POPGOES Arcade in POPGOES

Share your creations! Keep it related to POPGOES!
Is there by chance emerald coins in the north forest, or am I wasting time checking? Also is there any emerald coins in the castle?
Was in the middle of typing this earlier but then this channel appeared, so I guess it'll go here instead. (SPOILERS)
I have completed 100% of popgoes arcade 2020 thanks to a secret key