These are all much more similar to the work of inventors than engineers.
Except Rollercoaster Tycoon, which is more like the work of an artist.
Like, coming up with Linux is a lot like Guglielmo Marconi putting together a working radio transmitter/receiver in his parents' attic.
These things can overlap. Art Fry, inventor of the Post-it note, was in a kind of 'principal engineer' equivalent role at 3M when he came up with it (he was the senior scientist in a lab team).
Except Rollercoaster Tycoon, which is more like the work of an artist.
Like, coming up with Linux is a lot like Guglielmo Marconi putting together a working radio transmitter/receiver in his parents' attic.
These things can overlap. Art Fry, inventor of the Post-it note, was in a kind of 'principal engineer' equivalent role at 3M when he came up with it (he was the senior scientist in a lab team).