You can get Cold Vengeance, Flight of the Data Thief, Ninja Outbreak and Venusian Vengeance together in a bundle for only $9.50!
Cold Vengeance, Ninja Outbreak and Venusian Vengeance are also on sale individually:
Cold Vengeance: https://malec2b.itch.io/cold-v...
Ninja Outbreak: https://itch.io/s/7271/ninja-o...
Venusian Vengeance: https://itch.io/s/7273/venusia...
Includes the following games: