Games like Codename: Kids Next Door - Operation: G.R.A.D.U.A.T.E.S.

If you finished Codename: Kids Next Door - Operation: G.R.A.D.U.A.T.E.S., the closest matches are Xenotilt: Hostile Pinball Action, Void Scrappers, Mushihimesama, Point Blank and Saviors. All 7 share its arcade genre and are ranked by how closely their themes and modes overlap.