Game Boy Advance
Mega Man Battle Network is a series that mixes basically everything that
appeared in the other series. You control Lan Hikari in the real world and this
series Mega Man, MegaMan.Exe, in the so-called cyber-world.
Lan man who runs around in cities and buildings and try to solve mysteries,
while the MegaMan.Exe fight the evil computer virus that attacked network. And
to defeat the viruses, one must use the 176 pieces of different Battle Chips
which are scattered throughout the world.
Another thing you quickly notice is that bosses are remakes of all the bosses
from the classic series, and in some cases from the X series.