How do I start?
Gather 2–8 players, shuffle the 142-card deck and deal seven cards to each player.
How to play STACK
Simple rules. Tactical choices. A table that can change in a single play.
What can I play?
Play a Number Card that matches the Active Color or the number of the Active Card, or use a valid Special Card. You can also draw one card and play it if it is valid.
How do I STACK?
Say “STACK” before starting a sequence. A normal STACK uses at least two Number Cards of the same color: start with the number of the Active Card, then continue with consecutive numbers in ascending or descending order.
What do Specials do?
Special Cards can change the direction of play, skip a player, make opponents draw cards and create other interactions. Check the official rules for each card’s effect.
How do I win?
Say “STACK” before playing a card that leaves exactly one card in your hand. Win by playing all your cards legally. A valid Special Card can be your last card: the game ends immediately without applying its effect.
LEARN THE DECK
See your next move.
Explore Number Cards and Special Cards in the official card gallery.
THE CARDS
THE COMPLETE GUIDE
OFFICIAL RULESRead the official rules.
This page is an introduction. The full rules define legal plays, special interactions and penalties.