I didn't play many games before Graal but here's mine-

5. When I got a 79 killstreak in MW3
4. My first 360 and tomahawk across map kills in modern warfare 2
3. 180 killstreak with damaged ak47 on graal
2. Scoring a goal from halfway line on fifa12
1. ^^having that goal in top 5 plays of the week on machinima :O