Mr.Robbo is Untested on macOS
Mr.Robbo has not yet been tested on macOS.
About Mr.Robbo
The game will surely appeal to those who still remember or love the good old 8-bit games from the 80s

A leisurely and exciting passage of 56 levels with endless attempts will allow you to relax and have fun.
Collect all the bolts so that your flying saucer can launch and send you to the next level.
Move items carefully to avoid getting blocked. Otherwise you will have to start the level from the beginning.
Find batteries to charge your weapon and get rid of obstacles or enemies on your way.
Try to choose a direct collision with alien creatures, it is deadly =(
Use portals to access closed places and keys to open doors.
macOS Game Tests
Mr.Robbo tested on macOS.
Mr.Robbo was released natively on macOS, though it may not run on newer versions of macOS.
Mr.Robbo hasn't been tested yet on macOS.