Killzone developer "done" with series, Guerrilla says of switch to Horizon - Eurogamer
- Killzone developer "done" with series, Guerrilla says of switch to Horizon Eurogamer
- Horizon Zero Dawn was the result of Guerrilla being "done" with Killzone, and wanting to make something that was "by choice, the opposite" Gamesradar
- 'We Were Done With It as a Team' — Guerrilla Dev Explains Why the Studio Moved on From Killzone to Horizon IGN
- Guerrilla Games Was Done With 'Killzone' as a Team Following Release of Shadow Fall VGChartz
- Sony's Guerrilla Sounds Completely Done with the Killzone Series Push Square