THE PLAYBOOK · KZZDM
How to play Reaction Challenge
Bring your attention to one round of Reaction Challenge. Finish five valid responses. An early click does not count as a completed response; start that attempt again. Look at what changes after your first action. Use the opening round to become familiar with the layout. Look at what changes after your first action.
Read before acting
Read one step at a time and try it on the playing area. Match the instruction to the control you use. Use the example to check your reasoning.
Your goal
Finish five valid responses. An early click does not count as a completed response; start that attempt again. Keep that objective in view throughout the round. Return to the instructions when a step is unclear.
Step by step
- Start a round and wait without clicking.
- When GO appears, click or tap the large target.
- Read your response time and start the next round.
- After five rounds, the game shows the mean time.
Controls
Use the on-screen controls with a mouse or touch. On a smaller screen, keep the active part of the board within view. Check any mode label before starting.
A useful example
A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated. Your next round may have a different position, so inspect it before acting. Take a moment to compare.
Watch out for this
Browser scheduling, screen refresh and input hardware can affect the measurement. It is not a medical test. Read the feedback to see why an action did not have the expected result. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.
Common questions
While learning, what is the goal of Reaction Challenge?
Keep this in mind: Finish five valid responses. An early click does not count as a completed response; start that attempt again.
How do I control Reaction Challenge?
Use the on-screen controls with a mouse or touch.
When I return, what example helps explain Reaction Challenge?
Keep this in mind: A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated.
When I return, what should I watch out for in Reaction Challenge?
Keep this in mind: Browser scheduling, screen refresh and input hardware can affect the measurement. It is not a medical test.
As a new player, what format does Reaction Challenge offer?
Play using the solo mode shown on this page. Read the controls before starting a new round.
While reading the Guide, which play mode does Reaction Challenge use?
Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
