The rules of Ketchme are the easiest: You do not have to do nothing more than click on the white character on screen, before the time runs out. Every time you catch it, another creature will spawn on screen, making harder to find your target.
Spook
Troll
Daily
Popco
Mahjo
High
Merge
Car S
Shark
Fishy
Tweet
Draug
Renau
Offro
Taxi
You D
Jelly
Papa'
Pizza
Kylie
Monst
Pixel
Battl
Stock
Run
Shado
Emoji
Rescu
Bounc
Grima
Super
Carto
Multi