- Metroid Fusion controls use the GBA Control Pad, A, B, L, R, Start, and Select buttons.
- B fires the current beam or missile, while R switches missile mode for combat and doors.
- A jumps, and the Control Pad handles movement, crouching, aiming, and room navigation.
- L aims diagonally or upward, helping Samus attack targets above and below her position.
- Select opens the map, while Start pauses the game and displays the status interface.
Metroid Fusion Controls Layout
The Metroid Fusion controls are built around a simple GBA layout: the Control Pad manages movement and aiming, A handles jumping, B fires, and the shoulder buttons support weapons and directional targeting. Learning this arrangement early makes exploration, boss fights, and ability-gated routes much easier.
The game does not require a large command list. Most actions come from combining movement with one button, such as holding a direction while jumping or crouching before a Shinespark. The original Game Boy Advance manual remains the best official reference for the basic button layout, while Nintendo’s Metroid Fusion game page provides the broader game context.
| Input | Primary action | Practical use |
|---|---|---|
| Control Pad Left/Right | Move Samus | Run, change direction, and line up shots |
| Control Pad Down | Crouch or Morph Ball entry | Crouch, store a Shinespark, or transform when available |
| Control Pad Up | Aim upward or enter doors | Target elevated enemies and enter suitable doors |
| A | Jump | Regular jumps, wall movement, and aerial repositioning |
| B | Fire current weapon | Use the Beam or launch Missiles when missile mode is active |
| L | Diagonal aiming | Aim up-left or up-right while moving or standing |
| R | Toggle missile mode | Switch between Beam shots and Missiles |
| Select | Open map | Review rooms, doors, elevators, and exploration progress |
| Start | Pause and status screen | Pause play and review Samus’s equipment |
Movement
Use the Control Pad to run, crouch, turn, and position Samus before jumping.
Combat
Press B to fire, then use R when a missile attack or missile door is required.
Aiming
Hold Up or use L to target enemies on platforms, ceilings, and elevated routes.
Navigation
Select opens the map, helping you identify elevators, doors, save rooms, and dead ends.
Keep one thumb ready for the Control Pad and the other near A and B. Most boss damage comes from moving and firing at the same time rather than standing still.
Basic Movement and Aiming
Movement is the foundation of every Metroid Fusion route. Samus can run, jump, crouch, aim in multiple directions, and enter Morph Ball passages as new abilities become available. The controls feel most responsive when you begin positioning before an enemy attacks instead of reacting after contact.
Use the Control Pad to create space during combat. Pressing Down makes Samus crouch, which is useful for avoiding some attacks and preparing a Shinespark after a Speed Booster run. Pressing Up changes the direction of the shot or interacts with certain doors and objects.
| Action | Input | Control tip |
|---|---|---|
| Run left or right | Left or Right | Keep moving while firing at mobile enemies |
| Crouch | Down | Useful for low attacks and storing Speed Booster energy |
| Jump | A | Combine with Left or Right to steer in the air |
| Aim upward | Up | Targets enemies above Samus |
| Aim diagonally | L + Left or Right | Useful against airborne or elevated targets |
| Enter a door | Move toward the door | Use the correct weapon type if the door is locked |
| Morph Ball | Down after obtaining Morph Ball | Enter narrow tunnels and low passages |
| Bomb in Morph Ball form | B after obtaining Bombs | Reveal blocks and create bomb-jump opportunities |
Jumping and Air Control
Jumping is more than a way to clear gaps. Use A with a directional input to pass over enemies, avoid projectiles, and reach platforms. When a boss moves across the room, a controlled jump is often safer than running directly underneath it.
Some platforms and routes require later upgrades. If a jump appears impossible, check whether the area expects Hi-Jump Boots, Space Jump, Gravity Suit movement, or a Speed Booster setup. Avoid repeatedly forcing a route that is clearly ability-gated.
Diagonal Aiming
L is especially important during boss encounters. Hold L with Left or Right to aim diagonally while maintaining movement. This lets Samus fire toward elevated targets without stopping or jumping into danger.
Diagonal aiming is useful against enemies moving across different heights, including large X-infected creatures and bosses that occupy the upper portion of an arena. Practice using L while moving through ordinary rooms before relying on it during a difficult fight.
R does not fire missiles by itself. Press R to switch missile mode, then press B to launch the selected missile. Press R again to return to Beam firing when conserving ammunition.
Weapon, Missile, and Morph Ball Controls
Metroid Fusion separates ordinary Beam shots from missiles through a two-button weapon system. B always performs the current firing action, while R changes the active weapon mode. This arrangement makes it possible to switch weapons quickly without opening a menu.
Beam shots are appropriate for standard enemies and routine room clearing. Missiles are stronger, open missile-colored doors, and are needed against armored targets. Later upgrades add new combat and exploration options, including Super Missiles, Ice Missiles, and Diffusion Missiles.
Line Up the Target
Move left or right and use Up or L to place Samus at the correct height. Keep an escape route open before attacking.
Choose the Weapon
Press R to activate missile mode when the target requires heavy damage or a missile door must be opened.
Fire and Reposition
Press B to shoot, then immediately move, jump, or crouch instead of waiting for the enemy’s next attack.
