I loved the instrumental versions they did of everyone's entrance music on WWF War Zone on N64. I assume it was too primitive to play the real songs (though all the ensuing WWF N64 games did, I don't know) but they're just all really cool. Here's Owen Hart's:
Also liked Dude Love's, DX's...they were very catchy.
Re: Favourite songs that were featured on WWE Games?
"Riot" by Three Days Grace
"SWC" by Murs
"Perfect Insanity" by Disturbed
"Taking You Down" by Egypt Central
"You Make Me Sick" by Egypt Central
"Hero" by Skillet
"Monster" by Skillet
"Down From The Sky" by Trivium