Drag the rock into another one with the same number and color in Stone Merge Game. After similar rock combine, rock color and number will be increased. Merge them into a bigger number! You can play this game on all devices. So enjoy and have fun. Stone Merge Game is one of many web based games on Round Games for you to play online without downloading. Stone Merge Game is one of the Puzzle Games at Round Games. It also tagged as a logic and brain game. To play even more free games, view our most played and all games pages. If you want to play more like Stone Merge. Then you can simply check out the games inside the game tags that are the most relevant to your interests or check the Puzzle Games category or check the related games section at the end of the game page.