So I was playing some Red Dead Redemption and noticed that I wasn't unlocking any achievements. Then I tried it on a few other games and I wasn't able to unlock any achievements. Does anyone know how to fix this or how it came so?

I don't know if it matters but I did mod my avatar color, some game saves, black ops color classes and I went in a WAW modded lobby and unlocked the achievements there.

I already tried recovering my account.

Any other suggestions?