Ye Olde CN Games - Codename Kids Next Door: Operation S.T.A.R.T.U.P. (final mission)

Henry the Potatohead

Codename Kids Next Door: Operation S.T.A.R.T.U.P. - [Full Game]

That Newgrounds Gamer

Codename: Kids Next Door - Operation S.T.A.R.T.U.P and Final Battle

NinjaRyuPL

CNNGC - Codename Kids Next Door: Operation S.T.A.R.T.U.P.

Cartoon Network Nostalgia Gaming Channel

KND- Operation S.T.A.R.T.U.P. (Levels 1-5)

Vortex

Codename Kids Next Door - Operation S.T.A.R.T.U.P.

SlaKo's General Gamer

KND Operation S.T.A.R.T.U.P Numbuh 3% speedrun in 1:49.90 (HAPPY BIRTHDAY SLEEPKIRBY6472!)

Tiredcream6472

Ye Olde CN Games - Codename Kids Next Door: Operation S.T.A.R.T.U.P.

Henry the Potatohead