Diamond Synthesis challenges players to merge blocks in a 6x8 grid to reach the ultimate number 20. The goal is to combine blocks with the same numbers, starting from 1 and progressing to higher levels. Each successful merge rewards players with gold coins, adding a rewarding element to the gameplay.

The game offers simple yet engaging mechanics where merging two blocks with the same number creates a higher-level block. With intuitive controls, players can test their strategic thinking and planning skills. Visually appealing graphics and smooth animations enhance the gaming experience, making it enjoyable to play and aim for new high scores.