A Hollow Knight: Silksong playtester has assured fans that the long-awaited Metroidvania is not in development hell. Hollow Knight: Silksong was first announced all the way back in 2019. As a follow-up to the critically acclaimed Hollow Knight, fans have been eagerly anticipating more information on the sequel. Unfortunately, news on Hollow Knight: Silksong has been hard to come by since the game's announcement.