inFAMOUS: Festival of Blood is an action-adventure video game developed by Sucker Punch Productions for the PlayStation 3 video game console. Festival of Blood is a standalone expansion in the Infamous series based on the Infamous 2 engine and map but does not require a copy of Infamous 2 in order to play.

The story is set aside from the canon aspect of the Infamous series, being a spoof told by the main protagonist's friend Zeke Dunbar. The game features new characters, powers and comes with a new comic cutscene creation for the main game Infamous 2 '​s user-generated content, as well as support for the PlayStation Move controller. Unlike previous games, the game does not feature karmic choices on missions due to Cole's vampire state.