diff --git a/scripts/Modules/Cannon.gd b/scripts/Modules/Cannon.gd
index 8711c12..704b3ae 100644
--- a/scripts/Modules/Cannon.gd
+++ b/scripts/Modules/Cannon.gd
@@ -3,7 +3,8 @@ extends Module
 class_name Cannon
 
 enum STATE {INACTIVE, RELOADING, SHOOTING}
-
+enum AMMO {NORMAL, HEAVY, LIGHT}
+var currentAmmo: AMMO
 var CAN_ENGAGE = true
 var DAMAGE = 5
 @onready var train = get_parent() as Train
@@ -15,13 +16,13 @@ func _ready():
 	currentState = STATE.INACTIVE
 #TODO: FINISH
 func interact():
+	
 	if currentState == STATE.INACTIVE:
 		#TODO: RELOADING
 		if currentStashValue < maxStashValue:
 			currentState = STATE.RELOADING
 			currentStashValue += 1
 		return
-		
 	return
 
 func shoot():
diff --git a/scripts/Modules/Engine.gd b/scripts/Modules/Engine.gd
index 58ac3e6..4969c82 100644
--- a/scripts/Modules/Engine.gd
+++ b/scripts/Modules/Engine.gd
@@ -3,6 +3,10 @@ class_name TrainEngine
 
 
 enum STATE {RUNNING, DEAD}
+const maxSpeed = 6
+const refuelRate = 0.5
+
+@onready var train = get_parent() as Train
 
 #------------Methods-------------#
 func _ready():
@@ -13,13 +17,17 @@ func _ready():
 #TODO: FINISH
 func interact():
 	if currentState == STATE.RUNNING:
-		if currentStashValue < maxStashValue:
-			currentStashValue += 10 
-			if currentStashValue > maxStashValue:
-				currentStashValue = maxStashValue
+		if (train.current_speed + refuelRate) <= maxSpeed:
+			train.current_speed += refuelRate
+		if train.current_speed >= maxSpeed:
+				train.current_speed = maxSpeed
 		return
 	#TODO: Repair Train
 	currentState = STATE.RUNNING
+
+#
+func _process(delta):
+	if not train.is_dead():
+		train.current_speed -= 0.1 * delta
 	
 
-
diff --git a/scripts/Train.gd b/scripts/Train.gd
index 6c64b3d..c0228a5 100644
--- a/scripts/Train.gd
+++ b/scripts/Train.gd
@@ -31,4 +31,5 @@ func _on_signal_shooting():
 func is_dead():
 	if current_speed <= 0:
 		game_over.emit()
-	
+		return true
+	return false