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Codes cheats for Jimmy Neutron vs Jimmy Negatron

Unlock Level 2

Use the following code at the passwords menu: JJB?X6XC9!QW

Unlock Level 3

Use the following code at the passwords menu: 5Q76J0KHX14K

Unlock Level 4

Use the following code at the passwords menu: ?DTGYSPQR$Y0

Unlock Level 5

Use the following code at the passwords menu: VOKC98TYL-JN

Unlock Level 6

Use the following code at the passwords menu: SDBH7F9MJ5+J

Unlock Level 7

Use the following code at the passwords menu: C!1MBNIL4?CC

Unlock Level 8

Use the following code at the passwords menu: 8XY271+z?8B3

All Dark Dimension Levels

Enter at "can I continue a game", (xcqdkvlp) there has to be circles around the (qdkv).