Here is the full list of all 33 Portal Mortal achievements.
Use launch pad to get out of Moonbase
Beat every single level on Moonbase
Complete every level on Moonbase on hardcore mode
Collect all the items on Moonbase
Beat every single target time on Moonbase
Activate portal and make sure it works
Beat every single level in Space
Complete every level in Space on hardcore mode
Collect all the items in Space
Beat every single target time in Space
Find a way out of the Earth
Beat every single level on Earth
Complete every level on Earth on hardcore mode
Collect all the items on Earth
Beat every single target time on Earth
Do the impossible and get out of Hell
Beat every single level in Hell
Complete every level in Hell on hardcore mode
Collect all the items in Hell
Beat every single target time in Hell
Fix the issue and complete 65 Cancri e
Beat every single level on 65 Cancri e
Complete every level on 65 Cancri e on hardcore mode
Collect all the items on 65 Cancri e
Beat every single target time on 65 Cancri e