Blue's 123 Time Activities is a 1999 educational game developed and published by Humongous Entertainment.

The game works on Windows 95 and above, and on System 7.5.3 (with PowerPC) to Mac OS X Tiger.

This educational point-and-click game teaches players maths through fun activities, as they help Steve Burns and Blue and their friends accomplish goals and tasks.

[10] Games First liked the difficulty system as "children can play at their own developmental level and progress as their skills improve".

[12] Kids Domain praised the graphics and audio for emulating the TV series.