A Plant
Not unlocked yetCollect a plant in any level
The Apprentice
Not unlocked yetCollect 30 plants in any completed level
The Collector
Not unlocked yetCollect 60 plants in any completed level
The Completionist
Not unlocked yetCollect 100 plants in any completed level
No Builders
Not unlocked yetComplete the "Three Paths" level by only using the blow action
Alternatives
Not unlocked yetComplete the "Two sides" level without using the grow action
The Other Way
Not unlocked yetComplete "Cave Story" without using the 3 top-left spirits
First In, First Out
Not unlocked yetSave the middle-left spirit in the "All for one" level
No One Left Behind
Not unlocked yetComplete "A Tree" level without any spirits dying against the spikes
The Dig
Not unlocked yetComplete the "Downwards" level by only using the dig action
Perfect Score #1
Not unlocked yetComplete level 1 to 5 with perfect score
Perfect Score #2
Not unlocked yetComplete level 6 to 20 with perfect score
Perfect Score #3
Not unlocked yetComplete level 21 to 35 with perfect score
Perfect Score #4
Not unlocked yetComplete level 36 to 43 with perfect score