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