Marios

Solve all the problems in CUP Challenge

Awarded to Marios on 25 Feb 2014

Like a problem or solution

Awarded to Marios on 19 Feb 2014

Comment on a problem or solution

Awarded to Marios on 19 Feb 2014

Solve a problem for the first time

Awarded to Marios on 12 Feb 2014

Be the first to solve a problem

Awarded to Marios on 19 Feb 2014

Create a problem

Awarded to Marios on 19 Feb 2014

Solve all the problems in Tiles Challenge

Awarded to Marios on 21 Feb 2014

Obtain 50 solvers for a problem you have created

Awarded to Marios on 22 Oct 2025