THE PLAYBOOK · DJCFW
Rules, controls and help for Reaction Challenge
Make Reaction Challenge your next activity in the game library. Finish five valid responses. An early click does not count as a completed response; start that attempt again. Check the relevant rule before repeating a move. Use the opening round to become familiar with the layout. Choose a clear next step rather than rushing through the instructions.
Bring this focus to a round
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Use the example to check your reasoning.
What you are aiming for
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. Take a moment to understand the current position.
A walkthrough of the rules
- 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.
Getting comfortable with the controls
Use the on-screen controls with a mouse or touch. Use the control method described here for this activity. Look at the feedback after the action.
An example to follow
A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated. Apply the same reasoning to the position in your own round. Keep the controls nearby.
Keep this in mind
Browser scheduling, screen refresh and input hardware can affect the measurement. It is not a medical test. Compare the situation with the worked example. After a move, check what changed. Decide which rule explains the new state before acting again.
If you are unsure
When I return, 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.
How do I control Reaction Challenge?
For clarity: Use the on-screen controls with a mouse or touch.
For my first round, what example helps explain Reaction Challenge?
Here is the relevant explanation: A valid 250 ms response counts. Clicking during WAIT is too early and must be repeated.
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.
For this browser game, 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.
For this browser game, which play mode does Reaction Challenge use?
The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.