Here is the full list of all 12 Gato Roboto achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Finish the Heater Core before acquiring the Spin Jump.
It will live on in our memory.
Finish the game with 100% completion rate.
Obtain the Hopper from Rebba.
Obtain the Repeater from Rebba.
Defeat a squeaky foe.
Finish the game in under 1 hour.
Finish the game.
Finish the game without collecting a single health upgrade.
Fix the malfunctioning Heater Core.
Clean up the Ventilation System.
Drain all of the water in the Aqueducts.