How to unlock more characters in ww2 zombies

The general strategy you'll want to use is to start off upstairs by the ledge to the stairs where you can jump down.It kinda replaces juggernog, but it is a must for this achievement. Keep in mind that it takes a while to throw these. Useful for repurchasing quick revive midwave or saving yourself when you are red screened. You will have 3 'time outs' if you manage to get them. Try to get the new monkeybombs (Jack in the Box) from the mystery box.The MP40 is however useful midwave, as you can quickly purchase ammo. You'll notice the MP-40 becomes nothing but a bullet sponge after about wave 12, so stick to the mystery box for weapons after that.You kill zombies incredibly quicker and it conserves your ammo for when you have powerful weapons. After your third death, your next death will be game over. You can buy the self-revive only three times.You do not have the ability to pack-a-punch any weapons.(There is a single feature which allows you to fire for 20 seconds without reloading. There are no power ups such as max ammo, instant kill, nuke, double points, etc.Here's some things you'll need to know when going for this achievement: To unlock the mystery box, you'll need to shoot ten lanteres: 2 outside, 4 downstairs, 4 upstairs, and shooting all 10 will unlock a room upstairs which has the mystery box.

How to unlock more characters in ww2 zombies