Jack Be Nimble is a platformer game by Icejet, officially released on November 30, 2019. Developed as an entry for the 1-Button Jam, the game showcases the potential of minimalist controls while delivering an engaging experience.

In Jack Be Nimble, players control the titular character, Jack, who must navigate through obstacles while escaping from an angry dragon. The core mechanics revolve around a single button control scheme, where players use the spacebar to jump, slide, and perform various actions to avoid the dragon's attacks.

The storyline of Jack Be Nimble follows Jack as he attempts to flee from a relentless dragon, requiring quick reflexes and strategic timing to survive. Players must escape the dragon's attacks five times to successfully evade capture.

Jack Be Nimble stands out with its unique one-button control system, allowing for an accessible yet challenging gameplay experience. The game's emphasis on timing and precision, combined with its simple yet engaging mechanics, makes it a notable entry in the platformer genre.