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diff --git a/Assets/Materials/GroundMaterial.mat b/Assets/Materials/GroundMaterial.mat
index 9c13289..20754ca 100644
--- a/Assets/Materials/GroundMaterial.mat
+++ b/Assets/Materials/GroundMaterial.mat
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diff --git a/Assets/Scenes/SampleScene/NavMesh-Ground.asset b/Assets/Scenes/SampleScene/NavMesh-Ground.asset
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diff --git a/Assets/Scripts/Enemy/EnemyAttack.cs b/Assets/Scripts/Enemy/EnemyAttack.cs
new file mode 100644
index 0000000..7f7c6f1
--- /dev/null
+++ b/Assets/Scripts/Enemy/EnemyAttack.cs
@@ -0,0 +1,26 @@
+using UnityEngine;
+
+public class EnemyAttack : MonoBehaviour
+{
+    [Header("Attack Settings")]
+    [SerializeField] private float damage = 10f;
+    [SerializeField] private float attackCooldown = 1.0f; // 공격 간격 (1초)
+
+    private float _nextAttackTime = 0f;
+
+    // EnemyAttack.cs
+    private void OnCollisionStay(Collision collision)
+    {
+        if (Time.time >= _nextAttackTime)
+        {
+            // 상대방에게서 IDamageable 인터페이스가 있는지 확인
+            IDamageable target = collision.gameObject.GetComponent<IDamageable>();
+
+            if (target != null)
+            {
+                target.TakeDamage(damage);
+                _nextAttackTime = Time.time + attackCooldown;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/Enemy/EnemyMoveDefault.cs b/Assets/Scripts/Enemy/EnemyMoveDefault.cs
new file mode 100644
index 0000000..dac8a16
--- /dev/null
+++ b/Assets/Scripts/Enemy/EnemyMoveDefault.cs
@@ -0,0 +1,45 @@
+using UnityEngine;
+using UnityEngine.AI; // NavMesh 기능을 위해 필수
+
+public class EnemyAI : MonoBehaviour
+{
+    private NavMeshAgent _agent;
+    private Transform _target;
+
+    void Awake()
+    {
+        _agent = GetComponent<NavMeshAgent>();
+    }
+
+    void Start()
+    {
+        // --- 2번 방법: 위치 보정 로직 시작 ---
+        // 현재 위치에서 반경 2.0f 이내에 가장 가까운 NavMesh가 있는지 검사합니다.
+        if (NavMesh.SamplePosition(transform.position, out NavMeshHit hit, 2.0f, NavMesh.AllAreas))
+        {
+            // 에이전트를 해당 위치로 강제 순간이동(Warp) 시킵니다.
+            // 이 작업은 에러를 방지하고 에이전트를 활성화합니다.
+            _agent.Warp(hit.position);
+        }
+        else
+        {
+            Debug.LogError($"{gameObject.name} 근처에 NavMesh를 찾을 수 없습니다! 스폰 위치를 확인하세요.");
+        }
+        // --- 2번 방법 끝 ---
+
+        // 기존 타겟(Core) 설정 로직
+        GameObject coreObj = GameObject.FindWithTag("Core");
+        if (coreObj != null)
+        {
+            _target = coreObj.transform;
+        }
+    }
+
+    void FixedUpdate()
+    {
+        if (_target != null && _agent.isOnNavMesh)
+        {
+            _agent.SetDestination(_target.position);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/Core.cs b/Assets/Scripts/GameBase/Core.cs
new file mode 100644
index 0000000..4bb3687
--- /dev/null
+++ b/Assets/Scripts/GameBase/Core.cs
@@ -0,0 +1,23 @@
+using UnityEngine;
+using System;
+
+public class Core : MonoBehaviour, IDamageable
+{
+    [SerializeField] private float maxHealth = 100f;
+    private float _currentHealth;
+
+    // 체력이 변경될 때 UI 등에 알리기 위한 이벤트 (Observer 패턴)
+    public static event Action<float> OnHealthChanged;
+    public static event Action OnCoreDestroyed;
+
+    void Awake() => _currentHealth = maxHealth;
+
+    public void TakeDamage(float amount)
+    {
+        _currentHealth -= amount;
+        OnHealthChanged?.Invoke(_currentHealth / maxHealth);
+
+        if (_currentHealth <= 0)
+            OnCoreDestroyed?.Invoke();
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/GameManager.cs b/Assets/Scripts/GameBase/GameManager.cs
new file mode 100644
index 0000000..f08e601
--- /dev/null
+++ b/Assets/Scripts/GameBase/GameManager.cs
@@ -0,0 +1,36 @@
+using UnityEngine;
+using UnityEngine.SceneManagement; // 씬 재시작용
+
+public class GameManager : MonoBehaviour
+{
+    private bool _isGameOver = false;
+
+    private void OnEnable()
+    {
+        // Core의 파괴 이벤트를 구독
+        Core.OnCoreDestroyed += GameOver;
+    }
+
+    private void OnDisable()
+    {
+        Core.OnCoreDestroyed -= GameOver;
+    }
+
+    private void GameOver()
+    {
+        if (_isGameOver) return;
+
+        _isGameOver = true;
+        Debug.Log("Game Over! Core has been destroyed.");
+
+        // 여기에 패배 UI 표시 로직 등을 넣습니다.
