The prologue is a little slow but it's a necessary evil, as it introduces you to Irish lothario Sean Devlin and explains why he became involved with the French Resistance. It also allows you to become accustomed to the controls.
The game is atmospheric, at times bleak, and the story cleverly draws you in to the extent that every time the likeable Sean kills a Nazi, especially with a stealth move or a head shot with a sniper rifle (lots of blood!), you get a real sense of satisfaction! (Well, I did...)
Completing certain scenarios gives you perks, allowing you to buy more weapons, ammo, maps and improvements to the cars in your garage.
There are so many acts of sabotage to be done it's mental. I've been playing for almost 24 hours, and I've still only scratched the surface.
There ARE a few bugs, as other reviewers have mentioned, but they do not detract from what is a well-made, addictive game with beautiful graphics.
A must-buy, particularly at it's current low price!