Weightlifting minigame
From Summertime Saga Wiki
Description
This training minigame can be played at the gym once you convinced Kevin to help you. To do so, talk to Kevin in the school cafeteria, he requests the main character to find him a replacement for his duty. Meet Erik who agrees if you bring him a new video game.
How to play
Tap the screen or press space key until you fill the bar on the right side of the screen.
Reward
Successful completion provides +1 to Strengh.