Nemesis Game (2003)

Plot

Sara Novak, a reserved college student, harbors her share of secrets and tends to keep to herself. Her solace comes from her friendship with Vern, a wise comic store owner who indulges her love for puzzles and enigmas. However, the thrill of solving riddles takes a dark turn when they start to correlate with the mysterious deaths of those in her life. As the stakes rise, Sara discovers that the riddles are not merely playful challenges, but a sinister game with deadly consequences lurking behind each clue.