Megaman Battle Network 4 cheats for the Game Boy Advance

Darkness Aura

Defeat S-Rank ForteSP in a random encounter in Black Earth 2.

rating: 85%

This is the highest rated Megaman Battle Network 4 cheat for the Game Boy Advance on the site

Gunsol1

While at the vampire manor in Castillo, check the figure of Django pointing Gunsol at Dracky (the vampire), and you will receive the chip.

rating: 84%

Red Sun Ray battle chip

Talk to Yuuichiro at ANSA to get this battle chip.

rating: 82%

Blue Moon

After you defeat Junkman and go through the conversations, just talk to your dad.

rating: 82%

Park Area Gate code

When Lan's alarm from home sounds, he runs home to find that his mom is in his room. She has been sprayed with sleeping gas. She tells Lan that she heard someone typing on his computer. Check the computer. There is a message reading, "You've been warned, Lan. We can easily do much worse. If you don't want those you care for to get hurt more, bring the DarkChip to Park Area 2." Jack in and go to the end of Town Area 3, where there is a purple gate. After the short intermission, a work comes and battles you. Defeat him and he will be knocked out. Search him for the code to open the gate. The code you get is "AJEKDUR 2437561". It is encrypted. Decrypt it and you will get "RAEJDUK".

rating: 80%

Black Earth

Get the Bug Charge, Muramasa Blade, Black Wing, Element Dark, and Poison Anubis chips. Find the big hole surrounded with purple slime on a platform in Ura Internet area 6. Approach the hole to get sent to the Black Earth dungeon.

rating: 78%