Human vs Agent

Play Connect4

Choose an opponent, set the opening policy, and test live gameplay on a board that now scales with the viewport.

Session

No active game.

Move Clock

Move clock: -

Match Setup

Difficulty ladder, opening policy, and optional safety rails.

Difficulty Agent Opening Player

Advanced controls

Move Timer (sec) Undo Mode Column Forecasts Forecast Lookahead

Human disc Agent disc

Start a game to begin.

Stable notes instead of shifting board-corner text.

Use the arrows above the board to drop into a column.

Estimated likelihood choosing a column will result in a win for the player. These percentages do not sum to 100%.