This is a modern homebrew game for the TRS-80 Micro Color Computer ("MC-10") using Micro Color BASIC. It is a softball simulation written in 10 lines of BASIC code.  The latest version can be played online using "emularity" at the Internet Archive: https://archive.org/details/softball_202407

HOW TO PLAY
Launch the emulation and wait until you see the green screen with just an "S" in the upper left corner, press Scroll Lock and then press F2. This will load the tape. After the tape finishes loading press Scroll Lock again and then type RUN and hit Enter.


SOME USEFUL KEYS
]  Break
Left Shift A Backspace
AWSD or AWSZ or IJKL typically for Arrow keys
Right Shift ; +
= -
Right Shift 2 "