This 5 x 3 cascading reel slot is made by Rebcat, and boasts 25 play lines. Themed to mimic a cave exploration, Crystal Rift online slot is exciting and most importantly, good fun for all players. What I like: that you can bet for as little as $0.25. What you may not like: you can only bet up to $50. However, this lower stake limit can make it appealing to players on a budget. While there aren’t a ton of bonus features, you will enjoy the basics like wilds, scatters and respins.