Here is the full list of all 35 Invincible Presents: Atom Eve achievements.
Complete Episode 10
Recruit Rex for the final battle
Complete Episode 9
Complete all optional fights in a single playthrough
Transform food 3 times in a single playthrough
Complete Episode 8
Complete Episode 7
Eliminate 2 or more enemies with single attack
Scream 5 times in a single playthrough
Obtain a cross-attribute unlock
Complete Episode 6
Complete Episode 5
Save Hiles' life
Use Glue to prevent an enemy attack 5 times
Choose a perk-specific response 5 times
Complete Episode 4
Save Todd's life
Complete Episode 3
Save the ambulance
Complete Episode 2
Eliminate an enemy with a shield break
Diffuse an argument with Mom and Dad
Complete Episode 1
Use a fully charged Ray attack
Obtain all unlocks in single attribute tree
Lose against Killcannon 3 times
Learn about Mom's past
Reveal your identity to Amber and William
Took every chance to complete those college applications
Kiss both Mark and Rex in a single playthrough
Kiss neither Mark nor Rex in a single playthrough
Successfully infiltrate the GDA prison
Hug 7 times in a single playthrough
Befriend Amber
Complete a single playthrough without dying