[TechAbstract]

Feel free to add those that are missing from the list. These games are not available for WP7.

Age of Legends
Angry Chicken Egg Madness HD
Asphalt 7
Azkend
Beyond Ynth
Big Mountain Snowboarding
Building Tower
Cat VS Dog
Chess (cnvcs)
Chimpact
Crime Inc.
Dark Galaxy
Darts (Jurassic Game)
Dragon Invaders
Dredd vs Zombie
Dummy Defense
FindDifference
Froad
Gold Miner Classic
Great Big War Game
Guns 4 Hire
Hockey Nations PP
Iron Fist Boxing
Joining Hands
Jumping Monkey
Karoshi
King Oddball
Level Up!
Memory Card Game
Minesweeper++
Nightmares From The Deep: The Cursed Heart
No Gravity
Obama VS Romney
Phone Wars
Pilot Brothers
Pilot Brothers 2
Pollushot
Popping Bubbles
Puzzle Craft
Reflexions
Risk Kiss
Robotek
Scribble Worm
SimplePhysics
Simply Solitaire
Sparkle
Spider Monkey
Superheroes Alliance
Tennis in the Face
The Streetz
Touchdown Run
Trick Shot Bowling
Twisted
Villains
Where's My Perry?
Where's My Water?

[I Spiritus I]

Angry Birds Space & Star Wars are on WP7, they are just not Xbox Live versions :).

[technecium]

Yoyo Games: Simply Solitaire Pro, Sudoku, Karoshi, Pollushot, Reflexions, Froad.
Golden Hammer: Big Mountain Snowboarding, Gribble Worm, Trick Shot Bowling.
Beyond Ynth, No Gravity.

[TechAbstract]

Quite a few of new games are coming for WP8 only.

[TechAbstract]

New games:
Heroes of Kalevala (10tons LTD)
Boom Brigate 2 (10tons LTD)
My Country (GAME INSIGHT GLOBAL LIMITED)
Brotherhood of Violence (realtech VR)

[Yelcolm]

Speedfest is WP8 3d racer