Word Find teams study in pairs. One team asks the questions, and the other team replies with corresponding synonyms, antonyms or vocabulary words.
Vocabulary bingo allows test takers to have practice with synonyms and antonyms. You can create bingo boards with synonyms and antonyms on them. One person calls out vocabulary words written on cards and players look for and mark off the matching synonym or antonym. Once someone gets five spaces in a row, everyone reviews to be in agreement that they are proper synonyms or antonyms and the game starts over.
To prepare for the sentence completion part of the test, partners can make a game out of one person throwing out a word and having the other use it in a sentence. Or one partner can read an incomplete sentence and ask for the missing word.
You can play hangman with the GRE vocabulary list. There are online versions specifically for this if you want to forgo the pen and paper method.