Sequel hook

Culture concept

Part of the ending suggests there's going to be a sequel.


The first video game about Sequel hook was released in 1992.

Devolver Digital, EA Partners and Sega has published most of these games

See also: open ended
This can be a cut-scene showing some Evil Thing stirring back to life, something that suggests that the Real Evil Guy wasn't the one you defeated, there's other dangers brewing, etc. Or even simple "To be continued" statement.