Here is the full list of all 15 Bamboo EP achievements.
Defeat your sifu
30 Kills in Bamboo Heart
20 Kills in Bamboo Heart
10 Kills in Bamboo Heart
No Johns
Catch a ball
Become the green faced moon
It's easier without obstacles
Become the red faced moon
Lmao
Cheap shot
5 Kills in Bamboo Heart
50 Kills in Bamboo Heart
100 Kills in Bamboo Heart
Defeat the hidden demon boss