Astropop
12 Achievements
200
Xbox 360
Xbox One
Xbox Series
Interplanetary Hero
Unlock Vixx and Turbot.
10
How to unlock the Interplanetary Hero achievement in Astropop - Definitive Guide
Maelstorm95
TrueAchievements
TrueAchievements
You unlock Vixx by getting to wave 9 (finishing level 8) with Vector, or the Red one. You unlock turbot with the yellow one after level 16.
aPerfektFIaw
Play through your 2 main characters’ story mode, and you will unlock 1 secret character for each main character before level 20.