The team played its home games at Victory Sports Complex. The team colors were black and green. Their head coach was Jeff Kraft, assisted by Armando Sanchez.
On March 10, 2007, after defeating the Cincinnati Excite 5-4 with a late goal by Ante Cop, the Thunder secured a position in the AISL finals to face the Massachusetts Twisters.
On March 31, 2007, the Thunder traveled to West Springfield, Massachusetts for the AISL Championship. The Twisters claimed the championship winning 11-5.
On August 7, 2007, the AISL announced that the Thunder had changed their name to the Rampage. This is most likely due to the Texas Thunder of the National Pro Fastpitch moving to Rockford.
The Rampage finished the 2007/08 AISL regular season with a 12-1 record. They defeated the Massachusetts Twisters 18-5 in the AISL championship game at home on March 15, 2008.[1][2]
On September 9, 2008, the Rampage announced they were joining the new National Indoor Soccer League for its inaugural season in 2008-09. They finished with a 10-8 regular season record, qualified for the playoffs, defeated Monterrey in the playoff semifinals, but lost to Baltimore 13-10 in the NISL championship game.
On July 7, 2009, it was announced that the Rockford Rampage acquired the Chicago Magic youth soccer club and its nationally recognized Development Academy and structured them as a non-profit organization.[3]