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Hex Invaders

Shoot the alien whose colour matches the hex code shown. Learning to read hex by sight is an accidental side effect.

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How to get the most from it

Hex Invaders sits in Design Challenges under Make, filed as a minute.

  • Give it one round. There is nothing to finish and nothing lost by leaving.
  • Use a laptop or desktop computer — we file it as desktop only.
  • It works with the sound off, so it is fine on a train or in a quiet office.
  • No account needed — you can start without signing up.
  • Go in expecting something competitive, clever and funny.

About this category: Kerning trials, alignment tests, colour matching and spot-the-difference for interface designers. Humbling in a useful way.

Good for

  • A one-round break between tasks
  • Chasing a better score
  • Being impressed by a clever idea
  • A reliable laugh
  • A quiet break at your desk
  • Trying it with zero commitment

Hex Invaders: quick answers

Is Hex Invaders free?

Yes. Hex Invaders is free to use and needs no account.

Do I need an account to use Hex Invaders?

No. You can use Hex Invaders without signing up for anything.

Does Hex Invaders work on a phone?

Not well. We file Hex Invaders as desktop only, so open it on a laptop or desktop computer.

Is Hex Invaders safe for work?

Yes, we file it as safe for work. It also works muted.

How long does Hex Invaders take?

We file it as "A minute": One quick round, then you can leave.

More in Design Challenges

All 14 in Design Challenges

Same mood: competitive

All competitive sites
  • Falling blocks rotated onto a hexagon and sped up, which sounds like a novelty and turns out to be genuinely hard.

  • Reaction time, sequence memory, the chimp test and verbal memory, each scored against millions of other people's attempts.

  • Numbers-heavy tower defence with endless mode, research trees and the general energy of a very well-kept spreadsheet.

    • 1 hr+
    • Desktop
  • Home of BombParty, where a bomb passes round the room and you type a word containing the given letters before it goes off.

    • 10 min
    • Desktop

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