Polls with votes for Large Machine

I'm looking for games that heavily feature learning how to use a device or machine. For instance, the machine in Emily Short's...

Unplayable (or almost unplayable) games you love - 6 votes for 5 games; created March 31, 2020
A poll by loudcat

I've been thinking about games with game-breaking bugs (or games that repeatedly crash and are hard to get through) that are otherwise...

The absolute hardest non-broken games you've played - 37 votes for 23 games; created September 23, 2017
A poll by MathBrush

After reading Jason Dyer's post on his excellent adventure blog (at bluerenga.wordpress.com) about the hardest adventure ever (which I...

Solved without Hints - 205 votes for 112 games; created July 16, 2010
A poll by joncgoodwin

I'm very interested in hearing truthful accounts of at least somewhat difficult games (or games that don't solve themselves at least)...

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