Casual Games
Split Second - Predict
The ball vanished behind the wall. When will it reach the flag?
A ball rolls along and hides behind a striped wall. Predict the exact moment it reaches the green flag inside the wall and tap. Remember its speed while you can see it, then follow the hidden motion in your head.
Play now →No install, no sign-up — starts right away

At a glance
- Players
- 1 (take turns to compare scores)
- Ages
- 7+
- Play time
- About 1 min per game
- Levels · Modes
- One mode (5 tries; the ball gets faster and the wall longer; tries 4–5 run the other way; up to 100 points each)
How to play
- Tap Start. After 3, 2, 1, the ball starts rolling.
- The ball hides behind the striped wall. Keep an eye on the green flag.
- When you think it has reached the flag, tap Now! or anywhere on the track.
- The wall fades and a dashed ball shows where it really was. Five tries make up your total score.
Tips
- While the ball is visible, feel its steady speed.
- Judge the distance from where it entered the wall to the flag — it makes predicting easier.
- From the 4th try it rolls the other way, so check which side the flag faces first.
What it practices
Motion predictionFollow a movement you cannot see.
Sense of timeEstimate arrival from speed and distance.
FocusKeep track even after the ball disappears.
Great for
- Anyone who loves timing challenges
- People who enjoy a short, tense round
- Families and friends who want to take turns and compare scores
Good to know
A perfect tap scores 100, and 0.3s or more off scores 0. Ratings: within 0.015s "Split second!", 0.03s "Perfect", 0.08s "Nice", 0.18s "So close". The speed and wall position are new every game.