This challenge run plays Spelunky, Nuclear Throne, Enter the Gungeon, Binding of Isaac AB+, and Crypt of the Necrodancer. They can be played in any order and deaths are allowed. Each run is a "Harder" speedrun of the game. ND : complete an Aria run. Spelunky : Hell% run. EtG : Lich kill. NT : 1 loop then sit on the throne. Tboi : Kill the Lamb.