Pewpew 2 was just updated again with better retina iPad support. Changing the settings to 1 pixel for lines and Unchecking the glow option really makes it look very nice on the iPad 3.
Banzai Rabbit HD http://itunes.apple.com/app/banzai-rabbit-hd/id380614706?mt=8 Burger Cat http://itunes.apple.com/app/burger-cat/id510732189?mt=8
Blockolicious HD has been updated with retina support ( and is now a universal app!) http://itunes.apple.com/nz/app/blockolicious-hd/id486343023?mt=8
Not sure if this has already been posted, but: Spin Up http://itunes.apple.com/us/app/spin-up/id496554937?mt=8
Shadowgun just got updated with full 2048x1536 support plus 4xMSAA. http://itunes.apple.com/fr/app/shadowgun/id440141669?mt=8
MacGuffin's Curse launched last week with full iPad retina support. Luckily, the developers anticipated this and commissioned the original art assets in a super high resolution. (I was loosely involved in the project, so take it as you will, but it pays off beautifully for hand-drawn character portraits.) http://itunes.apple.com/us/app/macguffins-curse/id497834129?mt=8
Deadlock is now retina ready! http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=439931031&mt=8
" Cool race " now support retina P.S do not buy order and chaos online,it has really bad framerate on the new ipad
Anomaly warzone earth hd is now retina ready http://itunes.apple.com/us/app/anomaly-warzone-earth-hd/id431607423?mt=8
Toy Defense HD Free: http://itunes.apple.com/at/app/toy-defense-hd-free/id504278411?mt=8 Edit: the update breaks the game (the whole screen is shifted by about 1/4 to the top-left-corner) Edit2: reinstalling the app fixes the problem but of course you lose your progress Edit3: Update that fixes the problem is out
Kingdom Rush HD retina update is out: http://itunes.apple.com/fr/app/kingdom-rush-hd/id489265199?mt=8