Have you played.....No One Lived Forever
So, let me jump onto [MENTION=3505]DarthMol[/MENTION]'s idea...
No One Lives Forever was a fantastic game that was released in 2000 and was also called The Operative: No One Lives Forever by Monolith Studios.
Nolf is a spy-them-up FPS game set in the 60's. It takes a lot of inspiration from the early spy movies throughout history, all set to a groovy theme of 60's rock-n-roll, bright colours and impossibly complex gadgets. It was a glorious game to play. The game never took itself too seriously, as it mainly featured every single stereotypical "bad guy" and "henchmen" from every spy movie ever. The writing was also beautifully comical and lighthearted.
Nolf's gameplay was pretty fun. The game gave you lots of different spy gadgets type equipment, and the semi-open levels gave you the freedom to play it like you wanted.
I loved both NOLF and NOLF 2, and wish they continued with the series, or even made an HD remake
