You could have downloaded Gemco 1.2 from our software library for free. The most popular version among Gemco users is 1.2. Gemco is categorized as Games. The actual developer of the free program is Red Games. The most frequent installation filenames for the program are: Gemco.exe and gemcomenu.exe etc.
From the developer:
Race to collect Large Gems and use the Red and Blue Speed Bubbles, the Green Warp Bubbles and Dodge or Hide from the fired crosshairs. Gemco is FREE Simple and yet Challenging for all ages. Just collect as many Large Gems as fast you can and then Pop the Large Golden Bubble before the Level Time is up !
You may want to check out more software, such as MachineHell, RoverXPL or Juno Nemesis: Remix Full, which might be similar to Gemco.