777 Reels, nine lines, and only two rows are all you need to hit a massive Jackpot. Get your device ready, place your bet, and wait for it to hit the jackpot. 777 wild substitutes any "7" symbol with multiplied winnings. There are several 777s, and all of them carry multipliers. There are some other symbols, such as "bars," that carry multipliers too. Enjoy the game and its simplicity.