☠ Submarine Hunt

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Objective

You captain a WWII diesel submarine. Hunt down enemy shipping, sink at least 50 Sink Points worth of ships, and make it safely back to a home base to win. Run out of Oxygen or Battery, or let enemy fire exceed your submarine's 100 Hull Points, and it's game over.

Each Turn

Pick one action: Hunt for ships, Fire a Torpedo at a ship you've already detected, Change Cruising Mode (Surface ↔ Diving), or attempt to Return to Base. After your action, a Consequence Phase always follows: Oxygen and Battery adjust for your current Mode, and there's a chance the enemy detects you.

Cruising Modes

Mode	Sonar Dice	Oxygen/turn	Battery/turn	Detected on a roll of
Surface	3	+2	+1	1-4 (out of 6)
Diving	2	-1	-1	1-2 (out of 6)

Surfacing recharges your supplies fast but is easy for the enemy to spot. Diving is stealthy but burns Oxygen and Battery every turn — run either out completely and your crew is lost.

The Hunt

Roll your Sonar dice. You may use any single die's result, or the sum of any two dice, to pick which of the ten face-down Detection Cards (numbered 1-10 left to right) to turn over. A number card means nothing was there. A face card, Ace, or Joker means you've found a ship, which you can torpedo on a later turn.

Attacking

Flip the top Attack Card. Number cards score their pip value; face cards and Jokers are misses (0); an Ace scores nothing itself but doubles the card next to it (the one just before it, or the next one if the Ace comes first). Keep flipping and adding until your running total meets or beats the ship's Sink Points, or you choose to break off. A Consequence Phase follows every single card flipped.

Ships

Card	Ship	Sink Points	Detection penalty while attacking
Joker	Enemy submarine	50	+2
Ace	Battleship	40	—
King	Destroyer	30	+1
Queen	Cruiser	20	—
Jack	Merchant ship	10	—

Enemy Detection & Attack

Every Consequence Phase, one die is rolled against your Mode's detection numbers above. Three detections in a row (no miss in between) means the enemy opens fire: Damage Cards (using the same values as Attack Cards) chip away at your Hull Points. After a hit, your detection number is +1 for as long as the exchange continues (this bonus never stacks higher than +1) — miss once and you break off cleanly, chips reset. Hull Points reaching 0 sinks your sub.

Returning to Base

Roll three dice; any 6s are locked in and you only re-roll the rest next time. All three showing 6 means you've arrived: full supplies, a fresh 24 torpedoes, and a freshly shuffled Detection Row.

Winning

Earn at least 50 Sink Points and make it safely back to a home base.