A to Z
Words worth knowing.
Short definitions for the ideas behind brain games, and for the words Wits uses.
Letter B
- Brain training
Practicing mental tasks, often as short games, to get better at them. Research shows people improve on the tasks they practice; how far that carries over to everyday life is still debated.
What brain training is and isn’t
Letter C
Letter D
- Daily set
In the Wits iPhone app, the quick games picked for you each day alongside Dot Path: 3, 6 or 12 quick games for the 5, 10 or 20 minutes a day you choose. On the website, the daily set is Color Clash and Word Code.
How it works- Dot Path
The Wits daily puzzle: one line through every blue dot, avoiding red ones. Each day opens your next level.
About Dot Path
Letter E
Letter H
- Hamiltonian path
A route through a grid or network that visits every point exactly once. Dot Path puzzles ask you to find one.
Dot Path strategy
Letter M
- Mental arithmetic
Doing sums in your head, without paper or a calculator.
Mental math tricks
Letter P
Letter R
- Retrieval practice
Trying to bring something back from memory, rather than rereading it, as a way to study.
Guide to retrieval practice
Letter S
- Spaced repetition
Reviewing something at growing intervals, such as a day later, then a few days later, instead of all at once.
- Stars
In Wits, up to three for clearing a level: one off for each mistake and one off for finishing in the last fifth of the clock.
- Stroop effect
The slowdown and errors people show when naming the ink color of a word that spells a different color, first described by John Ridley Stroop in 1935.
Guide to the Stroop effect

Knowledge
Language
Reasoning
Numbers
Memory
Focus