Who Killed My Sister?

Who Killed My Sister? is a collection of riddles, tied together with a plot where a brother unravels the mystery behind his sister's death. As players solve riddles involving math and logic, they get closer to finding who the real murderer is.

In each riddle, players can unlock two hints, with the second hint available after watching an ad.

There are 99 riddles to solve before players can clear the whole story.