Celeste began as Everest, a tiny prototype that Maddie Thorson and programmer Noel Berry built on the PICO-8 fantasy console during a weekend game jam in August 2015. This episode follows how that pixelated bouldering game, inspired by Super Mario Bros. 3 and the finite grip strength of real climbing, grew into the 2018 hit that won Game for Impact at The Game Awards and sold 1.7 million copies by early 2025. We look at the handcrafted physics, forgiving tricks like coyote time and rounded spike hitboxes, and the decision to name the difficulty options Assist Mode rather than cheat mode in the middle of the Cuphead discourse.

The story turns personal as Thorson's own depression and anxiety became the narrative spine: Madeline climbs Celeste Mountain while her dark reflection, Badeline, tries to stop her, and the ending only arrived once Tho ...