Slime Game | Physics puzzle

Combine the slimes to make them bigger!
Can you skillfully combine the bouncing slimes?

[Game Rules]
- Put slimes in the box one by one
- Stack slimes of the same type to evolve them to the next level
- The bigger they get, the more points you earn
- If a slime drops out of the box, its game over

Slimes bounce when they hit objects.
Its up to you whether to utilize the bounce or aim for spots where they wont bounce.
Try competing with players around the world on the ranking!