Bonus Slots

20,000 Leagues - Slot with Free Game Bonus Feature

Cryptologic 20,000 Leagues

This slot game is a 5-reel 9 paylines slotmachine with a free game bonus feature. The maximum prize is the 5,000 coins when you get 5 captain symbols on a payline.

This machine accepts $0.05, $0.10, $0.25, $1, $2 and $5 coins. The maximum number of coins is 9. Every coin bet will activate another payline.

The submarine symbols are wild and substitute for all symbols except for the '20,000 Leagues' symbol. They appear on reels 1,2,4 and 5. On reel 3 there is the '20,000 Leagues' symbol that is also wild and will start the bonus game. This symbol has some cool special effects.

The Bonus Feature

The bonus game is triggered when one or more submarine symbols appear with '20,000 leagues'. This '20,000 Leagues' symbol only appears on reel 3. With every submarine symbol appearing with the '20,000 Leagues' symbol, 10 free games will be added. All wins during the free games are doubled. The free games will autoplay themselves while a tune is playing. If you hit a submarine and a the '20,000 leagues' symbol during the free games, the extra free games will be automatically added.

Play 20,000 Leagues at:


Bovada Casino

Up to $3,000 bonus
For US, Mexico and Brazil
200+ Different Casino Games
Bitcoin accepted

Casino Max

Up to $9,000 welcome bonus
Special slots bonuses
200+ Different Casino Games
Bitcoin accepted

InterTops Casino

100% (max $100) 1st deposit bonus
Download and Instant Play
300+ Different Casino Games
Also: Sportsbetting and Poker