Oceans have always fascinated people, so obviously quite a few online slots are inspired by these theme.

The Playtech game called Great Blue is very simple. The background is deep blue and the symbols include sea turtle, pearl, starfish, seahorse, tropical fish and shark. The wild symbol is a whale. It doubles the payout and performs great animations. The bonus game is triggered by the pearl. You pick two out of five closed shells to win free spins.

The symbols in Ocean Dreams by Real Time Gaming are similar, but the game is richer. The wild symbol is an orca. Five orcas mean a 40,000 coins jackpot. A special wild symbol that doubles payouts is a golden orca. Five island symbols mean 100 free spins. Orca symbols turn into golden orcas during free spins. There are two randomly triggered progressive jackpots and the Win-Win Bonus feature.

Rival Gaming’s Ocean Treasure has symbols related to looking for treasures, such as compass, snorkel, flipper and scuba gear. There are ocean creatures too. The wild symbol that doubles the payouts is a puffer fish. The bonus game is activated by the clamshell symbol. You pick clamshells and can win bonus credits. The realistic water sounds are amazing.

Microgaming game called Mermaids Millions focuses on the fantasy aspect of oceans. The scatter symbol is the mermaid and the wild symbol is Neptune. Other symbols are various ocean creatures, pearls and treasures. There are both a bonus game and free spins.