Oh wow! Some amazing Collections here!
It's currently split between several different places, and some of these are my boyfriend's (our collections are more of less combined at the moment, most are mine), but here goes.....
Playstation:
Colin McRae Rally
Crash Bandicoot 2: Cortex Strikes Back
Crash Bandicoot: Warped
Croc: Legend of the Gobbos
Harry Potter and the Philosopher's Stone
Medievil
Oddworld: Abe's Exoddus
Spyro the Dragon
Spyro 2: Gateway to Glimmer
The Weakest Link
Who Wants to be a Millionnaire
Yu Gi Oh (I think it's Dungeon Dice but not sure)
Playstation 2:
Crash Bandicoot: The Wrath of Cortex
Crazy Taxi
Disgaea
FIFA (at least 3 different games but I dunno which ones)
Grand Theft Auto 3
Grand Theft Auto: Vice City
Jak and Daxter
Jak II: Renegade
Jak 3
Jak X
Kingdom Hearts
The Lord of the Rings: Return of the King
Psychonauts
Ratchet and Clank
Ratchet and Clank 2
Ratchet and Clank 3
Simpsons: Hit and Run
The Simpsons Game
Sly Raccoon and the Thevius Raccoonus
Sly 2: Band of Thieves
Sly 3: Honour Among Thieves
Theme Park World
Ty the Tasmanian Tiger
Ty the Tasmanian Tiger 2
Wallace and Gromit: The Curse of the Were-Rabbit
Nintendo DS:
Hard copy:
Mario Kart
Pokemon Diamond
Pokemon Heart Gold
Pokemon Pearl
Pokemon Mystery Dungeon: Explorers of Darkness
Pokemon Soul Silver
Pokemon White
Professor Layton and the Lost Future
Sonic Rush
Toy Story 3 (which is terrible, only got as part of a bundle for a 3DS bought privately)
Soft copy/R4
Animal Crossing: Wild World
Dragonquest IX: Sentinals of Starry Skies
New Super Mario Bros
Nintendogs: Dalmatian and Friends
Phoenix Wright: Ace Attorney
Phoenix Wright: Trials and Tribulations
Phoenix Wright: Justice for All
Pokemon Black
Super Mario 64 DS
Nintendo 3DS:
hard copy
Animal Crossing: New Leaf
The Legend of Zelda: Ocarina of Time 3D
Pokemon Super Rumble
Pokemon X
Pokemon Y
Rayman 3D (the Rayman 2 remake)
Skylanders Giants (with figures listed in Spoilers tags below)
Soft Copy/Virtual Console
Bravely Default demo
Edge
Game and Watch Gallery 1
Mario Land 2: The Six Golden Coins
Nintendo 64
Banjo Tooie
Donald Duck: Quack Attack
Donkey Kong 64
Kirby: The Crystal Shards
Mario Party
Pokemon Puzzle League
Pokemon Snap
Pokemon Stadium 2
Rugrats in Paris
Rugrats: Treasure Hunters
Star Wars Episode 1: Battle for Naboo
Super Mario 64
Tarzan
Toy Story 2
There may be more but I can't remember off the top of my head
Skylanders Figures: