Here I will tell you how to get all the Bonus Credits and where to find the Credits. I will also tell you the cost at the end
of every buyable content in the game and the total cost. This is placed in sections that is easy to read so good luck.

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GFS Olympus 


Location:			Credit:			Details:

Docking Bay5			Gold			Juggle 10 training drones
Docking Bay5			Friend Voucher		Juggle 20 training drones
Xenoresearch Lab		Blue			Save Troopers [2]
Post Oberservation Deck		Blue			Save Trooper
Lab Access			Freind Voucher		Quickly shoot emergency door button to save Trooper
Repair Bay Shaft		Blue			Save Trooper
Docking Bay5			Gold			Defeat Berserker Lord
Docking Bay5			Gold			Defeat Berserker Lord on verteran Difficulty

Norion

Cargo Dock C			Gold			Escape Meta Ridley (in Morphball tube) without taking damage
Generator Shaft			Gold			Defeat Meta Ridley
Generator Shaft			Gold			Defeat Meta Ridley on verteran Difficulty
Any Room			Freind Voucher		Kill 100 Enemies
Temple of Gryyo			Gold			Defeat Rundas
Temple of Gryyo			Gold			Defeat Rundas on verteran Difficulty
Temple Generator		Gold			Destroy eastern energy signature
Gel Cavern			Freind Voucher		Use Shortcut
Any Room in Gryyo		Freind Voucher		Freeze enemy with ice missle while boomerang is deployed

Bryyo: Thorn Jungle		

Jousting Field			Gold			Defeat Korakk
Jousting Field			Gold			Defeat Korakk on verteran Difficulty
North Jungle Court		Freind Voucher		Throw all three switches without a pirate resetting one
Jungle Generator		Gold			Destroy western energy signature

Bryyo: Seed

Leviathan Core			Gold			Defeat Mogenar
Leviathan Core			Gold			Defeat Monenar on verteran Difficulty

Elysia: Skytown West

Steambot Garracks		Gold			Defeat Steambot Lord
Steambot Garracks		Gold			Defeat Steambot Lord on verteran Difficulty
Skybridge Hera			Freind Voucher		Drop bridge with Streambots on it
Gallista Storage		Gold			Defeat Defense Drone
Gallista Storage		Gold			Defeat Defense Drone on verteran Difficulty
Main Docking Bay		Gold			Defeat Ghor
Main Docking Bay		Gold			Defeat Ghor on verteran Difficulty
Any Room			Freind Voucher		Bowl over three Tinbots with boost ball
Any Room			Freind Voucher		Rip Jetpack from Aerotrooper with Grapple Lasso

Bryyo: Ice

Warp Site Gravo			Freind Voucher		Discover new area

Elysia: Skytown East

Skytram East			Freind Voucher		Discover new area
Turnbine Chamber		Gold			beat Berserker Lord
Turnbine Chamber		Gold			beat Berserker Lord on verteran Dificulty
Escape Pod Bay			Gold			Destroy Seed  Shield

Elysia: Seed

Leviathan Core			Gold			Defeat Helios
Leviathan Core			Gold			Defeat Helios on verteran Difficulty
Proving Grounds			Gold			Defeat Gandrayda
Proving Grounds			Gold			Defeat Gandrayda on verteran Difficulty

Elysia: Skytown West (2)

Construction Bay		Gold			Defeat red Phaaziod
Hoverplat Docking Site		Gold			Defeat red Phaaziod

Elysia: Skytown East (2)

ConCourse Ventilation		Gold			Defeat red Phaaziod

Pirate Homeworld: Research Facility

Metriod Creche			Gold			Defeat Metriod Hatcher
Metriod Creche			Gold			Defeat Metriod Hatcher on verteran Difficulty

Pirate Homeworld: Mining Site

Phazon Harvesting		Freind Voucher	 	Defeat Phazon Harverster Drone
Phazon Hervesting					Defeat Phazon Harverster Drone

Norion (2)

Generator Shaft B		Gold			Defeat Metriod Hatcher
Generator Shaft B		Gold			Defeat Metriod Hatcher on verteran Difficulty

Bryyo: Fiery

Gel Processing Site		Gold			Defeat red Phaaziod

Bryyo: Thorn Jungle (2)

Jousting Field			Gold			Defeat red Phaaziod

Bryyo: Cliffside

Grand Court			Gold			Defeat red Phaaziod

GFS Valhalla

Aurora Chamber			Gold			Defeat Metriod Hatcher
Aurora Chamber			Gold			Defeat Metriod Hatcher verteran Difficulty
Control Room			Freind voucher		Activate secret Aurora 313 dialogue use keypad

