Crimsonland

Watch the credits and click all lines that have theletter "O". A sound will confirm each correct click.When the name list ends, wait and another list will begin. Onceagain, click the lines that have the letter "O". Theword "Secrets" will appear. Click it to play the AlienZoo Keeper mini game.

Start a game and do not shoot for about two minuteswhile not getting damaged by the aliens.

In survival mode the first or second creature you killwill always have a new weapon power-up. If you do not like thatweapon, just wait for it to disappear and kill another zombiefor a different weapon to appear. This will happen whenever youhave the pistol and there are no other weapons on screen.

Successfully complete the game under the normal difficultysetting to unlock the hardcore difficulty setting and Typ 'o'Shooter mode.
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Focus on collecting weapons with large clips, such as the pulse gun. Your weapon's clip refills after collecting a weapon power-up, fire bullets, and plasma overload. You will also have unlimited ammunition while reflex boost is active. Avoid the mean minigun as it will slow your movement.

 Complete the game in Quest mode to unlock all perks except for the final one. Type gembine at the credits screen and beat the high score to unlock the last perk.

There are two ways to accomplish this. For both, start a co-op game, solo if desired.

• Play in Survival mode go on a killing spree. Collect every weapon that is found.
• Start a Quest mode map with monster nests (spawns). Have the second player join and survive until there is only one nest remaining. Go on a killing spree at regular intervals, and do not die. Note: Use the Fire Cough perk to dispose of monsters easily without using big guns which can destroy the nest. As long as one player still has the pistol, most kills should spawn weapons, as long as there are not any on screen. Kill as long as possible and eventually blowtorches will spawn. Note: Nests will eventually stop spawning monsters.

Set the system date to December 25. When the game starts,a "Happy Holiday" message will appear with snow. Clickon the snow or message to return to normal.

Enter the "Extras" menu, select the "Credits" option, then scroll to the bottom of the screen to notice that something is hidden. Press Triangle(3), Square(3), Triangle.

Have your first shot kill an alien with one hit. Walkdirectly to its body and wait at that location. Allow the otheraliens to almost kill you to get the gun. Note: This only worksin earlier versions of the game.