Adults
A minute and a half of attention training with no words or numbers. Works well as a break between tasks.
Also known as: multiple object tracking test, MOT test online, divided attention game, track the tagged fish
A few fish in the tank are tagged for a couple of seconds. Then they all look the same and start swimming. When they stop, tap the ones that were tagged. A game lasts a minute and a half. You can play 10 minutes a day without signing up.
Go to the game ↓

The exercise works your divided attention: you have to follow several moving targets at once without mixing them up with identical neighbors. Looking at each fish in turn won’t work, so you have to keep track of the whole group at the same time.
Your score is the number of fish you find correctly. Once you sign up, results are saved and you can see a chart in your account.
Following several targets at once.
Staying on task for every second the fish swim.
Telling identical objects apart by how they move.
The fish swim faster at every level.
Press “Start”. A few fish turn green with a yellow outline for a couple of seconds.
The tags disappear, all fish look the same and swim around the tank for a few seconds.
The fish stop. Tap as many fish as were tagged. Tapping a fish again removes your mark.
Each fish you find correctly earns a point. Missed fish get circled, wrong picks get highlighted.
A round with no mistakes brings more fish that swim faster. Two failed rounds in a row, or a round with two misses, lowers the level. The game ends after a minute and a half.
Press “Start”, remember the tagged fish and find them after they swim.
Tagged Fish
A few fish are tagged, then they all look the same and swim around. When the fish stop, find the tagged ones.
Free play left today without signing up: 10 min
It’s based on the multiple object tracking task proposed in the late 1980s by Canadian psychologists Zenon Pylyshyn and Ron Storm. A person follows several targets among identical dots and, once everything stops, points out which ones were marked. The task is used in attention research.
For a different kind of attention workout, try Wide View and the Schulte Table.
A minute and a half of attention training with no words or numbers. Works well as a break between tasks.
Not part of the “Kids” collection. If your profile says you’re a child, the fish swim slower and there are no more than four targets. Suitable from age 6.
Not part of the “60+” collection. The pace adapts: after failed rounds there are fewer fish and they swim slower.
Answer 4 questions and we’ll put together a daily program of 5 trainers. We’ll email you the full 2-week plan.
Question 1 of 4
A minute and a half. One round takes about ten seconds, so you get around seven rounds per game.
Tap it again to remove the mark. The check starts once you’ve marked as many fish as there were targets.
So they hide behind one another less often. Your attention decides the result, not a random overlap.
No, you can play 10 minutes a day right away. A free account lets you keep playing, save your results, track your progress and unlock the daily workout.
Yes, the trainer runs in the browser on phones, tablets and computers. Nothing to install.
Free sign-up: round history, a chart by skill and a daily workout of 5 exercises. No credit card needed.
Schulte Table
Schulte Table 5×5
Shuffling Schulte Table
Stroop Test
Stop Signal
Gorbov–Schulte Table
Symbol Coder
Wide View
Emotions
Spot the Difference
Odd One Out
Visual Search
Count the Shapes
More Dots
Two of a Kind
Middle Arrow
Tagged Fish
Shell Game
Reaction Test
Landolt Rings Test
Click Speed
Aim Trainer
Color Blind Test
Hearing TestSign up — it’s free: 10 minutes of play every day, plus history and progress.
While you think it over, read what this exercise trains.