Neptune's Gold is a 5-reel, line online slot game with bonus round, download, bonus spins, instant play, video slots, wild symbol, scatter symbol. MINE FIELD. Online game takes us to the underwater marine world in search of Neptune's Gold. Return to player. You are going to have plenty of fun when you come on over to our website and play the demo mode or real money version of Neptunes Gold. Your maximum bet is 3 coins, and the game is available in. RED SCREEN FREE SPINS. Game Features. Try Neptune's Gold slot online for free in demo mode with no download or no registration required. Perhaps someone will think that the. DIAMOND HUNT. . This takes you into a bonus game where. Win up to 50, credits with free spins. As you play Neptune's Gold slot games, you can earn free spins by picking up three scatters anywhere on the middle reels. Moneybags game has a single payline and a coin jackpot. Travel promises to be dangerous and risky. Randomly collect diamonds for a Pick 'em bonus. The original Mr. Capturing icons from the story of Neptune, the Roman god of the sea, this game includes 20 paylines set on 5 reels and a treasure chest Free Spins feature that.