diff --git a/src/adm_mine.py b/src/adm_mine.py
new file mode 100644
index 0000000..ef5fe08
--- /dev/null
+++ b/src/adm_mine.py
@@ -0,0 +1,10 @@
+from typing import Union
+
+from mine import Mine
+
+
+class ADMMine(Mine):
+    mine_type = 'ADM'
+
+    def __init__(self, pressure: Union[float, int], armed: bool = True):
+        super().__init__(pressure, armed)
diff --git a/src/ap_mine.py b/src/ap_mine.py
index 833533f..2c035ec 100644
--- a/src/ap_mine.py
+++ b/src/ap_mine.py
@@ -1,8 +1,10 @@
+from typing import Union
+
 from mine import Mine
 
 
 class APMine(Mine):
-    defuse_method = 2
+    mine_type = 'AP'
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, pressure: Union[float, int], armed: bool = True):
+        super().__init__(pressure, armed)
diff --git a/src/at_mine.py b/src/at_mine.py
index f89a331..dfac7a7 100644
--- a/src/at_mine.py
+++ b/src/at_mine.py
@@ -1,8 +1,10 @@
+from typing import Union
+
 from mine import Mine
 
 
 class ATMine(Mine):
-    defuse_method = 1
+    mine_type = 'AT'
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, pressure: Union[float, int], armed: bool = True):
+        super().__init__(pressure, armed)
diff --git a/src/mine.py b/src/mine.py
index d317a41..d636929 100644
--- a/src/mine.py
+++ b/src/mine.py
@@ -1,3 +1,7 @@
+from typing import Union
+
+
 class Mine:
-    def __init__(self, is_armed: bool = True):
-        self.is_armed = is_armed
+    def __init__(self, pressure: Union[float, int], armed: bool):
+        self.is_armed = armed
+        self.pressure = pressure
diff --git a/src/tile.py b/src/tile.py
index 4063c3f..1c726f1 100644
--- a/src/tile.py
+++ b/src/tile.py
@@ -5,7 +5,10 @@ from at_mine import ATMine
 
 
 class Tile:
-	def __init__(self, number: int, weight: int, mine: Union[None, APMine, ATMine] = None):
+	def __init__(self, number: int, weight: int, visibility, stability, ground, mine: Union[None, APMine, ATMine] = None):
 		self.number = number
 		self.mine = mine
 		self.weight = weight
+		self.visibility = visibility
+		self.stability = stability
+		self.ground = ground