When he yells "change!" they have to change the last thing they said
Derek Martz and Jake Wallach perform the short-form game Change at Logan Square Improv in Chicago. In the game, a caller shouts "Change!" to force a performer to replace the last line spoken with a new one, generating increasingly absurd substitutions.
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2:14Logan Square Improv
Each line has to start with the next letter of the alphabet...
A performance of the Alphabet Game at Logan Square Improv in Chicago, performed by Erin Washington and Lauren Frost. In this short-form constraint game, each new line of dialogue must begin with the next sequential letter of the alphabet, forcing players to justify increasingly awkward initiations while maintaining scene coherence.