Mystical Mermaid Party Video Slots features undersea world theme with great bonus features.
Its great because it's not easy to find game with 'up to 99 free spins', where bonus is random and can start after any spin or bonus round.
The slot machine is produced by IGT on the 'Game King' platform and belongs to Enhanced Video Slots and compatible with IGT's Party Time Mystery Progressives bonus.
The game has 5 reels, 40 lines, maximum bet of 400 coins and the top prize of 100,000 coins.
Undersea world is quite a popular theme for online slots, there are at least 30 slots featuring underwater life, including also slots with free spins.