We’ve got our eyes on the Big X online slot, a medium volatility game from Synot. The X marks all the spots in this fruit slot with multiplying lines, re-spins, and mystery symbols. This game has retro symbols such as fruit, bells, 7s, and diamonds. Plus, landing three mystery symbols anywhere on the reels will award a random payout! But landing a Big X symbol on the center or the middle reel is the goal. That will trigger the re-spin feature, holding the Big X symbol in place as the reels re-spin! The Big X slot machine has a Return…