Do these work on a school Chromebook?

Perfectly — it's a lightweight browser page, which is exactly what Chromebooks are built for. No installs, no plugins, loads in seconds where the network allows.

Do we all need accounts?

Nobody does. Auto-generated nicknames (editable) mean the whole class can compete without a single signup form.

What if the bell rings mid-game?

Close the tab — nothing is lost. Duel links stay valid, so the grudge match resumes at lunch exactly where the bell interrupted it.

Do reaction games actually improve reaction time?

Regular short sessions do — most people cut 10–15% off their average within 4–6 weeks. The reaction-time guides on this site cover the training method.

Best reaction games for when you're bored at school

School boredom has a specific texture: you have four minutes between classes, a Chromebook that fights every website, and a friend two rows over who claims — loudly, daily — to have the fastest hands in the class. All three problems have the same solution.

These games load in seconds on the worst laptop in the trolley, need no installs or accounts, and end fast enough to fit a passing period. Break time only, obviously — the games will still be there after the bell, and so will your rival.

Ordered by how directly each game measures stimulus-to-response time — the same skill reaction tests measure, made competitive.

The ranking

1. ⚡ Reflex

The definitive settle-it game: green means tap, fastest wins, and the class loudmouth's excuses evaporate against a millisecond readout. (Tap the block the instant it turns green.)

2. 👁️ Odd One Out

Spot the different block first. The 'find the difference' puzzles from childhood grew up and got competitive. (One block is different. Find it first.)

3. 💥 Survive

Blocks vanish faster and faster until your fingers give out — the solo mode for when the group chat is dry. (Tap the blocks before they vanish. Then it gets faster.)

4. 🎯 Hunt

Six targets, minimum time. Settles who has the best hands without anyone having to say 'trust me'. (Six targets. Minimum time. Go.)

5. 👊 Smash

Three seconds of furious tapping — recess energy, compressed and scored. (Most taps in 3 seconds wins. No elegance required.)

6. 🧠 Memory

Watch, memorise, repeat — the one game where the quiet kid who actually studies destroys everyone, deservedly. (Watch the sequence. Repeat it. Don't blink.)

Duel by link: why it fits for boredom at school

One challenge link in the class group chat does what a week of arguing can't: everybody plays the exact same rounds, results stack up under the link, and by lunch there's a ranked list of who's actually fastest. The kid who talks the most rarely tops it — a lesson no textbook delivers as efficiently.

All of these live inside blocks.pw — nine duel mini-games plus solo modes with world leaderboards, every one free in the browser. Start a quick match, send a challenge link, or browse every game.