AltF original
Reaction time, visual memory, number span and typing speed, each scored against everyone else who has taken it.
Reflex Lab sits in Brain Trainers under Play, and we have it filed as a minute — one quick round, then you can leave. It reads as competitive and brainy.
Memory, reaction, attention and pattern-matching drills that happen to be fun. Short sessions, visible progress, and a score you will want to beat.
Click targets as they pop up and get scored in targets per second. Shooter players use it to warm up before a session.
Dual n-back, the working-memory drill psychologists keep arguing about, implemented properly and charted over time.
A scrappy free collection of brain teasers and n-back drills that has been quietly online since long before the app stores existed.
A plain, ad-free bank of cognitive tests — n-back, digit span, Stroop, mental rotation — that keeps a history of your scores.
The 1978 electronic memory toy rebuilt faithfully in a browser tab, still beating most grown adults somewhere around level twelve.
Reaction time, sequence memory, the chimp test and verbal memory, each scored against millions of other people's attempts.
Millions of chess tactics pulled from real games and served at exactly your rating, entirely free and with no account required.
The best-known brain-training subscription, with a free daily set of games and rather a lot of graphs about your own decline.