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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 Train Fest starts Jul 20, 2026
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.
Lowest tracked price: CA$6.49 (Jul 7, 2026) · current best: CA$6.49.
100% positive reviews all-time.
Right now the cheapest offer for One Mistake is CA$6.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for One Mistake is CA$6.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when One Mistake drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
