In 'Chronochums: Greetings from Yesterday!', players take on the role of quirky time-traveling detectives, called Chronochums, who must solve a series of interconnected mysteries across different eras. Each era presents unique characters, challenges, and settings, from the roaring twenties to a dystopian future. With a blend of humor, drama, and clever puzzles, players must navigate through time glitches, battle temporal foes, and gather clues that hop across the timeline to unveil the truth behind a temporal paradox threatening the fabric of time itself.