Here is the full list of all 27 Ballpoint Universe - there are Infinite achievements.
Things might get weird from here.
Passed wave 60 in Infinite Mode! Wow!
Passed wave 48 in Infinite Mode.
Completed "The Lost Fortress" flawlessly!
Completed "Stone Dragon" flawlessly!
Completed "Treetop Battle" flawlessly!
The end of a page.
The boss of the logicians, your enemy?
Completed "Clearing a Path" flawlessly!
Completed "Stolen Artifact" flawlessly!
Completed "Face Off" flawlessly!
Completed "Target Practice" flawlessly!
Completed "Counter Attack" flawlessly!
Completed "Defenders of the Elder" flawlessly!
Passed wave 36 in Infinite Mode.
The elder revealed the truth of this age for you.
Completed "The Owls" flawlessly!
Passed wave 24 in Infinite Mode!
Completed "Brethren" flawlessly!
Passed wave 16 in Infinite Mode.
Completed "The Demented Doodles" flawlessly!
Completed "Training on the rocks" flawlessly!
Completed "The Battleship" flawlessly!
The hotspot for creativity!
You are a good enough idea.
Passed Wave 8 in infinite mode.
Welcome to the Spring!