hmv.co.uk have a selection of games on 2 for £25 offer including a load of Wii and DS games. They're mainly crap but there's a few good ones in there.
Wii:
Game Party
Super Monkey Ball: Banana Blitz
Driver: Parallel Lines
The Grim Adventures of Billy and Mandy
Happy Feet
Prince of Persia: Rival Swords
Ninjabread Man
Rampage: Total Destruction
Mortal Kombat: Armageddon
Spliter Cell: Rogue Agent
Billy the Wizard Rocket Broomstick Racing
Far Cry Vengeance
Monster 4X4 World Circuit
GT Pro Series
Telly Addicts
Crusin'
Ant Bully
DS:
Cooking Mama
Sims 2
Sonic Rush
Mindstorm
Zoo Tycoon
Bust A Move
Cars
Bratz: Forever Diamondz
Pippa Funnell
Sims 2: Pets
New Touch Party Game
Pawly Pets: My Vet Practice
Professor's Brain Training
Final Fantasy 3
Surf's Up
Scooby Doo Unmasked
Happy Feet
Mystery Detective
Lost Magic
Touch Darts
Real Football 2008
Brothers in Arms
Spyro: Shadow Legacy
I-Cheat
Garfield's Nightmare
Elite Beat Agents
Pic Pic
Magical Starsign
Cookie & Cream
Tangram Mania
Ice Age 2
Monster Puzzle
Pokemon Link
Labyrinth
Monster Bomber
Cocoto Racers
Metroid Prime Pinball
Freedom Wings
Glory Days 2
Hoshigami
Cartoon Network Racing
Kameleon
Godzilla Unleashed
Mr Driller Drill Spirits
Top Trumps: Dogs & Dinosaurs
Top Trumps: Horror & Predators
Tenchu
Zendoku
Izuna
Devilish
Viewtiful Joe: Double Trouble
Two different Transformers protection cases
There are also Xbox 360, PC, PSP and PS2 titles included.