Working memory
Level —
Tap Start. Each level adds one more cell.
Reached level
—
Play another
COLOR MATCH
A hex code, twelve swatches. Pick the matching one. Streak as long as you can.
REGEX DUEL
Match the green strings, reject the red. Shortest regex wins. 8 rounds.
PERFECT SQUARE
Draw a closed square in one stroke. We score how square it is.
BITS
Flip 8 bits to match the target number. 10 rounds, race the clock.
Eagle
A one-minute browser game.
MAZE
Escape a randomly generated maze. Arrow keys, WASD, or tap.
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From the Pickuma blog
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Cursor, Claude Code, Codex CLI — tested, not hyped.
Tool directory
Hand-picked SaaS and indie tools that earn their cost.
Finance for builders
Investing essays for developers. Tools, not tips.