60 seconds

A device slides onto a workbench under a desk lamp. A red seven segment display starts counting down, a fuse cord starts to burn, and there is one word on a strip of tape. Type it and the display flashes green. Miss the deadline and the lamp goes out in a white flash.

How to play Bomb Defusal

  1. Each device has one word taped to it. Type it before the red display reaches 00.00.
  2. A wrong letter snaps a wire and burns half a second off the fuse.
  3. Every six defusals the level goes up: a shorter fuse, longer words and a new kind of bomb.
  4. Three detonations end the round. You can start typing while the next device is still sliding in.

How a round plays

Every bomb carries a single word on a piece of masking tape stuck to its circuit board. The letters you have typed light up, and a bar under the next letter shows where you are. The moment the device stops sliding, the fuse is lit and the timer runs. Finish the word and the display freezes at 00.00 in green, the status light turns green and the bomb slides off the bench while the next one slides in.

Keys you press while a device is still sliding in already count, so a fast reader can be halfway through a word before the fuse even catches. Spaces are ignored, so a habit of hitting the space bar after a word never costs you anything.

Wires, fuses and levels

  • A wrong letter cuts one of the coloured wires on the board. You see it snap, the cut ends spring apart and spark, and half a second burns off the fuse.
  • Every six defusals the level goes up. The fuse gives you less time per letter and the words get one letter longer every couple of levels.
  • Each level brings a new device: a pipe bomb, an open briefcase, a bundle of dynamite with an alarm clock, and a glowing sci-fi canister.
  • Three detonations end the round. Your remaining fuses are shown in the top corner.

Scoring

Each bomb is worth ten points per letter, plus a bonus for the time left on the display and a little extra if you defused it without cutting a wire. A streak of defusals in a row raises a multiplier, and a detonation resets it. Higher levels multiply everything a little more.

Why it helps your typing

Most typing practice runs against a long, calm clock. Here every word has its own short deadline, and the last two seconds tick faster while the lamp starts to flicker. It trains you to stay accurate when you feel rushed, which is where most people's speed falls apart. A mistake costs time rather than just a red letter, so you learn quickly that one clean attempt beats three hurried ones. Advanced mode starts with longer words and a tighter fuse, so it stays tense well past 80 words per minute.

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Questions people ask

What happens when I type a wrong letter?

The letter is not entered. One wire on the board snaps, the device jolts and the fuse loses half a second. Type the right letter and carry on.

How long is the fuse?

It depends on the word and the level. On level one you get roughly a second per letter plus time to react; each level takes about fourteen percent off the time per letter.

Can I start typing before the timer starts?

Yes. As soon as the tape is visible your keys count, even while the device is still sliding onto the bench.

Does it work on a phone?

Yes. The scene scales down to small screens and works with an on-screen keyboard, though the later levels are much easier with a physical one.

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