Make all Zoobies the same color. You start with 1 Zoobie (top left). Change your current Zoobies to another (pick a Zoobie on the right) and grow your group of the same Zoobies.
Other
Ski Sim 
Rapidz 3D 
Alias Runner Apocalypse 
Blow Fish 
Big Truck Adventures 
China Mahjong 
Christmas Bubbles 
Audi S6 Puzzle 
Tap the Frog 
Heroestick War 4 
Winter Magic 
Jolly Jong Journey 
Donatosaur 2 
Aston Martin Puzzle 
KubeX 
Racing Car Five Difference 
Flappy Eros 
The Lost Warrior 
Bubble Shooter 6 
Real Soccer 
Frontline Defender 
Island Defense 
Mole Mines 
Bugatti Hidden Tires 
Audi RS1 Puzzle 
Dirt Bike 2 
Easter Bubble 
Numbers in the City 
Cup Stacking 
Sim Rescue 
Mystery Paradise 
Squash