Enjoy Big Max Upgrade, casino game by Swintt. Play on until you find the mind-blowing 500x multiplier and win the massive payout. This game has 10 paylines for you to bet on and incredible bonuses to go with it. With a 95% return to player and low-medium volatility, you'll be sure to keep coming back for more. Playing a game for free is always an option, but the possibility of winning big when betting with real money can be quite tantalizing. So come on down and try your luck with the Big Max Upgrade! You can play the game on your desktop or mobile phone.