Here is the full list of all 15 Bamboo EP achievements.
5 Kills in Bamboo Heart
Cheap shot
Lmao
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
Become the red faced moon
Become the green faced moon
Catch a ball
It's easier without obstacles
No Johns