Skip to content

Instantly share code, notes, and snippets.

@fogus
Last active December 3, 2025 20:19
Show Gist options
  • Select an option

  • Save fogus/4af1c0939dd2840d2cec4280cc625954 to your computer and use it in GitHub Desktop.

Select an option

Save fogus/4af1c0939dd2840d2cec4280cc625954 to your computer and use it in GitHub Desktop.
============================================================
CORVO
============================================================
/this is a work in progress/
A strategic 2-player card game combining tactical hand
building and combination-based shedding.
Required Materials:
- Standard 52-card deck
- Paper and pencil for scoring
- Optional: doubling cube
Overview:
- Phase 1: Hand-building phase where players play tricks
to sculpt their final Phase 2 hands.
- Phase 2: Climbing/shedding phase where players play
combinations to shed cards. Winner is the first to shed
all of their cards.
============================================================
Phase 0 - The deal
============================================================
Players shuffle and cut and then burn two cards from the
deck before dealing out 13 cards to each player. The
remaining 24 cards are put between the players.
============================================================
Phase 1 – Hand Building
============================================================
1. Reveal the top card to set the trump suit.
2. Players alternate playing one card per trick. Highest card
of the led suit or trump wins, following standard
trick-taking rules.
3. Winner of the trick chooses one card to take into their
hand:
a) the revealed trump card
b) one of the two cards played in the trick
c) the blind top card of the draw pile
4. Loser then takes one of the remaining options into hand.
5. The unchosen cards are removed from the game. If neither
player chooses the blind top card, it is kept face-down
when removed from play.
6. Repeat until all 24 of the draw cards are exhausted.
7. Player winning the most Phase 1 tricks starts Phase 2.
If there was a tie, then the last trick determines the
Phase 2 start player.
============================================================
Phase 2 – Climbing / Shedding Play
============================================================
1. Players alternate turns playing legal combinations
from their 13-card Phase 2 hand.
2. Legal combinations:
- Single: any one card
- Pair: two cards of equal rank
- Triple: three cards of equal rank
- Five-card poker hands:
* Straight (any 5 consecutive ranks)
* Flush (any 5 cards of same suit)
* Full House (3 + 2 of same rank)
* Straight Flush (consecutive 5 of same suit)
A 4-of-a-kind bomb can be played in response to, and beats,
any of the combinations above.
3. Determining a winning combo:
- Combos must match the type of the previous play, or
beat a previous 5-card poker hand with a higher
hand type.
- When comparing same type:
* Higher rank beats lower rank
* If ranks tie, suit rank determines winner:
Spades > Hearts > Diamonds > Clubs
4. Turn continues until a player cannot or chooses not
to play a higher combination. The player who played
the last combination leads the next turn.
The player who sheds all of their cards first wins the
round, and calculates their round score.
============================================================
Round Scoring
============================================================
The round winner scores the number of cards left in the
opponent's hand.
============================================================
Variant – Doubling Cube
============================================================
- Cube ownership: initially given to the player who wins
the most tricks in Phase 1.
- Cube starts at value 1; cube owner may propose a double
**before playing a combination on their turn**.
- Opponent may accept or decline:
* Accept: game continues at doubled value; cube ownership
switches to the opponent.
* Decline: opponent immediately loses at current cube
value multiplier.
- Leftover cards × cube value determines points if this
variant is used.
============================================================
Rationale
============================================================
Corvo was designed to combine the strategic strengths
of Big Two and German Whist:
- German Whist contributed Phase 1 hand-building, trick
play, and partial information tension. German Whist's
downside is that, by itself, it is a straightforward
trick-taking game with limited scoring depth. Phase 2
of Corvo solves this by introducing Big Two–style
combination play, allowing players to make multi-card
strategic plays and shed cards in meaningful ways,
creating richer tactical decisions and a more engaging
scoring dynamic. I'm burning two cards before hands are
dealt to add some hidden information to an otherwise
perfect information GW mode. Phase 1 could still be
PI if none of the face down cards are taken or if every
face down card is eventually played in the trick phase.
This is not likely to happen very often in practice.
- Big Two contributed Phase 2 combination climbing play;
in 2-player Big Two, strategic tension is lost because
using 26-card hands would give perfect information,
while smaller hands reduce gradual revelation. Phase 1
of Corvo solves both problems by letting players
sculpt their Phase 2 hands through trick play with
partial information, preserving uncertainty and
enabling gradual hand revelation.
- By focusing scoring on leftover opponent cards, the
game simplifies scoring. My hope is that
the game is engaging enough to motivate two great
friends or family members to play matches up to
1M points!
- The doubling cube is optional for now, but I hope it
adds a strategic meta-layer, rewarding skillful
judgment on when to escalate stakes.
- The game is named Corvo after Baron Corvo (aka
Frederick Rolfe), whose life inspired the two-phase
structure. He frequently cultivated intimate
relationships (i.e. Phase 1), only to later burn those
relationships to the ground through scandal and betrayal
(i.e. Phase 2). See AJA Symons' biography, The
Quest for Corvo, which explores these aspects of his
life in exquisite depth.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment