Alien Zoo Keeper mini-game
Watch the credits and click all lines that have the letter "O". A sound will confirm each correct click. When the name list ends, wait and another list will begin. Once again, click the lines that have the letter "O". The word "Secrets" will appear. Click it to play the Alien Zoo Keeper mini game.
Start a game and do not shoot for about two minutes while not getting damaged by the aliens.
Change weapon at the beginning
In survival mode the first or second creature you kill will always have a new weapon power-up. If you do not like that weapon, just wait for it to disappear and kill another zombie for a different weapon to appear. This will happen whenever you have the pistol and there are no other weapons on screen.
Successfully complete the game under the normal difficulty setting to unlock the hardcore difficulty setting and Typ 'o' Shooter mode.
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.
Easy "Smart Pack Rat" trophy
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.
Go to the credits and hit Triangle Triangle Triangle Square Square Square Triangle. There you will be taken to Gembine with a High Score you need to beat to get the last Perk.
Set the system date to December 25. When the game starts, a "Happy Holiday" message will appear with snow. Click on 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. Walk directly to its body and wait at that location. Allow the other aliens to almost kill you to get the gun. Note: This only works in earlier versions of the game.
This trick allows you to use a "7-way Plasma Gun" and is useful in survival mode. Acquire the Pulse Gun (that shoots little green waves). Get these Perks: Angry Reloader, Fastloader, and Stationary Reloader. Do not get the Perk Alternate Weapon, as this will mess things up. After getting the gun and Perks, hold [Reload]. Seven-way constant shots should start spewing from your weapon. Note: Do not get the Perk Alternate Weapon. Remain still if you have Stationary Reloader and the shots will fire faster. Try this with the "Weapon Power-up". Barrel Greaser and Fastshot will make the shots go faster, but not more frequently.
Complete the following tasks to unlock PlayStation 4 trophy rewards.
| Trophy | How to unlock
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|---|
| - Get over 100k points in Weapon Picker game mode.
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- Bloody Good Time (Bronze)
| - Explode 50 creatures to gibs within the first 30 seconds of a level.
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| - Get over 75k points in Nukefism game mode.
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- Chapter 1 Complete (Bronze)
| - Complete all Quests in Chapter 1.
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- Chapter 2 Complete (Bronze)
| - Complete all Quests in Chapter 2.
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- Chapter 3 Complete (Bronze)
| - Complete all Quests in Chapter 3.
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- Chapter 4 Complete (Bronze)
| - Complete all Quests in Chapter 4.
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- Chapter 5 Complete (Bronze)
| - Complete all Quests in Chapter 5.
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- Chapter 6 Complete (Bronze)
| - Complete all Quests in Chapter 6.
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| - Complete the game in Hardcore difficulty.
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| - Get over 50k points in Rush game mode.
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| - Beat the game in Grim difficulty.
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| |
| - Get 100 percent hit accuracy in Chapter 2 Quest 5.
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| - Get over 250k points in Survival game mode.
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- Master of Chains (Bronze)
| - Bounce Shock Chain powerup over 30 times.
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| - Get over 500k points in Survival game mode.
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| - Complete all Normal Quest levels with full health remaining.
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| |
| - Get over 250k points in Blitz game mode.
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