THE PLAYBOOK · IHAHOOO
How to play Reaction Challenge
Use a short break to learn the rhythm of Reaction Challenge. Finish five valid responses. An early click does not count as a completed response; start that attempt again. Use the example below to understand a decision. Choose a comfortable screen position before beginning. Check the relevant rule before repeating a move.
Notice the feedback
Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention. 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. The feedback beside the game helps you follow the round. Notice how the game responds to your input.
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. Read the example below alongside these instructions.
A useful example
A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated. Focus on why the action is allowed, not only its outcome. Notice the change in the playing area.
Watch out for this
Browser scheduling, screen refresh and input hardware can affect the measurement. It is not a medical test. Check the rule before repeating the action. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.
Common questions
While reading the Guide, what is the goal of Reaction Challenge?
Finish five valid responses. An early click does not count as a completed response; start that attempt again.
As a new player, how do I control Reaction Challenge?
Use the on-screen controls with a mouse or touch.
While learning, what example helps explain Reaction Challenge?
The key detail is this: A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated.
For this browser game, 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.
Before I begin, what format does Reaction Challenge offer?
Keep this in mind: Play using the solo mode shown on this page. Read the controls before starting a new round.
Which play mode does Reaction Challenge use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.