Lamb was selected to be a member of the team representing the USA at the 1987 World University Games held in Zagreb, Yugoslavia. The USA team won four of the five contests. In the opening game against Poland, Lamb was the second leading scorer for the USA with 16 points. After winning their next game against Finland, the USA faced the host team Yugoslavia. The game went to overtime, but Yugoslavia prevailed, 93–89. The USA faced China in the next game. They won 84–83, but they needed to win by at least five points to remain in medal contention. The won the final game against Canada to secure fifth place. Lamb averaged 11.4 points per games, tied for first on the team. She averaged 4.6 rebounds per game, second most on the team.