In single player campaign, search the lower left corner of the map near the refugees. You can find a frozen Marine just before the bottom left Zerg base in the water.
"Piercing the Shroud": Marine
In the loading bay before the room with the Brutalisk, go outside through the door. Follow the rock ledge as it leads up and more of the map will be visible. Continue until you find a Murloc Marine.
"Terran Up the Night" song
Successfully complete Campaign mode.
"Welcome to the Jungle": Marine
In single player campaign, you can find a Murloc Marine near the left edge of the map, slightly north of your base. He is standing on a cliff edge that is surrounded by trees.
"Zero Hour": Disappearing Marauder
Attack the Zerg base to the north/northwest and find the neutral Marauder. Click him until the text "Secret 3...2...1" appears. The Marauder will disappear.
"Zero Hour": Marine
In single player campaign, search the top of the map just above the left Vespene geyser. You can find a Tauren Space Marine that enters an outhouse. Repeatedly click the outhouse and it will shoot into space.
Alternating background screens
Successfully complete Campaign mode.
Blizzard reference
During the Protoss missions, watch the monitors to see a music advertisement for LVL800ETC, featuring a lot of songs. This is a reference to the metal band, LVL80ETC, which members are Blizzard employees.
Successfully complete the "Ghost Of A Chance" mission and unlock the Ghost rifle. Go to the armory on the Hyperion. Click the Ghost rifle to examine it. Keep looking at the screen until Nova (from Blizzard's unreleased game Starcraft: Ghost) briefly appears and disappears.
Blow up creatures
Repeatedly click a creature and it will explode.
Cheat Mode
Press [Enter] to display the console window. Enter one of the following codes to activate the corresponding cheat function. Note: Enabling cheat codes will prevent achievements from being earned until a new campaign is started or a saved game before codes were used is loaded.
Effect
Code
"Terran up the Night" song
overengineeredcodpiece
+1 weapon, armor, and shield upgrade
iamironman
5 million credits in single player campaign
whysoserious
5,000 Gas
realmendrilldeep
Cinematics menu
eyeofsauron
Disable ability cooldown
hanshotfirst
Disable tech requirements
sosayweall
Disable victory conditions
tyuhasleftthegame
God mode
terribleterribledamage
No resources costs for unit building
moredotsmoredots
Resources granted
jaynestown
Cheat Mode (Lost Viking mini-game)
Press [Enter] to display the chat window during the Lost Viking mini-game. Then, enter one of the following codes to activate the corresponding cheat function.
Effect
Code
Add indicated points to score
-score [number]
Extra life
-ADDLIFE
Alternate background
-mb
Level skip
-LEVELCLEAR
Display "Boss Incoming" message
-ss
Display the sine of three angles: 180, 90, and pi
sine
Man ends
-BONUS
Hide "Quit" button
-NOQUIT
Boss appears
-BOSS
Wave of enemies
behind
Ten lives
-LIFE
View ending sequence
-end
Spawn power-up
-pu
Dancing units
Select one of the following unit types, press [Enter], then type "/dance" to make them dance: High Templars, Hydralisks, Marauders, Marines, Thors, Ultralisks, Zealots, Zerglings.
Diablo reference
During "The Devil's Playground" mission, on Redstone III go to the bottom right corner of the map. You will find Diablo, from the game of the same name, surrounded by lava. He will attack your units when discovered.
Exploding creatures
[Left Click] any creature multiple times to make it explode.
Hidden dialogue
Repeatedly click a unit to hear additional dialogue.
Lost Viking mini-game
Click the arcade machine at the Cantina on the Hyperion to play a space shooter mini game.
Marine in "Deadmans Port" mission
At the bottom left corner where the salvage scrapper machine is located, look slightly to the left on the big "man-made" cliff to find small red lights. Notice that they are attached to a small "metal bed" with a marine laying down on it and his arms sticking up in the air.
Secret mission
Play the "Media Blitz" mission. Destroy the lone red building on a small floating platform at the far right side of the map. Notice the a pathway to it from the small enemy expansion base that is found just north of your starting position. It is marked as a civilian building when hovered over, but after it gets destroyed "secret documents" will appear. Collect it with a ground unit to unlock the secret mission. Complete the current mission. The secret mission is now accessible through the Starmap. Note: You cannot play the secret mission after going to Char. You must go to the "Load" menu and load a game from before Char in order to play the secret mission.
World Of Warcraft reference
Enter the ship's cantina. Look at the upper left to find a red female holograph that is doing the identical dance as the female night elf from World Of Warcraft.
Zerg Queen quick larval injection
Select all queens with "control group". Hold [Inject Larvae] then press [Backspace] to jump between each hatch and click that hatch. This will use the closest queen to cast "Inject larvae", without having to press [Inject Larvae] each time.
