Return to Hadron is a work in progress remake of ConC.E.R.N.ed, a Doom megawad created by Matt Powell (cannonball) for limit removing source ports. The first episode was released in 2015 and was later named as a winner of the 22nd Annual Cacowards. Powell released a second episode in late 2016, which was a runner-up for the 2017 Cacowards. On September 1, 2020, episode 3 was released which, again, reached runner-up status at the 2020 Cacowards. Episode 4 was released on October 22, 2023.