Play Mega Man Battle Network 4.5: Real Operation (Game Boy Advance) Online

Console Game Boy Advance Genre RPG Players
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Controls

You can change controls by clicking the game window and selecting Control Settings.

Player 1

WASD
Move And Select Target Distance Or Chip
K
Confirm Talk Examine And Send Chip
J
Cancel Run And Shuffle Chips
Space
Use Equipped Navi Ability
L
Use Equipped Navi Ability Or Plug Out
Enter
Open Menu Or Pause
R Shift
Activate Program Advance

Emulator

Q
Fast Forward
E
Rewind
4
Slow Motion
1
Quick Save State
2
Quick Load State
3
Change State Slot
Gameplay screenshot of Mega Man Battle Network 4.5: Real Operation for Game Boy Advance

Overview and Gameplay

Mega Man Battle Network 4.5: Real Operation places the player in the role of a NetNavi operator. Choose from an expanding roster of Navis, enter interconnected Internet areas, complete jobs, earn licenses, and register for tournaments scheduled through the in-game clock and calendar. Progress opens stronger opponents, deeper network zones, upgrades, and additional playable Navis.

Controls And Mechanics

The directional pad moves the Navi during exploration and changes targets, distance, or chip selection in battle. The Navi attacks autonomously while the operator sends Battle Chips from a rotating set when the Custom Gauge permits. B reshuffles the available chips, L and R trigger equipped Navi abilities, and Select activates a valid Program Advance.

Virus battles award Battle Chips according to Busting Level. Zenny buys supplies, while SubChips restore health, suppress weaker encounters, or open locked Mystery Data. Two players can connect separate Game Boy Advance systems for simultaneous NetBattles using single-match or best-of-three formats.

Version Notes

This edition applies an unofficial English fan translation to the original Japanese release. The localization translates text and graphics and makes Battle Chip Gate-linked Navi content obtainable through normal play.

Release And Credits

  • Release year: 2004
  • Developer: Capcom Production Studio 2
  • Publisher: Capcom
  • Original platform: Game Boy Advance
  • Japanese title: Rockman EXE 4.5: Real Operation
Version
battle-network-rockman-exe-4-5-real-operation-japan-translation-english.gba
Status
Playable in browser
Updated
October 16, 2026

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