Difficulty settings (Half-Life: Blue Shift)

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Half-Life allows players to play through its campaign in one of three different difficulty settings, each affecting the game in a different way. Below is a list of enemies and items and how they are affected in easy, normal and hard difficulty, respectively.

Items and Interactables

The chosen difficulty setting determines how much Health or Suit Energy the player can get from the following items:

Entity	Difficulty	Amount
Health Charger	Easy	50
	Normal	40
	Hard	25
Suit Charger	Easy	0
	Normal	0
	Hard	0
Health Kit	Easy	15
	Normal	15
	Hard	10
Helmet	Easy	40
	Normal	40
	Hard	40
Vest	Easy	60
	Normal	60
	Hard	60

Monsters

The chosen difficulty setting determines, among other things, how much Health each monster will have and how much damage their attacks will deal:

Aliens

Entity	Difficulty	Health	Attack 1	Attack 2	Attack 3	Notes
Headcrab	Easy	10	5	-	-
	Normal	10	10	-	-
	Hard	20	10	-	-
Vortigaunt	Easy	30	10	8	-	Their first attack is their signature 'Electric Zap' attack. Their secondary attack type is a melee "Claw Attack".
	Normal	30	10	10	-
	Hard	60	15	10	-
Houndeye	Easy	20	10	-	-	A houndeye's damage is multiplied based on the size of their squad. (A Two-Houndeye squad will do 30 each, Three will do 45, etc.)
	Normal	20	15	-	-
	Hard	30	15	-	-
Barnacle	Easy	10	-	-	-	Barnacles wait for their prey to touch its long tongue and drag said prey upwards to their mouth instead of actively hunting.
	Normal	10	-	-	-
	Hard	10	-	-	-
Bullsquid	Easy	40	10	15	35	The Bullsquid's first attack is a projectile-based spit attack, the secondary attack is a melee-based 'biting' attack, and finally the third attack is a tail-whipping attack.
	Normal	40	10	25	35
	Hard	120	15	25	35
Alien Grunt	Easy	60	4	10	-	Their first attack is a projectile-based hornet attack that targets the player. The secondary attack is a melee-based punch.
	Normal	90	5	20	-
	Hard	120	8	20	-
Alien Controller	Easy	60	3	15	-	The first attack is a series of small and quick energy balls. The second attack is a larger energy ball that slowly homes in onto its target.
	Normal	60	4	25	-
	Hard	100	5	35	-
Snark	Easy	2	10	5	-	The Snark's first attack is "Bite Attack" when they hit their target. The second attack occurs when they explode into acid after getting damaged or after 20 seconds. Note, it is the only "summonable" NPC by the player in form of a weapon.
	Normal	2	10	5	-
	Hard	2	10	5	-

Mutated

Entity	Difficulty	Health	Attack 1	Attack 2	Attack 3	Notes
Zombie	Easy	50	10	25	-	The first attack type is a one-arm slash attack, where-as the second is a heavier 2 arm slashing motion.
	Normal	50	20	40	-
	Hard	100	20	40	-

Turrets

Entity	Difficulty	Health	Damage
Sentry Turret	Easy	40	3
	Normal	40	4
	Hard	50	5

Humans

Entity	Difficulty	Health	Attack 1	Attack 2	Attack 3	Pellets per attack	Notes
Human Grunt (9mmAR)	Easy	50	5	3	-	3	Their first attack is a melee-based kick attack. The secondary attack is their weapon's attack.
	Normal	50	10	5	-	5
	Hard	80	10	6	-	6

Trivia

• Console command "skill" can be used to change the difficulty at any time ingame. However it may not change all difficulty settings properly. (Health Stations etc.)
• Vortigaunts charge their first attack faster on Hard difficulty.