Core

Core cognitive drills for attention, memory, logic, and estimation.

Attention Blink

Spot two targets in a rapid stream of flashing items.

Focus Grid

Memorize a lit pattern, then recall it perfectly.

Dual N-Back

Match position and letter from N steps ago.

Sustained Vigilance

Watch for rare targets in a long stream of distractors.

Mental Map Navigation

Track directional sequences on a hidden grid, then report your location and heading to start.

Digital Logic Gates

Evaluate chained AND, OR, NOT, and XOR circuits from live input bits.

Arithmetic Tetris

Drop number blocks and clear adjacent pairs that sum to the target before overflow.

Phone Memory Trainer

Memorize one name-and-phone contact card, then recall both pieces exactly from memory.

License Plate Trainer

Memorize a country and a realistic license plate, then recall both exactly from memory.

Stroop Shift

Name the correct color under interference with selectable twists: rule pulses, memory echoes, emotion spikes, or mixed mode.

Maze Routing

Predict the correct boundary exit from a given entry in a classic branching maze where only one route connects.

Trainers

Skill-focused symbol systems and encoding practice.

Morse Code Trainer

Practice decoding and encoding Morse signals with timed rounds and keyboard controls.

Braille Trainer

Train both directions with Grade 1 braille: decode cells into letters and encode letters back into dot patterns.

Word Games

Lexical search, semantic reasoning, and language pressure loops.

Word Forge

Build as many valid words as possible from a generated 6-12 letter set and score by word length.

Word Tetris

Drop weighted letter blocks and clear horizontal or vertical dictionary words in any reading direction.

Word Memory Recognition

Judge each word as seen-before or new while balancing speed and accuracy across a mixed memory stream.

Semantic Rank

Find the hidden word by semantic closeness, with each guess ranked against the full dictionary.

Under Construction

These games are being improved and actively expanded.

Constraint Builder

Complete 4x4 logic grids with row and column constraints under time pressure.

Estimation Lab

Cycle through quantity, timing, and length estimation with calibrated feedback.

Fermi Estimation

Run timed estimation rounds from the imported Fermi seed bank, with unit-tagged answers and confidence tracking.

Contextual Synonyms

Replace a highlighted word with context-matching synonyms and inspect four separate semantic closeness metrics for every guess.

Pattern Breeder

Explore evolving visual patterns: keep the designs you like, then breed the next generation with crossover and mutation.