Doom 2 Cheats (GameBoy Advance)

Press Start to pause game play, then hold L + R and press B, A(7)

Press Start to pause game play, then hold L + R and press B, A, B, A(5)

Press Start to pause game play, then hold L + R and press B(2), A(6)

Press Start to pause game play, then hold L + R and press A(2), B, A(5).

In single player games, press Start to pause game play, then hold L + R and press A, B,
A(2), B(2), A(2). You will advance ten levels, depending on the current level.

Press Start to pause game play, then hold L + R and press A(2), B, A, B(4).

In single player games, press Start to pause game play, then hold L + R and press A, B,
A(2), B(3), A.

Press Start to pause game play, then hold L + R and press B(3), A(5)

Press Start to pause game play, then hold L + R and press A, B(2), A(5).