checkin (web)
   (Solved by: (.00) on Thu Nov 29 07:25:47 2018)

easiest (pwn)
   (Solved by: kileak on Tue Nov 27 10:09:04 2018)

hardcore_fmt (pwn)
   (Solved by: tempestuous on Tue Nov 27 19:32:24 2018)

polynomial (crypto)
   (Solved by: GellyPwn on Tue Nov 27 09:50:57 2018)

sos (pwn)
   (Solved by: tempestuous on Wed Nov 28 16:30:08 2018)

Updated on Tue Dec 4 20:02:30 2018