A five-letter word appears. Tap Real if it's an English word, Fake if it isn't — before the bar runs out. As many as you can in 60 seconds.
A right answer earns 1 + the level, plus 1 for every 5 in a row (up to +3). A wrong or late answer costs 2 + the level.
The lexical decision task, a classic in reading research: how fast and accurately you recognise words is at the heart of fluent reading.