I have enjoyed replaying Last of us, Bioshock, all the God of war games ,Fallout 3, Infamous, borderlands 2, Red dead redemption undead nightmare, Skyrim and Metal Gear Solid. These are really fun to replay.
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I constantly come back to Resistance3. Such an amazing Fps game.
Some of the best games I've spent time playing through a second or even a tenth time would include the following:
Plants vs. Zombies
Shadow of the Colossus
Final Fantasy VIII
Super Mario 64
Metal Gear Solid
Metal Gear Solid 2: Sons of Liberty
Spider-Man and the X-Men in Arcade's Revenge
Super Smash TV
Dance Dance Revolution