Merge numbers by combining gears and balls to create larger values. Collide numbers to achieve higher scores. Upgrade numbers through collisions. Track progress and adjust settings for gameplay.
Survive waves of zombies by tapping to attack and use skills. Recruit superheroes and villains to aid in combat. Progress through levels and unlock unique characters with special abilities.
Build and upgrade a to defend against enemies. Manage resources to strengthen defenses. Make strategic decisions to overcome challenges. Complete levels to progress through the story. Unlock new units and abilities.
