Uruguay Rules
Uruguay is Canasta with a few minor modifications:
Wild cards may be melded as a set of their own (three or more).
There is no distinction between jokers and twos; both are wild, and may be mixed freely.
A canasta of seven wildcards earns a 2000-point bonus.
The discard pile is always "frozen", and can only be taken by a player having a natural pair matching the upcard.