diff --git a/evolve-die-repeat/molecular/molecular_player.gd b/evolve-die-repeat/molecular/molecular_player.gd
index 9cc4eb7..d4de100 100644
--- a/evolve-die-repeat/molecular/molecular_player.gd
+++ b/evolve-die-repeat/molecular/molecular_player.gd
@@ -17,6 +17,12 @@ var desired_rotation: float = 0
 # Resources / money
 var resources: int = 0
 
+# Health
+var healthPoints: int = 100
+var isAlive: bool = true
+@onready var invulnerable_cooldown_timer: Timer = $InvulnerableCooldownTimer
+var hasiframes: bool = false  # only used for iframe after collision for now
+
 func _ready() -> void:
 	var screen_size = get_viewport_rect().size
 	GameManager.init_screen_size(screen_size.x, screen_size.y)
@@ -27,17 +33,19 @@ func _ready() -> void:
 
 
 func _process(delta):
-	velocity = Vector2.ZERO
-	if Input.is_action_pressed("move_right"):
-		velocity.x += 1
-	if Input.is_action_pressed("move_left"):
-		velocity.x -= 1
-	if Input.is_action_pressed("move_down"):
-		velocity.y += 1
-	if Input.is_action_pressed("move_up"):
-		velocity.y -= 1
-	if Input.is_action_pressed("try_attack"):
-		try_attack()
+	# TODO: Connects this to some respawn screen
+	if isAlive:
+		velocity = Vector2.ZERO
+		if Input.is_action_pressed("move_right"):
+			velocity.x += 1
+		if Input.is_action_pressed("move_left"):
+			velocity.x -= 1
+		if Input.is_action_pressed("move_down"):
+			velocity.y += 1
+		if Input.is_action_pressed("move_up"):
+			velocity.y -= 1
+		if Input.is_action_pressed("try_attack"):
+			try_attack()
 
 
 	if not velocity.is_zero_approx():
@@ -66,7 +74,7 @@ func _on_attack_timeout() -> void:
 	sprite.play("default")
 	attack_cooldown_timer.start()
 	
-func _on_cooldown_timeout() -> void:
+func _on_attack_cooldown_timeout() -> void:
 	can_attack = true
 	
 func _on_attack_hit(body: Node2D) -> void:
@@ -81,10 +89,19 @@ func _on_attack_hit(body: Node2D) -> void:
 		await get_tree().create_timer(0.2).timeout
 		sprite.play("default")
 		# TODO: resource handling logic
+		
+func _on_invulnerable_cooldown_timeout() -> void:
+	hasiframes = false
 
 func handle_damage(dmg: int, src: Node) -> void:
-	# TODO: damage logic
-	pass	
+	# TODO: enhanced damage logic (src entity effects?)
+	if not hasiframes:
+		print("Player took %d damage." % dmg)
+		healthPoints -= dmg
+		hasiframes = true
+		invulnerable_cooldown_timer.start()
+	if healthPoints <= 0:
+		isAlive = false
 	
 func collect_resource(damnt: int) -> void:
 	resources += damnt
diff --git a/evolve-die-repeat/molecular/molecular_player.tscn b/evolve-die-repeat/molecular/molecular_player.tscn
index 6f55749..4b2559d 100644
--- a/evolve-die-repeat/molecular/molecular_player.tscn
+++ b/evolve-die-repeat/molecular/molecular_player.tscn
@@ -59,6 +59,10 @@ one_shot = true
 [node name="AttackCooldownTimer" type="Timer" parent="." unique_id=1056439284]
 one_shot = true
 
+[node name="InvulnerableCooldownTimer" type="Timer" parent="." unique_id=311411582]
+one_shot = true
+
 [connection signal="body_entered" from="AttackArea" to="." method="_on_attack_hit"]
 [connection signal="timeout" from="AttackTimer" to="." method="_on_attack_timeout"]
-[connection signal="timeout" from="AttackCooldownTimer" to="." method="_on_cooldown_timeout"]
+[connection signal="timeout" from="AttackCooldownTimer" to="." method="_on_attack_cooldown_timeout"]
+[connection signal="timeout" from="InvulnerableCooldownTimer" to="." method="_on_invulnerable_cooldown_timeout"]