Whenever I played score duel with my friend, we always agree that we should not use powerups. So we play normally and I always outscore him. The next day I see my feed with him doing 5+ attempts at one song and I'm just sitting there with 1 attempt. The day after that, he finally beat me on all the songs, but the scores don't look right. They look a bit high for a "no powerup score duel". So I checked RBW and yes, he used powerups, when we clearly agreed that there should be no powerups! So what I did is that I used the same exact loadout that he did and got way higher scores.
The next day, he invited me to an XBL party and yelled profanity at me. Let's just say this guy is a CoD junkie and whenever I play games with him, whenever he outscores me he gets very arrogant about it. So yeah, redemption?