Sorry for the confusion.
It means that you are a prestige tier 1.
The gameplay tier is cleared when you beat phase 20, and the challenge is unlocked.
https://tenpastudio.itch.io/incremental-cubes-prototype3-v2
you have to start from the beginning.
We have added it in this version.
A simple game to find items! online 2 player games
How to play
Find many of the items listed below within the time limit.
https://tenpastudio.itch.io/mrmitukeru-online-2-player-games