How to play Aces
This rule tells you how you can play an Ace A (or One, 1 if you play with numbered tiles) in a run.
You can play an Ace only in front of a 2.
Either low: A23 , or high: QKA
You can play an Ace in front of a 2, or after a King (13), but not in between a King (13) and a 2.
Both low and high: KA2
You can play an Ace in front of a 2, after a King (13), or in between a King (13) and a 2.
This option also allows A23 and QKA .
Games with this rule
Most built-in games in Rummi use the aces are low rule. Exceptions are Carousel (aces are either low or high); and Rozzy and Windmill (aces are both low and high).
In most Rummy type games, including Rummikub®, aces are always low. In some games however, like Carousel, aces are either low or high.