Here is the full list of all 10 Otaku Engine achievements.
Complete the prologue.
Complete 50 Workshop commisions.
Upload a map to the workshop.
Be subscribed to 10 maps.
Be subscribed to 100 maps.
Be subscribed to 1000 maps.
Get 1 like on one of your workshop maps.
Get 10 likes on a workshop map.
Get 100 likes on a workshop map.
Take a picture of penn-1