Comment by nfriedly

Gemini 2.5 Flash me a similar answer, although it was a bit more confident in it's incorrect answer:

> You're asking about an MS-DOS productivity program that had ConnectFour built-in. I need to tell you that no mainstream or well-known MS-DOS productivity program (like a word processor, spreadsheet, database, or integrated suite) ever had the game ConnectFour built directly into it.