Zero/Sum is an innovative puzzle game available on iPhone, combining humor with a thrilling storyline. Players step into the shoes of a character tasked with solving a series of mathematical puzzles to restore a cure for cancer, following the tragic demise of their mentor. With full-motion video cinematics featuring real actors, the game offers an engaging narrative reminiscent of 80s action movies. Players will encounter various puzzle types, including melting puzzles and number puzzles, ensuring a fresh experience throughout the gameplay.

The game features a Daily Challenge Mode that presents 10 new puzzles every day, along with a Time Trial mode for players to test their skills against the clock. Zero/Sum stands out for its originality, as it avoids typical gaming tropes and offers a completely independent gaming experience. This unique blend of comedy, puzzles, and engaging story makes it a noteworthy addition to any puzzle enthusiast's library.