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Quantum Horses

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Workshop. 2023
Genre. Simulation, Luck, Educational

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Description

Quantum Horses blends classic horse racing excitement with the mind-bending rules of quantum physics.

Place your bets, then watch as four colourful horses disappear into a state of superposition. Their speeds are no longer fixed numbers but probability ranges governed by the Heisenberg Uncertainty Principle.

Armed with two quantum buttons—Position and Measure—you can briefly reveal the horses or collapse their speed ranges into new values. Every observation reshapes the race, proving that in the quantum world the act of looking changes reality.

Whether you aim to grow your virtual bankroll or simply explore quantum weirdness, Quantum Horses turns abstract theory into an addictive, fast-paced spectacle. Ready to ride the wave of uncertainty?

Theory

Quantum Uncertainty & Wave-Function Collapse

At the heart of Quantum Horses lies the Heisenberg Uncertainty Principle: certain properties (like position and momentum) cannot both be known precisely. We translate this into a racing context by letting every horse move at a range of possible speeds instead of one fixed value.

How the game simulates it

  1. Uncertainty Range - Each horse owns a minimum and maximum speed. While unobserved it travels at the average of that range.
  2. Observation (Position Button) - Making the horses visible is equivalent to sampling their position. This also triggers a new random speed range.
  3. Measurement (Measure Button) - Collapses every range into brand-new values, just like measuring a qubit collapses its wave function.
graph TD
    A["Invisible Horse (Superposition)"] -->|Position| B["Visible Horse"]
    B --> C{Measure?}
    C -- Yes --> D["New Speed Range"]
    C -- No --> E["Continues at Average Speed"]

Real-world relevance

Observing quantum systems—whether electrons or racing horses— is never passive. By playing you build intuition for why quantum computers must carefully time their measurements and why uncertainty is an opportunity as much as a limitation.

Created By THUAS Students

Game Credits

Pjotr Wisse
HBO-ICT
Jared Hofman
HBO-ICT

Workshop 2023

This game was made during the workshops of year 2023. We recommend to check out the upcoming workshops if interested in joining.

See Upcoming Workshops

Instructions

Controls

Mouse / Touch

ActionDescription
Start RaceBegin with chosen bet, horse and laps
Position (3 s cooldown)Reveal horses for 0.85 s and re-sample their speeds
Measure (5 s cooldown)Collapse all speed ranges into new random ones

Form Fields

FieldDescription
Bet Amount (€)Any whole number up to your balance
Bet on horseSelect White, Blue, Green or Brown
Number of lapsRace length (1+)

Objective

End the race with your selected horse in 1st place to earn the amount you wagered; otherwise you lose it. Balance reaches €0? It resets to €500 so you can keep experimenting.

Gameplay

  1. Configure your bet and laps, then press Start Race. Horses vanish, entering quantum superposition.
  2. Use Position sparingly to check progress; every peek also alters future speeds.
  3. Time Measure presses to disrupt opponents and boost your favourite. But be careful, it could also negatively impact your own horse.
  4. The first horse to complete the chosen laps wins. Results and new balance appear in a pop-up.

Quantum Features

  • Superposition: horses exist everywhere on the track until observed.
  • Uncertainty Ranges: speeds are shown as min → max values.
  • Measurement Collapse: Measure button redraws every range at random.
  • Observer Effect: Your clicks directly influence who wins.

Strategy Tips

  • Use Position near the end of a lap to verify leads without drastic disturbance.
  • Save a late-game Measure for a potential photo-finish upset.
  • Start with small bets while you learn how observation reshapes probability.
  • Longer races give you more chances to manipulate outcomes.

Screenshots

Quantum Horses
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