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