Honestly, I love Nintendo games, especially Mario games. So when I found SMC and YFS, I started using it quite frequently.
I hope you like my levels and account!
Publish a certain amount of levels
Rate a certain amount of levels
Get a certain number of rates on a level
Be a member for a certain number of days. Login required to activate new achievement.
Add unique images to other users' levels (must be relatively new levels).
Get a certain number of contest points.