FOR THE “WHAT WAS THAT GAME?” MOMENT

Find your next
Clueffy game.

Remember the rocket? The bunny? That one answer nobody else thought of? Find the game, learn the twist, and get playing.

06 games to discoverDifferent worlds.
Different ways to think.
IN THE SPOTLIGHT01 / THE COLLECTION
Cosmillion's blue ocean launch screen, with a little rocket ready for a journey into space
THE ROCKET ONE

Small rocket.
Unexpected answers.

Cosmillion · Uncommon answers take you further.

YOUR NEXT LITTLE OBSESSION

Pick a world. Play your way.

Category quizzes, crowd guesses, and a trip through history.
Read the twist before you start: the same answer won’t win every game.

6 games to explore

Real game screens. Clear starting points.
Cosmillion's pixel-art launch screen with a rocket above a blue oceanRocket & space
Rarer answersOn-site play

Cosmillion

Think beyond the obvious. Your uncommon answers send a little rocket further into space.

Before you play

Seven prompts. Twenty-five seconds each. Aim for a valid answer that few people would choose.

Play here01 / 06
Hopdown's bunny-themed start screen above an underground burrowBunny & burrows
Rarer answersExternal game

Hopdown

A bunny, a burrow, and a question: how far down does your knowledge go?

Before you play

Look for the bunny and the underground scene. Check the game’s on-screen rules before your first dive.

Noillirk Sky climb: a balloon journey through a pixel-art forestBalloons & sky
Popular answersOn-site play

Noillirk

Think like the crowd. Familiar answers lift your balloon through Noillirk’s Sky climb.

Before you play

Sky climb rewards familiar accepted answers. Read the game’s current Daily or Unlimited rules before starting; progress may differ between sites.

Play here03 / 06
Eraly's historical time-travel start screen at sunsetHistory & time travel
Guess the yearExternal game

Eraly

A moment from history. One guess at the year. See how close your memory can get.

Before you play

The daily journey has seven historical moments. Accuracy matters more than an unusual answer.

Krillion's underwater game screenKrill & ocean
Rarer answersExternal game

Krillion

Dive into category questions and look for an uncommon answer that really fits.

Before you play

Each question has its own accepted answer set. An obscure answer still has to belong to that set.

STRANDED's alien-themed game screenAlien & a way home
Rarer answersExternal game

STRANDED

Help a stranded alien get home. Six questions, less obvious answers, and a different ending.

Before you play

The official game connects rarer valid answers with a higher score. Your final total changes the ending.

A SMALL CHANGE IN HOW YOU THINK

Rare answer?
Popular answer?
Know the difference.

These games look like cousins. Their goals can be opposites. A good first round starts with the right mindset.

Read the play guide
WHEN UNCOMMON WINS

Think past your first thought.

Cosmillion rewards less obvious valid answers. Take a beat to find another member of the category.

A fruit?Beyond “apple.”
Illustrative prompt. Accepted answers and scores depend on the game.
WHEN POPULAR WINS

Think like the crowd.

Noillirk rewards familiar accepted answers on its answer board. Familiar can be better than clever.

A category?What would most people say?

A GOOD PLACE TO BEGIN

Less guessing. More good games.

BEFORE YOU DIVE IN

A few good questions.

What are Clueffy games?

People often use the phrase to look for browser games they remember from Clueffy’s videos. It is a search description, not one game or one developer. This independent collection helps you identify individual games by their scenes and rules.

Which games can I play here?

Cards marked “On-site play” open a dedicated game view on this site. “External game” cards open the game’s own website in a new tab. Availability is checked individually; we do not work around a creator’s embedding restrictions.

Do I need to create an account?

You can browse this collection and save games in this browser without an account. Individual games may offer accounts, paid extras or their own privacy choices. Check the game before using those features.

Why is an answer good in one game and bad in another?

Cosmillion and other rarity games favor uncommon valid answers. Noillirk rewards familiar accepted answers on its prepared board. Eraly measures how close your year is to a historical event. Compare the goals in our guide.

Why is a game not loading?

Game availability depends on its publisher and your browser settings. In a game view, give the page a moment and use Help if it stays blank. Reloading may discard a round. Return to the collection to try another game; saved games remain in this browser when storage is available.

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