"Merge Items" typically refers to a gameplay mechanic found in certain mobile games where players combine or merge similar items to create more powerful or advanced versions. This mechanic often involves merging items of the same type or rarity to obtain higher-tier items or unlock new features. The specific implementation and rules of the "Merge Items" mechanic can vary depending on the game. Examples of games that feature this mechanic include Merge Dragons, Merge Magic, and Merge Dragons!. Players typically engage in strategic decision-making to optimize their item merging and progress in the game.