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Playing telephone in teams can add a fun competitive edge to the game.  Teams will each play the game in same manner, with one person starting the game off and the players whispering it down the line.  However, one player is chosen to whisper the same word to both teams.  The goal is to see which team can end the game with the word being closest to the original.  Words that are closer will generally sound more alike or be a variation of the original word. Words that are farther apart from the original will generally have wildly different sounds and meanings. For example, you may start with the word "benevolence".  One team ends the game thinking that the word was "beneficent", while the other team got "detriment".  In this case, the team who said "beneficent" would be closer to the original word and win the round. In this version, players are required to make changes.  Even if you hear the phrase correctly, you must add one or two differences.  This will result in huge changes to the original phrase the game started with. For example: If you started out with "Mary had two white cats," the next person might say: "Mary had two black dogs." The third person might say: "Mary had one black-and-white dog." If you are finding that your team is able to keep the word or phrase close to the original, you can try making the game harder.  Try picking new words or phrases that are more difficult to hear correctly.  Keep some of these tips in mind when trying to make the game of telephone a bit more difficult:  Pick longer words or phrases.  The more you say, the harder it will be to pass on to the next person.  You might try using "Squirreled" or "Can you can a can as a canner can can a can?". Pick words that aren't often used.  For example, "magnanimous" isn't said often and may cause players to mishear it. Use random words that don't have context.  For example using “tower, nose, zircon” would make it much more difficult to guess what was said without the context that normal phrases would have.
Play in teams. Try the “rumor” variation. Increase the difficulty.