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Lead Bulb, a fearless robot, through two parallel worlds – the mysterious Black World and the electrified Positive-Negative World. Shift charges, solve puzzles, and leap through danger in this thrilling single-player adventure where every move counts… and one mistake can change everything.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Step into the World of Bulb – A Robot with a Spark of Determination.
In One Mistake, you take control of Bulb, a small but resolute robot powered by nothing more than a battery, a glowing light bulb, and wire-like limbs. Driven by curiosity and purpose, Bulb embarks on a mission to unravel the secrets hidden across dimensions.
