In 'Null's Gambit', you play as a software architect in a futuristic world where reality is coded in Java. As the world's most renowned programmer, you discover a catastrophic bug in the core operating system that has created dangerous null values wreaking havoc in the digital realm. With the newly introduced nullness markers at your disposal, guide a cast of quirky characters (each representing different Java features) as you embark on a journey through the labyrinthine code structure of your fictional universe. Solve puzzles, establish types, and tackle chaotic conversions while avoiding the dreaded NullPointerExceptions! Success means you can rewrite reality, while failure leads to a crash unlike any other.