Many people like playing slots just for fun. And this should always be the purpose of playing slots - online or at your local casino.

One of the most asked question is "What are the most common slot types?"

The slots are mostly 2 kinds: 5 reels and 3 reels. And from this classification they "tree out" into different "branches": they may have 5 reels and only one payline, or twenty paylines. Or three paylines and three reels.

Slot machines could also be divided on progressive and not. The progressive slots offer a progressive jackpot which is explained here.