Sony has updated the PlayStation Store listings for three old PS3 games, indicating that the online functionality will be going offline on this month. The servers for Warhawk will be shutdown first, which will go offline on 15th October 2018, followed by PlayStation All-Stars Battle Royale and Twisted Metal on 25th October 2018.
Warhawk
Multi-player and all online features for this product will be terminated and will no longer be available from 15/10/2018.
According to the US listing for Warhawk, this shutdown means that the game will no longer be playable unless the PS3 system is set to LAN mode, as only local network play will function.
PlayStation All-Stars Battle Royale
Multi-player and all online features for this product will be terminated and will no longer be available from 25/10/2018.
Twisted Metal
Multi-player and all online features for this product will be terminated and will no longer be available from 25/10/2018.