The Book of Gates is videoslot with 3 additional rows at the top of the reels. Play Book of Gates where the extra rows are gradually uncovered during RESPINs. Each win grants a RESPIN. When the player wins the first RESPIN, one additional row is shown. Each reel may have reel size from 3 to 6 symbols and there are up to 7776 ways to win. When the second RESPIN is hit, the second hidden row becomes available, each reel may contain from 4 to 7 symbols, and there are up to 16807 ways to win. The third RESPIN awards the player with the last of available additional rows and allows for reel size from 5 to 8 symbols per reel. During the third RESPIN there are up to 32768 ways to win. RESPIN is offered until there are no new win, or there are no rows left to unlock.