I've made a pretty exciting list of all the games that have an RRP of $50 instead of the usual $70!
Sprung
Polarium
Bomberman
Nintendogs
Monopoly, Boggle, Yahtzee, Battleship
James Pond: Codename Robocod
Whac-a-Mole
Shamus' Big Adventure
Pac-Man World 3
Sega Casino
SBK Snowboard Kids
Brain Training
Big Brain Academy
Spider-man 2 + Ultimate Spider-Man double pack
Madagascar + Shrek Super Slam double pack
Clubhouse Games
Crash, Boom, Bang!
Spyro
Ys Strategy (very limited run)
Contact
New Zealand Story Revolution
Biker Mice From Mars
Cartoon Network Racing
Arthur and the Minimoys
Tennis Masters
Totally Spies 2
Crazy Frog Racer
Impossible Mission
Super Fruit Fall
Guru Guru Naget (I have no idea either)
Labyrinth (not Deep Labyrinth, this is a whole different game)
Monster Puzzle
Shrek's Smash 'N' Crash
Bubble Bobble Double Shot
Bomberman Land Touch!