Here is the full list of all 46 Ubinota achievements.
Win 2 levels with the green paint
Find the cloudologist
Save all the non "!" houses of the night sky
Press the red button without painting anything
Manage to use the red paint
Paint the sugar sky
Save all the non "!" houses of the sugar sky
Win one "!" level
Paint 300 cubes
Suck up 20 paint doses
Save all the non "!" houses of the superintendant's domain
Paint the superintendant's domain
Use 2 paint at the same time
Win a level with a least 5 seconds of suspense
Paint 100 cubes
Suck up 10 paint doses
Turn the equivalent of 3 turn on the same level
Paint 20 cubes
Win a level in less than 15 seconds
Save all the houses of the superintendant's domain, even the "!" ones
Save all the "!" houses of the sugar sky
Save all the "!" houses of the night sky
Study black clouds
Save all the non "!" houses of the red sky
Save all the "!" houses of the red sky
Catch the ghost
Save all the non "!" houses in front of the sky hole
Save all the "!" houses in front of the sky hole
Collect all the ingredients of the recipe
Collect all the non "!" ingredients of the yellow sky
Collect every ingredients in the yellow sky, even the "!" ones
Save the world
Save all the non "!" houses of the ghost sky
Save all the "!" houses of the ghost sky
Save all the houses. Full stop.
Lose the first level
Suck up 100 paint doses
Start again a level despite 5 failures
Use 5 times the yellow paint
Win a second level with the phantom paint
Find and win the hardest level of Ubinota
Win the last level of the first chapter holding 13 cyan paint doses in the tank.
Win the last level of the sugar sky with only 3 paint doses.
Win the last level of the night sky with only 13 doses.
Win the last level of the red sky with only 4 doses.
Win the third level of the yellow sky with only 7 doses.