Commenter +10
Earned on 26 Nov 2012 for commenting on Problem 1048. Detect a number and replace with two NaN's.
Speed Demon +50
Solve a problem first.
Creator +20
Create a problem.
Leader +20
Solve a problem with a best solution.
Tiles Challenge Master +50
Solve all the problems in Tiles Challenge problem group.
Quiz Master +20
Must have 50 solvers for a problem you created.
Cody Challenge Master +50
Solve all the problems in Cody Challenge problem group.
ASEE Challenge Master +50
Solve all the problems in ASEE Challenge problem group.
Puzzler +50
Create 10 problems.
Scholar +50
Solve 500 problems.
Famous +20
Must receive 25 total likes for the problems you created.
Celebrity +20
Must receive 50 total likes for the solutions you submitted.
Renowned +20
Must receive 10 likes for a solution you submitted.
Likeable +20
Must receive 10 likes for a problem you created.