Official website for Sunchild Debut Online (SDO), an experimental graphical MUD built in public. Devlogs, updates, and playtests.

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2026-03-02 digital foil

Duel Rules

Core rulez:

  • 2 opponents.
  • Turn-based, simultaneously.
  • Fixed frequency: 1 Hz.
  • At the start, each opponent has 12 attack points.

Each turn:

  • The opponents simultaneously choose their attack power: the number of points they wish to invest.
  • If you have attack points remaining, you MUST invest at least 1.
  • The attack points are then spent and are no longer available.
  • The duelist who invested the most points wins this turn and gains 1 victory point.
  • If both duelists invested the same amount, no victory point is awarded.

Victory sets:

  • 3 victory points form a set.
  • A bonus of +1 attack point is awarded to the duelist who wins a set.

End Condition:

  • When both opponents have 0 attack points, the duel ends.

Victory Condition:

  • The duelist with the most sets wins the duel.
  • In case of a tie in sets, the total victory points are compared.
  • If the tie persists, the match is a draw.

Win strategy

  • Either invest 1 more attack point than the opponent,
  • Or let the opponent waste their attack points by investing too much.

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This website is the landing page of our upcoming video game SUNCHILD DEBUT ONLINE. Development is public and updated weekly, as part of the creation process.

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