Duplicate deck

One or more computer-readable mediums comprising computer-executable instructions that when executed by a processor perform the method comprising:

• (a) receiving electronic information comprising a collection of sequentially arranged virtual playing instruments, wherein the sequential arrangement of the playing instruments has been determined by a method comprising:
• (i) physically randomizing a plurality of physical playing instruments without the use of a random number generator, wherein each playing instrument comprises at least one identifier;
• (ii) electronically determining the identity of at least two playing instruments in a sequential order;
• and
• (iii) electronically storing the identity of the at least two playing instruments of (ii) on one or more computer-readable mediums to create a virtual deck of virtual playing instruments derived from the physical plurality of playing instruments for use in one or more electronic games, wherein the identity of the at least two playing instruments is stored in correlation to the sequence the identities were determined in (ii);
• (b) receiving a request for a virtual deck of virtual playing instruments for use in an electronic game;
• (c) comparing the identity and sequence information of the virtual deck against a plurality of collections of virtual playing instruments;
• and
• (d) determining whether the virtual deck of playing instruments is a duplicate of one of the plurality of collections of virtual playing instruments.