List games with man-sized vents in high security facilities!

[Reasonable]

Nice thread.  Couple of points:

1 - surely the undisputed king of man sized vents is Half Life series?  Not only are they everywhere but they feature in set pieces aplenty and even get their own self referential in-joke in Episode 1 (it was EP1 right?)  Few games have vents all over the place and the confidence to joke about it

2 - Deus Ex 10 out of 10. Corrent and great taste.  Invisible War 9 out of 10?  Wait what?  Don't be so generous, knock it down to 8 where it should be

3 - Sly Racoon surely features Racoon sized vents rather than man sized vents