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Part 8
Super Mario Galaxy 2

Part 8

Complete Part 8 walkthrough for Super Mario Galaxy 2, covering Cosmic Cove Galaxy and Bowser's Lava Lair, including all Power Stars and secrets.

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Complete Part 8 walkthrough for Super Mario Galaxy 2, covering Cosmic Cove Galaxy and Bowser's Lava Lair, including all Power Stars and secrets.

A letter arrives from Honeybee with a 1-Up for completing Honeybloom Galaxy.

Walkthrough
  1. 1
    Cosmic Cove Galaxy - Twin Falls Hideaway
    1. Swim forward to platforms, grab a Koopa Shell, and dive down.
  2. 2
    Use the Sling Star for Star Bits.
  3. 3
    Grab the ? coin and the Comet Medal ahead and slightly right in an open shell.
  4. 4
    Reach a tower, ground pound the red switch on top to freeze the lake.
  5. 5
    Spin to skate on the ice.
  6. 6
    Approach the frozen twin waterfalls and wall jump between them.
  7. 7
    At the top left, spin the crystal twice for the Star, which falls to the right.
  • Cosmic Cove Galaxy - Exploring the Cosmic Cavern
    1. Skate on the ice to the right to find a green pipe.
    2. Enter the pipe, pound the brick block to slide down, and swim right.
    3. Spin crates for coins.
    4. Jump over a bubble to avoid being pulled back, then wall jump and go right to the Checkpoint (an auto-save point you restart from on death) Flag.
    5. Dive down with Z, go left, and collect coins to refresh your air supply.
    6. Avoid spiky plants and use vent air to head right.
    7. Spin the lever to open the floor below.
    8. Avoid eels, head down to the pipe to the outside.
    9. Jump into the stationary water and swim along the path.
    10. Wait for an enemy to pass and grab the 1-Up below it.
    11. Head up to the safe platform to refresh your air supply, then continue in the water to the top.
    12. Jump into the moving cube of water, then to the next, then up to the key on the left.
    13. Use the pipe on the right to return to the beginning and free the Luma.
    14. Use the Luma's Launch Star to move on.
    15. On the Starshroom ship, hit the Checkpoint Flag and use the Launch Star.
    16. Avoid purple enemies that create an electric field.
    17. Find a Spin Drill and use it on the long rectangular patch of soil on the bottom side of the planet to reach the opposite side.
    18. On the new side, avoid Mechani-Koopas.
    19. Find a soil patch with water leaking out, drill it to flood the planet into a water sphere.
    20. Swim up to the platform with the star.
    21. A penguin has joined the ship's company.
  • Cosmic Cove Galaxy - Secret Star #1 - Catch That Star Bunny
    1. Re-enter Twin Falls Hideaway.
    2. A Hungry Luma awaits by the tower. You need 15 coins.
    3. Feed the Hungry Luma 15 coins to use its Launch Star.
    4. Hit the Checkpoint Flag.
    5. Talk to the bunny a step away from it.
    6. Left of the Checkpoint Flag is a blue ! switch. Pound it to freeze the planet, allowing you to skate.
    7. Catch the bunny to win the Star.
  • Bowser's Lava Lair - Bowser's Big Lava Power Party
    1. Beat the Magikoopa to reveal a Pull Star.
    2. Aim with the Wii remote and press/hold A to reach the next area.
    3. Jump between fireballs and on moving platforms to a trampoline, then pound it.
    4. Backflip and spin over a ring of fireballs, ride platforms, and grab the Life Mushroom.
    5. Spin the crystal and use the Launch Star.
    6. Hit the Checkpoint Flag.
    7. Navigate spinning platforms over a lava pool.
    8. A safe platform is on the right, then a Hammer Bro to defeat further up.
    9. Use the Sling Star.
    10. Jump atop a rotating firebar platform to use the ? coin, then walk around the circle of coins for a 1-Up.
    11. Pound the switch just up from there to lower yourself.
    12. Use spinning platforms to reach a green carpeted area with wall slammers.
    13. Wait for them to fall, then pound the cracked star on its back.
    14. Head right, beat an enemy, then triple jump and spin to reach the Comet Medal high above.
    15. Head right to a golden ball, pound its center, aiming for the stone lock with a red Bowser on it.
    16. You'll be pulled forward to a new area. Hit the Checkpoint Flag.
    17. Carefully navigate the floor being eaten away by piranha-like enemies.
    18. Head up and ride a purple moving platform right, grabbing a Life Mushroom atop a rotating firebar platform.
    19. Defeat a Magikoopa and head right to safety.
    20. Ride the next purple platform, jumping over electric beams from Bowser statues, then up to Hammer Bros.
    21. Hit the Checkpoint Flag and get the Life Mushroom from the left pole.
    22. Pound the golden ball, aiming and firing at 3 stone Bowser locks to be pulled into the Bowser fight.
    23. After a chat, you'll reach a small planet where Bowser sends stone balls.
    24. Ignore the lights that appear, then he will pound the ground.
    25. Jump on a golden ball and pound it, aiming for Bowser before they turn to stone.
  • Tips
    • In Twin Falls Hideaway, use the Koopa Shell to dive further down.
    • In Cosmic Cavern, use the vent air to head right and the Spin Drill on the correct soil patch.
    • For Secret Star #1, freezing the planet speeds up the bunny chase.
    • In Bowser's Big Lava Power Party, time your jumps well on the spinning platforms and rotating firebars.
    • Aim carefully when pounding the golden balls to hit the Bowser locks.

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