Backtracking After Area 5

Walkthrough: After Area 5, there is a whole lot of stuff you can backtrack through previous areas to obtain. Use your new weapons and abilities to head back to collect these!

Missile Expansion (Area 3): In the lower sections of Area 3 is a room filled with water. Use your Gravity Suit and jump o the right ledge and enter the next room. Roll all the way to the end of the path and shoot two Missiles directly above you. Hump up to the ledge to get the Expansion.

Missile Expansion (Area 3): Go to the Aeion Recharge Station on the right side of Area 3. Space Jump all the way to the top of the vertical room, and then use your Screw Attack to break through the very top. Wait until the blocks to reappear before landing, and then shoot a Missile at the block on the right to get the Expansion.

Super Missile Expansion (Surface Area): Once in the caverns, head all the way to the left to find a door blocked by a green-glowing substance. Use your Plasma Beam to get through to your Super Missile Expansion.

Super Missile Expansion (Area 1): Head to the lava room and hop into the magma using your Gravity Suit. Go down and around until you find the ledge. From there, shoot a Super Missile as the breakable block to find the Expansion.

Super Missile Expansion (Area 3): Below the rightmost elevator should be another area with a platform full of breakable blocks. Use your Phase Drift to quickly get across, and then shoot a Missile at the hidden weak block at the end to get the Expansion.

Super Missile Expansion (Area 3): Go to the Aeion Recharge at the bottom of Area 3. Just to the right is a room with a puzzle inside. Jump to the ledge on the right, and then shoot a Missile at the slit in the wall, quickly activating your Phase Drift as you do. Hurry and slip past to reach the Expansion.

Super Missile Expansion (Area 3): At the center of Area 3 is a door blocked by green plasma. Use you Plasma Beam to open it, and then use your Missiles to break open the four blocks found on the floor. Spider Ball up to the slit in the wall, and then shoot another missile. Quickly activate your Phase Drift and grab the Expansion.

Super Missile Expansion (Area 3): Go to the long lava tunnel on the right side of Area 3, actually going to the end and hopping into the lava using your Gravity Suit. Pull on the blocks to open the path, and then jump to the platform on the other side. Shoot a Super Missile at the hidden block to get the Expansion.

Super Missile Expansion (Area 4): On the left side of Area four is a door with green plasma on it. Open it with your Plasma Beam, and then use Phase Drift to run across the breakable floor. Grab hold of the ledge to your right, and then use your Grapple Beam to grab hold of the ceiling above to get to the Expansion.

Aeion Tank (Surface Area): Head to the cliff next to your gunship. Once on the other side, look for a door that has a creature attached to it. Use your Spazer Beam to destroy it and get through. If you fall through, break the blocks to your right and then stand in front of the red crystals. From there, use your Grapple Beam to bring yourself to the left, back to the front of the door. Shoot a missile to the right, and then use your Grapple Beam. Drop below to the floor on your left. Jump and use your Grapple Beam upward. Quickly activate your Phase Drift to get past the weak floors to reach the tank.

Aeion Tank (Area 2): In the lower sections of Area 2 is a door blocked by green plasma. Open it by using your Plasma Beam. Once inside, Bomb the breakable blocks and activate your Phase Drift. Go to the vent and shoot a Missile at the second breakable block you see. Quickly get to the next Aeion Tank.

Energy Tank (Area 4): In the smaller lava room to the left of Area 4, break through the ceiling on the left and then Bomb the weak spot. From there, use your Spider Ball across to reach the Energy Tank.