This takes you into a bonus game where. The original Mr. MINE FIELD. DIAMOND HUNT. Perhaps someone will think that the. RED SCREEN FREE SPINS. Randomly collect diamonds for a Pick 'em bonus. Online game takes us to the underwater marine world in search of Neptune's Gold. 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. Return to player. Game Features. Try Neptune's Gold slot online for free in demo mode with no download or no registration required. Win up to 50, credits with free spins. 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. Moneybags game has a single payline and a coin jackpot. Your maximum bet is 3 coins, and the game is available in. . 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. As you play Neptune's Gold slot games, you can earn free spins by picking up three scatters anywhere on the middle reels. Travel promises to be dangerous and risky.