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.
Finish the game without collecting a single health upgrade.
Finish the game in under 1 hour.
Finish the game.
Finish the game with 100% completion rate.
Obtain the Hopper from Rebba.
Obtain the Repeater from Rebba.
Clean up the Ventilation System.
Fix the malfunctioning Heater Core.
It will live on in our memory.
Drain all of the water in the Aqueducts.
Defeat a squeaky foe.