[1][2][3][4] Ellison made regular contributions to publications PC Gamer, Unwinnable and Rock Paper Shotgun beginning in 2012.

[9] From 2014 to 2015, Ellison wrote a bi-weekly column called S.EXE for Rock Paper Shotgun about the depiction of sex and romance in video games.

[13][14] From February 2021 to June 2022, Ellison co-hosted The Inspirational Quarterly with Davey Wreden, a podcast dedicated to reading, reviewing, and discussing Keith R. A. DeCandido's 2006 novel StarCraft: Ghost: Nova.

[3][16] In 2013, Ellison wrote the text-based interactive fiction game Sacrilege, which The New York Times described as a "raw exploration of female sexuality that also includes some astute observations about male desire".

[17] Ellison also has collaborated with artist Howard Hardiman on Badger's Day Out, funded by a combination of a successful Kickstarter, with backing from the Arts Council England.