No specific info about version 8.1. Please visit the main page of Tower on Mac Informer.
Drawn The Painted Tower is an addictive puzzle game.
FAIRY TOWER is a nice pinball game in which you need to score points.
It is a hidden object game full of tasks to accomplish and puzzles to solve.
Gitifier is an application that runs in your MacOSX menu bar.
Water Tower 3D is a very simple platform game where you need to climb a tower.