Survivor Skills

Enrage:
Enrage it is the first skill to unlock and you get it at level 3

It gives you 10% bonus damage to all weapons.

Dash:
Dash is the second skill to unlock and you get it at level 4

It gives you 50% movement speed.

Landmine:
Landmine it is the third skill to unlock and you get it at the beginning of Chapter 2

It sets on the floor below you a Landmine that deals damage in area

EM Shield:
EM Shield is the 4th skill to unlock and you get it halfway through Chapter 3

It gives you a shield bar that protects you from most damage.

It doesnt protect your HP bar from Traps/Hazards and Acids from the Worm Zombies.

All the skills can be upgraded from the skill tree making them better.