Casting perls
Gem among stones
GOogled the answer
It's not a chord!
Just D it!
Lambda's best friend
Language does not matter
Made in Switzerland
Mainstream guy (1 / 50 completed)
Parselmouth
Peresvet & Temir-murza
Picked the Hard Path
Polyglot , last achieved on Nov. 23, 2016
Runs on billions of devices... Slowly , last achieved on March 5, 2017
Speck in your brother's eye
Tourist's path
Trip across the desert
/usr/dmr
Variety is the spice of life (2 / 5 completed)
Web programmer
You didn't even scratch me!