Return to Beam Mode
Press R again after the threat is handled. Beam shots conserve missiles and are usually sufficient against ordinary enemies.
| Situation | Recommended input | Why it works |
|---|---|---|
| Common enemy | Move and press B | Beam ammunition is not consumed |
| Armored enemy | Press R, then B | Missiles provide stronger damage |
| Missile door | Press R, then B at the door | Opens the matching door type |
| Enemy above Samus | Hold Up or L while pressing B | Keeps Samus moving while aiming upward |
| Group of enemies | Charge Beam, then B | A charged shot can clear threats efficiently |
| Frozen target | Activate Ice Missile mode, then B | Creates temporary platforms or controls enemy movement |
Morph Ball and Bomb Inputs
After obtaining Morph Ball, press Down to transform when Samus is on the ground. Morph Ball mode allows access to narrow tunnels, low passages, and hidden item rooms. Once Bombs are available, press B while transformed to place an explosive.
Bombs are both a weapon and an exploration tool. Test suspicious floors, corners, and tunnel ends, but remember that some blocks require Power Bombs or a later movement ability. Bomb jumping is performed by placing bombs in sequence and using their explosions to gain vertical height.
Shinespark Preparation
The Speed Booster introduces a more advanced control sequence:
- Run in a straight line until Speed Booster energy activates.
- Press Down to crouch before the charge expires.
- Hold a direction to release the stored Shinespark.
- Use the launch to break Speed Booster blocks or reach distant platforms.
This technique requires space and timing. Practice in a safe corridor before attempting a difficult expansion route.
Use Beam shots for routine enemies and save missiles for armored targets, locked doors, and boss openings. A full missile supply gives you more flexibility when entering an unfamiliar room.
Map, Menus, and Exploration Controls
The map is one of the most important tools in Metroid Fusion. Press Select to review the current Sector, room connections, doors, elevators, and previously explored paths. When the story grants a new ability, check the map for areas that may now be accessible.
Navigation Rooms provide the next objective, but the map helps you understand how to reach it. If the route seems blocked, look for a different elevator, a door requiring a new weapon, or a room that can be entered from above or below.
| Map feature | What to check | Best response |
|---|---|---|
| Colored door | Required weapon or ability | Return after obtaining the matching upgrade |
| Elevator | Sector connection | Use it to follow the current mission route |
| Data Room | Major upgrade location | Prioritize it during the assigned objective |
| Save Room | Progress checkpoint | Save after major upgrades or difficult sequences |
| Recharge Room | Health and ammunition recovery | Refill before exploring optional paths |
| Unexplored room | Possible route or item | Mark it for later investigation |
| Dead-end corridor | Hidden block or ability gate | Test walls, floors, ceilings, and Morph Ball gaps |
Reading a Blocked Route
A blocked path usually communicates information rather than failure. A colored door may require Missiles, Super Missiles, or another weapon. A long hallway may be designed for Speed Booster movement. A narrow gap may require Morph Ball, Bombs, or a later upgrade.
When a route cannot be completed, record the room mentally and continue the assigned mission. Metroid Fusion frequently sends Samus back through earlier Sectors after new equipment changes the available routes.
Controls and Exploration Check:
- Use A for jumping and directional inputs for air control
- Switch to missiles with R, then fire with B
- Practice diagonal aiming with L
- Open the map with Select after every major upgrade
- Mark blocked rooms for a later ability-based return
After collecting a major upgrade, open the map before leaving the room. Revisiting nearby paths immediately can reveal shortcuts, expansion rooms, or the next intended route.
Boss Controls and Advanced Techniques
Boss fights test movement, aiming, and weapon switching at the same time. The safest approach is to learn the attack rhythm, maintain a useful distance, and fire only when Samus has enough room to escape. Holding L while moving can keep shots directed toward a boss without sacrificing mobility.
Use A to jump over charges and projectiles, Down to crouch under attacks when the arena allows it, and R plus B for missile damage during clear openings. Avoid holding Samus in one place simply to maximize shots. Survival and positioning usually create more damage opportunities than reckless firing.
| Encounter type | Main control priority | Useful technique |
|---|---|---|
| Rolling boss | Jump and turn quickly | Keep the center of the arena available |
| Fast aquatic boss | Move vertically and fire on passes | Use L to aim without stopping |
| Large vertical boss | Jump between platforms | Attack exposed weak points |
| Gravity-altering boss | Adjust jump timing | Use short, controlled movements |
| SA-X encounter | Hide, retreat, and reposition | Treat early appearances as avoidance sequences |
| Final escape boss | Keep moving toward openings | Fire at the exposed front while avoiding contact |
SA-X Encounters
The SA-X is stronger than Samus during most early encounters. The correct control response is usually movement, not combat. Use Morph Ball passages, platforms, and alternate rooms to break line of sight. Listen for its approach and avoid entering a room without an exit plan.
Later, when the story allows a direct confrontation, use the same fundamentals: keep moving, aim with L, fire during recovery windows, and avoid standing in a straight line against powerful beam attacks.
Boss Practice Routine
Before a difficult fight, refill health and ammunition at the nearest available rooms. Enter with a plan for the first attack cycle rather than immediately spending every missile. After learning the pattern, increase aggression during safe openings.
Do not chase a moving boss across the arena. Hold a stable position, aim with L or Up, and let the boss enter your firing line.
Metroid Fusion Controls FAQ
Q: What are the basic Metroid Fusion controls?
The Control Pad moves and aims Samus, A jumps, B fires, L enables diagonal aiming, R switches missile mode, Select opens the map, and Start pauses the game.
Q: How do I fire missiles in Metroid Fusion?
Press R to switch into missile mode, then press B to fire. Press R again when you want to return to Beam shots.
Q: How do I aim diagonally?
Hold L while pressing Left or Right to aim diagonally. Use this while moving when enemies are positioned above or below Samus.
Q: How do I open the map?
Press Select during exploration to open the map. Use it after upgrades to review colored doors, elevators, unexplored rooms, and possible backtracking routes.
For the original control documentation and release information, consult Nintendo’s Metroid Fusion support resources.