Atrium
How many digits can you hold?
Digits appear one at a time. When they stop, type them in order. It takes about two minutes and shows where you start today.
Memory training · since 2019
Memory is a skill. Train it here.
Techniques that hold up in research, tools to practise them, and the best books to go further. Walk the palace room by room, or start with a two-minute test.
No cookies · No tracking · No miracle claims
The Gym
Practise, don’t just read.
Each tool trains one technique and links to the chapter that teaches it in full. Scores stay on your device, and only if you choose to save them.
Hall of Methods
Techniques, rated by the evidence.
The memory palace, chunking, the number code, retrieval and spacing. Each comes with a plain label for how well research supports it.
Library
Our books, and the best on the shelf.
The Upgrade Your Memory books, and a guide to the best books on memory by well-known authors. We earn nothing from books by other authors.
Observatory
What works, and what doesn’t.
Brain-training games, sleep, exercise, supplements, speed reading, photographic memory. What the research says, with the sources.
Arena
Speed memory and memory sports.
How memory competitions work, what each event asks, and how competitors train.