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