Online multiplayer

Uses Firebase Realtime Database. The host runs the game and bots; other players join a seat. Empty seats stay as bots.
The CardstockSimulator Firebase config and Realtime Database URL are already built in. You can still paste a different Firebase config here later if needed.
Empty rooms are cleaned automatically. Host rooms are removed when the host leaves or closes the game.

Room lobby

No room
Choose a seat after joining the room. Taken seats are locked; empty seats stay as bots when the host starts. If you change your name after taking a seat, press Update name on your seat.

Settings

1.00×
Drag suits into order, or tap one suit and then another to swap them.

Rules / How to Play

Quick start: Amerikaner is a 4-player trick-taking card game. Bid how many tricks your side can win, take the kitty if you win the bid, choose trump by leading the first card, call a partner card, then try to make your contract. The kitty counts as 1 trick for the bidder's side.
1. Goal of the game
Win points over several rounds. A full match ends when a player reaches the winning score from Settings. You can also play a single round from the menu.
2. Players, cards, and the kitty
  • The game has 4 seats: You, Left, Top, and Right.
  • A standard 52-card deck is used.
  • Each player receives 12 cards.
  • The remaining 4 cards are the kitty.
  • The bid winner takes the kitty, then discards exactly 4 cards.
3. Bidding
  • Players bid in turn or pass.
  • A number bid means your side promises to take at least that many tricks.
  • The minimum bid can be changed in Settings.
  • In this version, number bids go up to 13. Bid 13 means taking every trick with a partner; Amerikaner is the special solo all-tricks bid.
  • When everyone else has passed, the highest bidder wins the kitty.
4. Trump and partner call
  • After discarding, the bidder leads the first card.
  • The suit of that first card becomes trump.
  • Then the bidder calls one trump card they do not have.
  • The player holding that card becomes the bidder's partner.
  • If no live callable trump card exists, the bidder plays alone.
  • The partner may be hidden until the called card is revealed through play.
5. Playing tricks
  • The leader plays one card.
  • Other players must follow the led suit if they can.
  • If they cannot follow suit, they may play any card.
  • Trump beats non-trump.
  • If no trump is played, the highest card of the led suit wins.
  • The trick winner leads the next trick.
6. Scoring in this game
  • The kitty always counts as 1 trick for the bidder's side.
  • For normal bids, the bidder's side succeeds if kitty trick + played tricks is at least the bid.
  • If the bidder's side succeeds, each bidder-side player gets points equal to the bid.
  • If the bidder's side fails, each bidder-side player loses points equal to the bid.
  • Defenders score 1 point for each trick they personally win.
  • Bid 13 means the bidder side must take the kitty trick plus all 12 played tricks, with a partner.
  • Amerikaner means the bidder plays alone and must win all 12 played tricks.
  • Successful Amerikaner gives +52 to the bidder. Failed Amerikaner gives -52 to the bidder.
7. Online multiplayer notes
  • The host browser runs the game logic and bots.
  • Other players join the room and take open seats.
  • Empty seats stay as bots when the host starts.
  • If the host leaves, the room closes.
  • This is intended for casual play with people you trust.

Hand history

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Round complete

Victory

Amerikaner (You + 3 bots)
Scoreboard
Bot Top
Bot Left
Bot Right
You
Table chat
No messages yet.
Round complete.