Pirate Hameworld: research Facility (2)

Proving Grounds			Gold			Defeat red Phaaziod
Command Station			Gold			Destroy defence system
Transit tunnel			Gold			Keep Demolition Troopers alive [12/12]
Any Room			Freind Voucher		Kill 20 commando pirates
Transit Station Levianthan	Gold			Defeat pirate commander
Transit Station Levianthan	Gold			Defeat pirate commander on verteran Difficulty
Transit Station 0204		Gold			Defeat red Phaaziod

Pirate Homeworld: Mining Site (2)

Phazon Harversting		Gold			Defeat red Phaaziod

Pirate Homeworld: Seed (2)

Landing Site			Freind Voucher		Kill all creatures at landing site
Leviathan Core			Gold			Defeat Omega Ridley
Leviathan Core			Gold			Defeat Omega Ridley on verteran Difficulty

Pirate Homeworld: Command Center

Leviathan Battleship		Freind Voucher		Repeatedly shoot the eye like organ above the leviathan Terminal

Phaaze

Sanctum				Gold			Repulse Dark Samus
Sanctum				Gold			Repulse Dark Samus on vertern Difficulty
Sanctum 			Gold			Defeat Aurora Unit 313
Sanctum				Gold			Defeat Aurora Unit 313 on vertern Difficulty
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That was all the Credits in the game, now it is time for all the Unlockable Content in the game.

Concept Gallery
Samus Package		Red:3	Blue:2	Gold:1	Friend:0
Creature Package	Red:3	Blue:1	Gold:1	Friend:0
Creature Package2	Red:3	Blue:2	Gold:2	Friend:1
World Package		Red:3	Blue:1	Gold:1	Friend:0
World Package 2		Red:3	Blue:2	Gold:2	Friend:1
StoryBoard Package	Red:3	Blue:2	Gold:1	Friend:o
StoryBoard Package	Red:3	Blue:2	Gold:2	Friend:1

Total Cost		Red:21	Blue:12	Gold:10	Friend:3

Content
Ship Bumper Stickers	Red:3	Blue:1	Gold:3	Friend:2
Screen Shot Tool	Red:3	Blue:1	Gold:3	Friend:2
Mii Bobble Head		Red:3	Blue:1	Gold:3	Friend:2
Diorama1		Red:3	Blue:1	Gold:3	Friend:1
Diorama2		Red:3	Blue:1	Gold:3	Friend:1
Diorama3		Red:3	Blue:1	Gold:3	Friend:1
Diorama4		Red:3	Blue:1	Gold:3	Friend:1
Diorama5		Red:3	Blue:1	Gold:3	Friend:1
Diorama6		Red:3	Blue:1	Gold:3	Friend:1

Total Cost		Red:27	Blue:9	Gold:27	Friend:12

Sound Track Gallery
MP3-Omega Ridley	Red:4	Blue:2	Gold:1	Friend:0
MP3-Helios		Red:4	Blue:2	Gold:1	Friend:0
MP3-Streamlord		Red:4	Blue:2	Gold:1	Friend:0
MP3-Bryyo		Red:4	Blue:2	Gold:1	Friend:0
MP3-Bryyo Thorn Jungle	Red:4	Blue:2	Gold:1	Friend:0
MP3-The Corruption	Red:4	Blue:2	Gold:1	Friend:0
MP3-MP3 Title Music	Red:4	Blue:2	Gold:1	Friend:0
MP3-Gandrayda		Red:4	Blue:2	Gold:1	Friend:0
MP3-Pirate Homeworld	Red:4	Blue:2	Gold:1	Friend:0
MP3-Metriod Battle	Red:4	Blue:2	Gold:1	Friend:0
MP3-GF Battle		Red:4	Blue:2	Gold:1	Friend:0
MP3-In the cockpit	Red:4	Blue:2	Gold:1	Friend:0
MP3-SkyTown		Red:4	Blue:2	Gold:1	Friend:0
Mp3-Phaaze		Red:4	Blue:2	Gold:1	Friend:0
MP3-Valhalla		Red:4	Blue:2	Gold:1	Friend:0
	

Total Cost		Red:60	Blue:30	Gold:15	Friend:0

If you want to purchase every piece of bonus content you must earn all red, blue, and gold credits. You will need to earn 15
Friend Vouchers. You can earn a total of 26 Friend Vouchers by killing 10 sets of 100 enemies.

If you have any questions or any comments email me at [email protected] 
I hope this helps you and good luck.