Here is the full list of all 21 Robolife2 - there are Nova Duty achievements.
Encounter Nova
Equipped Prototype Head
Encounter Emmie
Encounter Joy
Encounter Alisa
Encounter Sophie
Win the cooking competition
Rescue mission successful
Win the Android Sport Festival
Complete Emmie's side quest
Complete Twins' side quest
Complete Alisa's side quest
Complete the Destiny route
Complete the Champion Route
Complete the Liberation Route
Unlock Epilogue
Complete Emmie's epilogue
Complete Alisa's epilogue
Complete Twins' epilogue
Defeat Sophie in the epilogue
Complete Epilogue