Fantasy, Dinosaurs, Adventure. Enjoy Lost World, casino game by Swintt. Play on until you find the mind-blowing 1100x multiplier and win the massive payout. This game has 11 paylines for you to bet on and incredible bonuses to go with it. Lost World is a low volatility slot game with an average return to player of 95%. You can have fun playing the Lost World casino game for free or make a fortune with real money. We have various casino games for you to enjoy. You can play the game on your desktop or mobile phone.