Summary: Decent game for the new discount price on PSN ($4.99). Single player is short but once finished unlocks Skirmish Mode (Player vs Bots in MP maps). The MP is good and has tons on unlockables. Graphics are also nice but some animations are clunky.
Summary: The Punisher: No Mercy is an average First Person Shooter. On paper, this is a cheap knock off of Unreal Tournament (it also runs on a varient of the Unreal Engine as well) and cheap is definitely the right word.
Summary: Waste of money. For $10 you can get countless games from this generation that all function as well as or better than Punisher: No Mercy, which is nothing more than a hyped Unreal Tournament 3 mod that you pay for.
Summary: Its a rather bland first person shooter. The Unreal Engine on its death bed (its beginning to look terrible), only on life support by the cheap devs that want a quick engine (it does work for cheap games I suppose). While its only $10, your not getting that much.