A paytable button is a useful feature that will enable you to view different functions of the game and make adjustments as needed. Most online slot games have paylines with a fixed number, while others have multiple lines, so you can adjust how many you want to activate on each spin. The paytable graphic will also show the symbols and payouts for each line. When the paytable window is open, you can activate the spin and begin winning. The paytable button will also let you know how many credits you’ve bet on the spin.
The payback percentage is another key element to consider when choosing an online slot. This number is often called the return to player, and tells you how much you can expect to win on any given online slot game. In general, the higher the payback percentage, the higher your odds of winning are. As long as you play responsibly, this figure is a good indicator of whether an online slot is worth your time. It is also important to note that different online slot games offer different bonuses.
Classic slots are based on the old arcade machines, and are perfect for beginners and purists alike. These machines feature three rows and columns of symbols, and most retro online slots use only the middle row as a payline. Other types of online slots have up to five paylines. The paylines will run across the bottom, middle, and top lines. Some classic slots also feature diagonal paylines. Some progressive jackpots may require a minimum bet.