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Inventory

Every card is one concept a lesson teaches. The cards come from all 202 of those concepts. Each card has a suit, which is its course, a level, which is its lesson, and an ability, which is read off the concept itself. A loop card runs twice. A branch card bets on the question. The site rolls a rarity for each card. So a mythic is not a rarer concept. It is a rarer copy of one. Any card takes you to the lesson it came from.

Checking your packs

How the cards work

A card’s suit is its course. Its level is its lesson. Its ability comes from the concept on it, and it is what the card does in a boss fight. Extra copies of a card add 5 damage each, up to 15.

  • MarkupHTML and CSS
  • ScriptJavaScript
  • EngineMake a Platformer
  • Render3D on the Web
  • Structure42 cards

    Opens the fight. Played in round 1, it hits twice as hard.

  • Style44 cards

    Ignores the guard. A guarded round does not halve it.

  • Data62 cards

    Adds up. It hits 10 harder for every card played before it.

  • Branch20 cards

    All or nothing. A right answer triples the hit. A wrong answer halves it.

  • Loop13 cards

    Runs twice. The second hit is half as strong.

  • Function17 cards

    Returns a value. The next card you play hits 10 harder.

  • Debug3 cards

    Prints a clue. One wrong answer is crossed out before you choose.

  • Random1 card

    Rolls. It hits anywhere from half to double its power.

Collection