15.1 &nbsp.          User acknowledges and agrees, and hereby grants to Dorado Games a perpetual, irrevocable, non-exclusive, worldwide, royalty-free license, with the right to sublicense, to use, track, store, index, cache, copy, distribute, broadcast, transmit, publicly display and perform, reproduce, digitally perform, modify, create derivative works of, and otherwise use and commercially exploit: (1) User’s Game scores.