diff --git a/src/main/java/controls/AbstractGameState.java b/src/main/java/controls/AbstractGameState.java
new file mode 100644
index 0000000..fd0fac6
--- /dev/null
+++ b/src/main/java/controls/AbstractGameState.java
@@ -0,0 +1,55 @@
+package controls;
+
+import resources.Algo;
+
+import java.util.List;
+import java.util.Map;
+
+public abstract class AbstractGameState {
+    Algo algo;
+    static boolean isATurn;
+    boolean isSucceedLatestAttack;
+    public AbstractGameState(Algo algo){
+        this.algo = algo;
+        isATurn=algo.isATurn();
+    }
+
+    public abstract void attack(int guess, int attacker, int target);
+    public List<Map.Entry<Integer, Boolean>> getMyHands() {
+        return algo.getHandsA();
+    }
+
+    public List<Map.Entry<Integer, Boolean>> getOpponentHands() {
+        return algo.getHandsB();
+    }
+
+    public Map.Entry<Integer, Boolean> getTopCard() {
+        if (isDeckLess()) return null;
+        return algo.getDeck().get(0);
+    }
+    public void updateTurn() {
+        algo.updateTurn();
+        isATurn= algo.isATurn();
+    }
+    public boolean isATurn() {
+        return isATurn;
+    }
+    public boolean isDeckLess() {
+        return algo.getDeck().size() == 0;
+    }
+    public boolean isSucceedLatestAttack() {
+        return isSucceedLatestAttack;
+    }
+
+    public int getDeckNumber() {
+        return algo.getDeck().size();
+    }
+
+    public boolean isALose() {
+        return algo.getLoseA();
+    }
+
+    public boolean isBLose() {
+        return algo.getLoseB();
+    }
+}