A feature called "Death Cost" was planned to be added which would have the Captain of the Ferry of the Damned deduct gold from players when they died (excluding when killed in PVP), with the amount dependant on the cause of death. However due to community backlash believing it would discourage new players from playing and simply punish you for dying, the game's executive producer, Joe Neate, told players on Twitter that the feature idea had been dropped.

The achievement "Smile, you son of a..." is a reference to the finale of the 1975 Steven Spielberg film "Jaws". The achievement is unlocked by killing a shark by shooting a gunpowder keg, similar to Jaws, when protagonist Brody kills the shark by shooting a scuba tank lodged in its mouth. The achievement can also be unlocked by lighting the fuse of the gunpowder keg rather than shooting it.