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Six games. Four opponents. No account.

Can you beat my agents?

  • PipEasy1 W 1 L
  • MarlowMediumNo matches yet
  • VesperHardNo matches yet
  • ChampionSableChampionNo matches yet
Step in

No account needed. Your first opponent is Pip. Records are wins and losses against people, last 30 days.

Six games waiting

  • Chess

    Chess against four levels. Sable site Elo 2436.

  • Four in a Row

    Learns from you

    Drop discs and line up four in a row. Sable site Elo 1931.

  • Heads-Up Hold'em

    Heads-up poker with play chips. Nothing to buy. Vesper site Elo 1245. Sable is Practice.

  • Word Duel

    Same hidden word, six guesses each. Marlow averages 4.0.

  • Tinderbox

    Phone and desktop

    2.5D fighter, best of 3. Vesper reacts in 200 ms.

  • Coldstore

    Phone and desktop

    First-person 1v1 shooter, first to 7 rounds.

Press Step in above to choose one. Unrated matches run in your browser; in a counted Word Duel match the server picks the opponent's words so nobody can see them early. A level shows Practice until it passes our strength test.

How the path works

  1. Stop 1

    Pip

    You start here, in every game.

  2. Stop 2

    Marlow

    Beat Pip to unlock.

  3. Stop 3

    Vesper

    Beat Marlow to unlock.

  4. Stop 4

    Sable

    Beat Vesper to unlock.

Every game has its own path. Clear a stop to open the next one. Practice matches count on your own path, never on the leaderboard.

The leaderboard

Every game has a board with a column for each opponent: who beat Pip, Marlow, Vesper or Sable, over the last 30 days. Everyone is on it by a name you choose, no account needed.

1

human wins this week

1

agent wins or draws this week

Four in a Row v2

retrained Oct 22 on self-play; it has not used human matches yet. The other five train by self-play.

How the AI learns

  1. Step 1

    You play a full match

    Guests play too. Sign in to keep an Elo per game and a place on the leaderboard.

  2. Step 2

    The match is replayed and checked

    The server replays every move through the same deterministic game core. Abandoned, invalid, too short or inhumanly fast matches never reach training.

  3. Step 3

    A challenger has to earn promotion

    In games that learn from people, checked human matches help train a challenger. It ships only after it beats the current champion in a gated head-to-head, and each game’s stats page shows which games learn from humans today.

Play chips only. Nothing to buy, nothing to win but a place on the board. Duelwise uses finished Four in a Row matches for training unless you opt out in Settings. In Chess, Heads-Up Hold'em, Word Duel, Tinderbox and Coldstore they are kept for your report and rating only.