Merge TD is an entertaining game developed by Uplink Studios. It is a classic tower defense game that challenges players to combine and merge towers in order to survive waves of evolved monsters and upgrade their defenses. The game has cartoon-style graphics, and up to four players can play the game in a local or online mode. The game also features several customizable options such as different towers, enemies, levels, and game modes that players can switch between. The game's objective is to survive the onslaught of monsters by strategically managing and merging towers in order to increase the tower's defensive power and preventing them from getting destroyed.