Awards Lucky Wagon Spins with 5 Bonus symbols and a guaranteed persistent Dwarf at a cost of 3,600 times the base bet. Get access to game demos, presentations, or just come by for a chat. Become a part of successful gaming company! There are only four grid sizes: 3×3, 5×5, 7×7 and 9×9. Bigger grid doesn’t necessarily mean higher or lower risk. It’s when you set the number of mines that you can compare risk levels. For instance, 1 mine on a 3×3 grid is riskier than 1 mine on a bigger layout and therefore the payout is higher. Sign in to add this item to your wishlist, follow it, or mark it as ignored Bitsgap Review: Unified Crypto Trading, Arbitrage & Automation O Mines is based on a rectangular grid of cells, where some cells contain mines and others are empty. The goal is to choose empty cells while avoiding those containing mines.