Each day, Spark explores a single theme, from rebellions and rockets to Pokémon and potatoes, through thoughtful puzzles spanning history, pop culture, science, geography, sports, and more.
United States
CogniFit stimulates and rehabilitates your cognitive functions with memory games, puzzles, reasoning games, educational games, and learning games to challenge your brain. Compare your cognitive skills with the rest of the global population.
Spain
EU
A set of free browser tests for reaction time, F1 starts, aim, number, sequence, visual and verbal memory, focus, color matching and typing. Results include score explanations, personal history, device-separated stats, leaderboards, nicknames and challenge links, without an account.
South Korea
Train your brain daily with IQ Arena! Improve memory, focus, logic, and more through fun, science-based challenges and IQ tests.
CroatiaEU
MentalUP is a scientific and entertaining educational games application, developed by academicians and pedagogies. It has memory, math, visual, problem solving, math, verbal games etc.
United Kingdom
Brain training that plays like a game: 11 short browser games measuring reaction, memory, logic, focus and spatial skills.
GermanyEU
