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