What is this?

Cracked by: sushma, jowens, Manish Achuth, Rogi, Jayaprakash B R, Siddarth Pai, Goyal, Nagendra U M, Thejas V R, Girish, Logik, Anjul, Bharath, Ananth, KK, Sumanth Patlolla, badideabear, raklodramA, Rahulk, rickde, Urthstripe, Rahul Rajeev, thiru d gr8, s m muneer ali, shrik, Surya Narayanan, username, Kaustubh Mhatre, SV, Aditya S and Shwetha Maiya