A guide to unlock all 4 weapons in The house of the dead remake
 
 

Unlock armory

You have to save all scientists in 1 playthrough (any difficulty) before you unlock Armory to unlock any weapons
 
 
You will know when you unlock “Saviour” achievement
 
 

 
 
And hidden room at chapter 4 after you kill the bat guy will open for you to enter (the right room)
 
 

 
 

 
 
This achievement will unlock
 
 

 
 
 

Crossbow

In chapter 1
 
 
When you’re about to enter the castle, You will have to save this scientist to get in the front door
 
 

 
 
After enter the castle, When you see 2 monkeys, Kill the left one
 
 

 
 
Don’t get push down by this guy
 
 

 
 
And when you enter the first room after last guy, You will have to shoot the treasure chest behind the pillar (It’s quite fast so you might need to take a hit)
 
 

 
 
And you get a Crossbow
 
 
 

Pitter

In Chapter 2
 
 
You have to shoot the trap door chains to open it (below this guy)
 
 

 
 
It will be open like this
 
 

 
 
After you get down and enter the kitchen and kill 2 guys in the fridge
 
 

 
 
After you get knock down, Shoot the chest behind the guy with hammer (This one also quite fast so you might need to take a hit)
 
 

 
 
And There’s a Pitter
 
 
 

Grenade Launcher

In Chapter 3
 
 
In the first room you enter, After your character know that the right door is locked and enter the left room with 3 guy in it
 
 
The chest will be behind in the right corner
 
 

 
 
And you will get a Grenade Launcher
 
 
 

Assault Rifle

In chapter 4
 
 
This one is also in the first room you enter
 
 
After you pass this 2 guys
 
 

 
 
You will see the chest in right
 
 

 
 
Shoot it and you will get an Assault Rifle
 
 

 
 
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