Kensington Orbit Trackball

This came out in 2004.

This one is Star Trek looking. No scroll wheel. 2 buttons only.

here's the marketing blurb.

• Trackball Mouse for comfort and precision
• Customizable 2-Button design via TrackballWorks software
• Compatible with Windows (including Windows 8)
• Compatible with chrome os 44 and above, mac os 10.8, mac os 10.9, mac os x 10.10 or above, mac os x 10.11, mac os sierra 10.12, mac os 10.13 or above, xp and vista
• Orbit Optical Trackball Mouse
• Comfortable for left or right-handed users
• Compact design, stays put and takes up less space
• It's inexpensive, looks cool and performs well
• Five year warranty

though, someone used this trackball to play the game osu well!

for osu game, see Test Your Mousing Efficiency!

Light Mod

Alternatives

This is better.