Play Dolphin Reef Video slots by NextGen Gaming online. This free slot features: 5 reels, Bonus Rounds, Scatter Symbols, Wild symbols. Play free Dolphin Reef slot to explore the marine life. Microgaming is the creator of this colorful slot game. The game is powered with 5 reels. Play Dolphin Reef, and enjoy the 20 lines game where you can also set your game via Auto Play, or your bet via Bet Max. Here your wins will be in the company.