1. Castlevania: SOTN
2. Duke Nukem 3D
3. Braid

1. Braid
2. N+
3. Portal: Still Alive

1- Castle Crashers
2- GeoWars2
3- Street Fighter 2 Turbo HD Remix

1. Braid
2. Portal: Still Alive
3. Geometry Wars 2

It really hurt me to leave Castle Crashers off the list, but in the I thought the achievements were well done and very entertaining in GeoWars 2 to give it the edge.

1. Castlevania: SOTN
2. Banjo-Kazooie
3. Duke Nukem 3D

Oh man...so much choice. I will only include original games and not ports...otherwise Portal and Casltevania SOTN would be number 1 and 2 on this list.

1. Geometry Wars 2
2. Braid
3. Castlevania SOTN (cant help it...best game ever)

1. Castle Crashers
2. Triggerheart Excelica
3. Geometry Wars

My top3:

1. Braid

2. Rez HD

3. Catan

1. Banjo Kazooie
2. Castle Crashers
3. Braid.

Though it's a little lopsided as those are the only 3 XBLA games I've played.

1. Streets of rage 2
2. Rez HD
3. Duke nukem 3D