Squiggle Brain
Ready for 3 quick games?

Free brain games for adults, doodled

Challenge your memory, focus, speed, math, logic and words with 3 quick games a day, all drawn in pencil on notebook paper.

What is Squiggle Brain?

Squiggle Brain is a set of short, hand-drawn mini-games for adults. Each day it picks a 3-game workout across six skills, and you can play any game any time in free play.

3 games a day

A fresh workout every day, about three minutes long. Tick it off and keep your streak.

Games that adapt

Each game gets harder when you're on a roll and eases off when you miss.

Scores by skill

Track your scores by skill and beat your personal best on a six-skill chart.

The games

16 doodled games, each a minute or so. Every one is free to play.

Flash Grid
Memory

Stars flash on the grid for a moment. Tap every square they were on.

What Changed?
Memory

Study the doodles on the page. When it comes back, one thing is different. Tap it.

Odd Doodle
Focus

All the doodles look the same, except one. Find it fast.

Ink Clash
Speed

Tap the pot that matches the rule. INK: the colour it's written in. WORD: the colour it says. Watch out, the rule switches!

Doodle Sums
Math

Each doodle stands for a number. Work out what they're worth, then answer the last line.

One Stroke
Logic

Trace every line in one go, without lifting your finger or going over a line twice. Where you start matters!

a b c
Scramble
Words

The letters got mixed up. Tap them in order to spell the word. Tap the last letter to take it back.

Pair Up
Memory

Flip two cards at a time and find every matching pair. Fewer flips, more points.

4 7 1
Number Recall
Memory

A number is written for a moment. When it disappears, tap it back digit by digit.

Count It
Focus

Doodles everywhere! Count only the one you are asked for, as fast as you can.

Spot the Twins
Focus

Every doodle is a little different, except two. Tap the identical twins.

Quick Tap
Speed

Doodles pop up for a blink. Tap only the target, leave everything else alone.

9>6
Bigger One
Speed

Two numbers or sums. Tap the one that is worth more, fast.

3+7
Make Ten
Math

Tap two numbers that add up to the target. Clear the whole page!

Arrow Path
Logic

Start at the red dot and follow the arrows in your head. Tap the square where you end up.

c_t
Missing Letter
Words

One letter fell off the word. Pick the letter that fixes it.

How the daily workout works

  1. Open the app. Today's workout is three games from three different skills.
  2. Read the one-line how-to, then play. Each game takes about a minute.
  3. See your score, your accuracy and how your skill points moved.
  4. Finish all three to tick off the day and grow your streak.

Free, simple, yours

Every game free

No game is locked behind a paywall and there's no subscription. The app shows ads from Google AdMob; a one-time purchase removes them.

No account, works offline

Open it and play. Your progress stays on your phone, and every game works without internet.

Questions

Is Squiggle Brain free?

Yes. Every game and the daily workout are free to play. The app shows ads, and you can remove them with a one-time purchase. There is no subscription.

Do I need an account?

No. Open the app and play. Your scores, streak and settings are saved on your phone only.

Does it work offline?

Yes. Every game works without internet. Ads only load when you're online.

Which phones does it run on?

Android phones, through Google Play. There is no iPhone version yet.

Who is it for?

It's made for adults and teens who want a quick daily mental workout. The games start easy, so it also suits older players.

Is it a medical or IQ test?

No. Squiggle Brain is a game for fun and practice. It is not a medical device and does not diagnose, treat or prevent any condition. Higher scores show you're getting better at these games.

From the blog

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Three games. About three minutes.