Kid Ball Adventure (JP)
12 Achievements
0-0.5h
PS4
100 Gems
Collect 100 gems in Adventure Mode.
94.2%
How to unlock the 100 Gems achievement in Kid Ball Adventure - Definitive Guide
The gem achievements are cumulative over multiple playthoughs of levels. You will likely get this on the way to finishing 20 levels, if not then reload a save and replay a few levels.