Megaways are one of the newest trends on the market. Its essence is to add to the game hundreds or thousands of ways to win, which are a variation of the classic lines. Some of the best free online slots come with 1000, 10,000, and 100,000+ ways to win. Sometimes only a few are available at first, and you will get more as you progress through the game. This approach makes the gameplay unpredictable, and users have more motivation to spin the reels.