
Microsoft has priced and dated its line-up of what they’re calling ‘Must Have Games’ for Windows Phone. Six titles are planned for release on Xbox Live individually each week from Wednesday May 25th and they will all feature achievements, leaderboards and more. Sonic the Hedgehog 4: Episode 1 will launch on June 15th and will cost you £5.49/$6.99 to download. Check out an official screenshot and gameplay footage of the Windows Phone version at the 0:34 mark in the trailer below.

[youtube]http://www.youtube.com/watch?v=qkdornqZQis[/youtube]
Here’s the full line-up of Windows Phone games:
Hydro Thunder Go
Microsoft Game Studios
Release date: 5/25/2011
Price: £3.99/$4.99
Doodle Jump
GameHouse
Release Date: 6/1/2011
Price: £2.49/$2.99
geoDefense
Microsoft Game Studios
Release Date: 6/8/2011
Price: £2.49/$2.99
Sonic the Hedgehog 4 Episode I
Sega
Release Date: 6/15/2011
Price: £5.49/$6.99
Plants vs. Zombies
PopCap Games
Release Date: 6/22/2011
Price: £3.99/$4.99
Angry Birds
Rovio
Release Date: 6/29/2011
Price: £2.49/$2.99
Sources: SocialTimes.com, Windows Phone UK Facebook page and Xbox.com