Mystery Chamber 2015 Classic is the inaugural game in the Mystery Chamber series, a straightforward platformer featuring turn-based battles. Launched in 2015, the game follows Roach, Jack, Alistair, and Mage as they stumble upon a hidden passage leading to the Mystery Chamber. Players must navigate through abandoned buildings, cityscapes, and encounters with stickmen to reach the airport. The game offers simple platforming mechanics, pixel art graphics, and a touch of humor with its comical visuals.

In Mystery Chamber 2015 Classic, players can expect uncomplicated platforming gameplay with walking and jumping mechanics, turn-based battles against various foes, pixelated graphics that exude a rough and comical charm, and a predominantly gray aesthetic within concrete environments. Additionally, players can enjoy driving a rusty car through the city, unraveling secrets scattered throughout the game, and experiencing an ending that befits their journey.