiplier
- Mobile compatibility
Weaknesses
- Low RTP
- Outdated graphics
- Limited bonus features
Overview
20,000 Leagues is a nautical-themed video slot by WGS Technology released in 2009. Featuring a 5×3 layout and 25 paylines, it offers substitution wilds, free spins triggered by wild combinations, and a maximum jackpot of 50,000 coins. The RTP is relatively low at 94.5%, with medium volatility and a broad betting range.
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.
Latest posts by Rachel Pine (see all)
- 11 Best Drop and Wins Slots Everyone’s Playing Right Now (UK) - January 14, 2026
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025