Minor Issue of Game Not Shutting Down
Suggested fix (unconfirmed): Open Task Manager to end the game's lingering background process, or restart the Steam client entirely.

1 fixes · 3 how-to answers · Steam discussions
Suggested fix (unconfirmed): Open Task Manager to end the game's lingering background process, or restart the Steam client entirely.
No confirmed fix yet. Players suggest: Edited: Devs change the options on Act 6.
Suggested fix (unconfirmed): Launch the "Extinction Burst" scene from the gallery, choose "the tribe are dead," and then say "no" to her.
No confirmed fix yet. Players suggest: It's been a welcome change.