Roumimper defeated one of the three Colombian women finalists, Maria Rodriquez, 2-1 in the Step 1 best-of-3 matchplay finals to advance to Step 2 finals where she dispatched topseed, Danielle McEwan 2-0 to progress into the next step.
But her good run was ended by sixth-seed and Doubles gold medallist, Jung Dawun of Korea after she lost to the Korean 1-2. Limansantoso swept past Colombia's Juliana Franco, 2-0 in Step 2 finals and Netherlands' Ghislaine van der Tol, with another convincing 2-0 victory to advance to the semi-finals medal round.
The Indonesian lost the first match, 169-216 to Team Gold medallist, Sin Li Jane of Malaysia but bounced back to take the second match, 218-178 to draw level at 1-1. Limansantoso found the lane condition tricky and eventuall went down, 163-223 to win Indonesia's second bronze medal.
The Malaysian lost to Jung Dawun, 0-2 in the final to take home her second silver medal after she earned her first in the Doubles finals with Shalin Zulkifli, ironically losing to Korea's Jung and Kim Moonjeong.
In the men's division, 2016 U.S. Open champion, Francois Lavoie of Canada defeated Chinese Taipei's Xu Zhe-Jia, 2-0 to win the gold medal. Team USA shared honours with Korea in the women's division with a 2 gold and 2 bronze medal each. Malaysia was third with a 1 gold and 3 silver medals.
Team USA were the overall winners in the men's division with a medal tally with 2 gold and 1 bronze. Chinese Taipei finished second and Hong Kong third. Team USA emerged as the overall champion with 4 gold and 3 bronze medals.
Korea second, contributed by the women only, was second with 2 gold and 2 bronze. Chinese Taipei and Malaysia had 1 gold and 3 silver each but the Taiwanese had 2 additional bronze medal. 15 countries won medals at this year's championships.
A total of 213 men and 176 women from 42 countries (11 from the American zone, 13 from the Asian zone and 18 from the European zone) supported by 166 team officials, participated in the 11-day long world Championships hosted at the South Point Bowling Plaza, Las Vegas, Nevada, USA.