In addition to C.B./Oeste Solidaria, 147 other teams from 33 different countries played in Boys 18. They were divided into 36 different groups, whereof C.B./Oeste Solidaria could be found in Group 21 together with FC Rhenania Immendorf 1, Haberdahsers Aske's Knights Academy and Torslanda IK. C.B./Oeste Solidaria made it to Slutspel B after reaching 3:rd place in Group 21. Once in the playoff they made it all the way to the Final, but lost it against Corsa FC 1 with 0-1. Thereby C.B./Oeste Solidaria finished second in B18 Slutspel B during Gothia Cup 2012.