Dupio 3.8 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Games, more precisely Arcade. We recommend checking the downloaded files with any free antivirus. This free software was originally created by Falco Software Company.
From the developer:
"Dupio" is an addictive and difficult arcade game, with minimalistic gameplay. Where you should use both hands. Dodge your way to the high score, using keyboard and mouse.
You may want to check out more software, such as MachineHell, RoverXPL or Juno Nemesis: Remix Full, which might be related to Dupio.