Cogitster — Philosophy, in order

A philosophy timeline game

Place ideas in time.

Build your timeline from quotes, thinkers, books, concepts, and events.<br>Get the year right, and outthink the AI.

Choose your opponent

Curious Friendly start

Scholar Fair challenge

Oracle Strong opponent

Rounds

5 rounds<br>10 rounds<br>15 rounds

Start a solo game →<br>Resume saved game<br>Progress is saved in this browser for this prototype.

Your library<br>games played

cards discovered

Round 1 of 10

Your turn

You0

Curious0

Your timeline

Where does it belong?

1 card

Choose a position, then lock your answer.

Lock in placement →

Drawn card

Quote01

“The unexamined life is not worth living.”

Place this thought on your timeline.

Cogitster✦

Curious's timeline

One idea at a time

Waiting for you

Timeline complete

A close call.

You0

Scholar0

Play again →<br>Change settings

The short version

Build the history of ideas.

Read the card, but not its year.

Choose where it belongs in your revealed timeline.

Reveal the answer. A correct placement earns one point.

The AI follows the same rules. Its skill is simulated, not generated by a language model.

Save your timeline

Continue with email.

We’ll email you a secure sign-in link. Your active solo game will be available on any device.

Email address

Email me a sign-in link →

Prefer to stay local?<br>Play without an account