A minigame is a timed little activity (that test the player's finger reflexes) that the player must play throughout the course of Cause of Death in order to progress.
Introduced in Volume Nine, the minigame is timed for approximately ten seconds. Within the ten seconds, there are four options pertaining to the events before, one of which to be chosen, with most likely two of which being correct. If the correct choice is selected, a point will be added. If an incorrect alternative is chosen, a point will be discarded. A total of eight choices must be correctly opted for. If the player loses the minigame, the next part of the story will continue negatively (ex: dying), and vice versa.