Oldies but goldies, both running great.

The Operative: No One Lives Forever

Running in 50-60 FPS with all settings maxed out.

Screenshots:
SCREENSHOT 1
SCREENSHOT 2
SCREENSHOT 3
SCREENSHOT 4

No One Lives Forever 2: A Spy in H.A.R.M.'s Way

Runs in 18-25 FPS with all maxed out.
Lower some options and it can get 40+ FPS

Screenshots:
SCREENSHOT 1
SCREENSHOT 2
SCREENSHOT 3
SCREENSHOT 4

Great blast from the past :)