合成大恐龙 - 神兽对决 is an iPhone game developed by Mooncake Games Limited. It is a free game in the Games category.

In this game, players slide and merge soldiers to increase their combat power. The goal is to continuously progress through levels and collect magic ink to summon stronger mythical creatures. The game features various characters, including the Archer with long-range deadly shots, the Staff Mage who enables magic attacks for the team, the agile Rock Melt Imp who releases venom, the fierce Red-Brown Wolf with attack bonuses, the sturdy Stone Man with level 3 attack power, the Giant Python and Scorpion who swiftly slide and attack enemies, the Winged Demon with high-altitude attacks and strong support abilities, and the Four-Legged Red Dragon, the ultimate mythical creature that dominates on land, sea, and air.

The gameplay involves merging soldiers on a chessboard-like map to upgrade them, winning battles to earn more coins for purchasing stronger weapons and equipment, collecting cards to summon multiple mythical creatures, and acquiring magic ink to draw out incredibly powerful mythical beasts.