Obstacles Guide

Throughout the station you'll encounter a variety of security doors tied to one of five security levels.

Due to these security levels you'll need to find Security Stations to unlock each type of door, once they're unlocked just shoot the flashing doors once to open them up. There's also a range of different obstacles, all of which are described below.

Doors and hatches

	Level 0 - Light Grey Doors Early on in the game the computer will open up Level 0 security locks for you, open these grey-colored doors with a single shot from your beam weapon.		Level 1 - Blue Doors The Level 1 Security room is found in Sector 2 (TRO).
	Level 2 - Green Doors The Level 2 Security room is found in Sector 3 (PYR).		Level 3 - Yellow Doors The Level 3 Security room is found in Sector 5 (ARC).
	Level 4 - Red Doors The Level 4 Security room is found in Sector 4 (AQA).		Sealed Doors Sealed doors can only be opened after defeating certain enemies within the same room. Some doors will only be accessible at certain points in the game. Other doors may seal themselves and never open again (there's not very many of these though).
	Eyeball Guard Doors Doors with giant eyeballs blocking the way (similar to the ones found in Super Metroid) can be destroyed by firing missiles into the eye when it opens. If the eye opens and begins flashing, quickly jump out of the way as the eye will launch a large energy blast. Three normal missiles or one Super Missile will destroy the eye, when it blows quickly capture the red X that appears. These doors typically guard rooms containing Core Xs.

Miscellaneous obstacles

	Damaged Blocks Some blocks are damaged enough so that all you need to do is fire your Beam Weapon at them to clear them.
	Crumbling Blocks Watch out for these blocks (use a Power Bomb to reveal them) as they'll collapse when you step on them. You'll fall through the ground as they restore themselves, but you won't be able to get back up above the blocks. They appear normal at first until you step on them, then they change their colour to a gray block.
	Speed Booster Blocks These blocks with arrows printed on the front (reveal them with a Power Bomb) can only be broken through while the Speed Booster's active. You'll find a lot of these blocks strewn around the station, many of them you'll need to use the Shinespark moves to break through (check the secrets and tips for more info on Shinesparking).
	Missile Blocks These blocks have small missiles printed on them, all you need to do is fire a single missile at one to destroy it.
	Bomb Blocks Blocks with small bombs printed on them can be destroyed by a single Morph Ball bomb blast.
	Power Bomb Blocks Blocks with small Power Bombs printed on them can be destroyed with a single Power Bomb. If there's a cluster of Power Bomb Blocks together they'll be all blown away by the blast.
	Screw Attack Blocks These blocks that have small Screw Attack icons printed on them can be destroyed by jumping into them once you've recovered the Screw Attack ability.
	One-way Shutters These shutters scattered throughout the station block passageways but have a button placed on one side of the shutter. Shooting the button causes the shutter to rise, but you'll only be able to hit the switch from one side of the shutter. Once you've recovered the Wave Beam ability you'll be able to hit the switch no matter which side of the shutter you're on.
	Green X Barrier Wipe these organic barriers out with a few missiles.
	Purple X Barrier Three Super Missiles work wonders against these obstructions.
	Yellow X Barrier Blow these bloated barriers open by laying a single Power Bomb nearby.

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