Just like the number of paylines, the return to player (RTP) rate and volatility of 3D slot machines will vary from game to game. All paylines on 3D slot machines exist on a 2D plane there are no slots offering paylines in three dimensions.
Some developers create slots with many paylines that go into the thousands, whereas other casino software providers keep it simple and only offer a handful of paylines.
The paylines of a 3D slot machine will vary from game to game. While the designs may be in 3D, the gameplay is still played on a 2D plane. These games offer a higher-quality viewing experience, as they can render designs and animations that can not be achieved in a traditional 2D slot. 3D slots are online slot games that offer graphics and animations in 3D.