Cognivo

Games

Everything here plays in your browser, with nothing to install and no account.

Arcade

Quick to pick up, made with our own tools.

Ember

A small flame crosses the night to light a lantern. Run, jump, dodge the water and spikes, and land on the drips to turn them to steam.

  • New
  • Platformer
  • Ten levels
  • Keyboard or touch

Delve

Carry a lamp through a dark cave to the stairs down. Each key opens one door, and the bats and spiders do not care that you are in a hurry.

  • New
  • Top-down
  • Keys and doors
  • Ten levels
  • Keyboard or touch

Board games and puzzles

Nine games against the computer, a friend, or a whole group.

Chess

The deepest game here, with a computer that plays at three strengths.

  • Play a friend
  • Voice moves
  • Memory training

Checkers

Forced captures and kings. Every jump you must take is one they planned.

  • Play a friend
  • Classic

Reversi

Trap a line of discs and they all turn. Corners are permanent, and decisive.

  • Play a friend
  • Three board sizes

Connect Four

Drop a disc and it falls. Four in a line wins, and the centre column decides it.

  • Play a friend
  • Quick
  • Three board sizes

Nine Men's Morris

Place nine men, then slide them. Three in a line takes one of theirs.

  • Play a friend
  • Ancient

Ultimate Tic-Tac-Toe

Nine boards in one. The cell you take decides where your opponent plays next.

  • Play a friend
  • Quick
  • Nine boards

Hex

Join your two edges before they join theirs. It can never end in a draw.

  • Play a friend
  • Quick
  • Never a draw

Dots and Boxes

Close a box and go again. The trick is who runs out of safe moves first.

  • Play a friend
  • Quick
  • Pencil and paper

Spy Games

Timed cipher missions: Caesar, substitution, signal scramble and dead drop.

  • Quick
  • Solo puzzles
  • Four ciphers