Games like Monster Duel

Here are some great alternatives to Monster Duel by Yso Corp :
Hide & Merge Monsters
Hide & Merge Monsters
★4.1
Merge War: Monster vs Cyberman
Merge War: Monster vs Cyberman
★4.4
Monster Fighting--gene monster
Monster Fighting--gene monster
★3.6
Mutant Fighting--gene monster
Mutant Fighting--gene monster
★4.1
The Fish vs Grimaze: Merge War
The Fish vs Grimaze: Merge War
★3.2
Merge Anything - Mutant Battle
Merge Anything - Mutant Battle
★4.3
Merge Super - Monster Fight
Merge Super - Monster Fight
★4.6
Playtime Horror Monster Ground
Playtime Horror Monster Ground
★4.5
Merge Master Monster Evolution
Merge Master Monster Evolution
★4.2
Mutant Fighting Cup 2
Mutant Fighting Cup 2
★4.4
Merge Monster Battle Simulator
Merge Monster Battle Simulator
★4.8
Monster Run: Battle Survival
Monster Run: Battle Survival
★4.4
Dino Merge Master Animal Fight
Dino Merge Master Animal Fight
★4.2
Woman Warrior - Monster Battle
Woman Warrior - Monster Battle
★4.2
Superhero Car Merge Battle
Superhero Car Merge Battle
★4.3
Draw Your Monster - Idle RPG
Draw Your Monster - Idle RPG
★3.9