+        // 예: 3초 후 게임 재시작
+        Invoke(nameof(RestartGame), 3f);
+    }
+
+    private void RestartGame()
+    {
+        // 현재 활성화된 씬을 다시 로드
+        SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/Gate.cs b/Assets/Scripts/GameBase/Gate.cs
new file mode 100644
index 0000000..5352590
--- /dev/null
+++ b/Assets/Scripts/GameBase/Gate.cs
@@ -0,0 +1,18 @@
+using UnityEngine;
+using System;
+
+// Gate.cs
+public class Gate : MonoBehaviour, IDamageable
+{
+    [SerializeField] private float maxHealth = 50f;
+    private float _currentHealth;
+
+    void Awake() => _currentHealth = maxHealth;
+
+    public void TakeDamage(float amount)
+    {
+        _currentHealth -= amount;
+        if (_currentHealth <= 0) 
+            gameObject.SetActive(false);
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/IDamageable.cs b/Assets/Scripts/GameBase/IDamageable.cs
new file mode 100644
index 0000000..2ba6b47
--- /dev/null
+++ b/Assets/Scripts/GameBase/IDamageable.cs
@@ -0,0 +1,5 @@
+// IDamageable.cs
+public interface IDamageable
+{
+    void TakeDamage(float amount);
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/Portal.cs b/Assets/Scripts/GameBase/Portal.cs
new file mode 100644
index 0000000..2753cb2
--- /dev/null
+++ b/Assets/Scripts/GameBase/Portal.cs
@@ -0,0 +1,27 @@
+using UnityEngine;
+
+public class Portal : MonoBehaviour
+{
+    [SerializeField] private Transform destination; // 순간이동할 목적지 (반대편 포탈의 위치)
+    [SerializeField] private float cooldown = 1f;    // 연속 이동 방지 쿨타임
+    private float _lastTeleportTime;
+
+    private void OnTriggerEnter(Collider other)
+    {
+        // 플레이어 태그 확인 및 쿨타임 체크
+        if (other.CompareTag("Player") && Time.time > _lastTeleportTime + cooldown)
+        {
+            // 상대방 포탈의 쿨타임도 같이 설정해야 무한 루프를 방지함
+            Portal destPortal = destination.GetComponent<Portal>();
+            if (destPortal != null) destPortal._lastTeleportTime = Time.time;
+
+            _lastTeleportTime = Time.time;
+
+            // 플레이어 위치 이동
+            // CharacterController나 Rigidbody를 사용 중이라면 이동 방식에 주의
+            other.transform.position = destination.position;
+
+            Debug.Log("Teleported to " + destination.name);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/GameBase/WaveManager.cs b/Assets/Scripts/GameBase/WaveManager.cs
new file mode 100644
index 0000000..201890d
--- /dev/null
+++ b/Assets/Scripts/GameBase/WaveManager.cs
@@ -0,0 +1,76 @@
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+[System.Serializable] // 이 속성이 있어야 인스펙터에 노출됩니다.
+public class Wave
+{
+    public string waveName;        // 웨이브 식별용 이름
+    public GameObject enemyPrefab; // 소환할 적 프리팹
+    public int count;              // 소환할 마릿수
+    public float spawnRate;        // 적 한 마리당 소환 간격 (초)
+}
+
+public class WaveManager : MonoBehaviour
+{
+    [Header("Wave Settings")]
+    [SerializeField] private List<Wave> waves; // 웨이브 데이터 리스트
+    [SerializeField] private float timeBetweenWaves = 5f; // 웨이브 간 대기 시간
+    [SerializeField] private Transform[] spawnPoints;   // 적이 나타날 위치들
+
+    private Transform _target;
+
+    private int _currentWaveIndex = 0;
+
+    void Start()
+    {
+        _target = GameObject.FindWithTag("Core").transform;
+
+        // 게임 시작 시 웨이브 루틴 시작
+        StartCoroutine(StartWaveRoutine());
+    }
+
+    IEnumerator StartWaveRoutine()
+    {
+        // 모든 웨이브를 순회
+        while (_currentWaveIndex < waves.Count)
+        {
+            Wave currentWave = waves[_currentWaveIndex];
+
+            Debug.Log($"Wave {_currentWaveIndex + 1}: {currentWave.waveName} 시작!");
+
+            // 1. 적 소환 로직
+            for (int i = 0; i < currentWave.count; i++)
+            {
+                SpawnEnemy(currentWave.enemyPrefab);
+
+                // 지정된 간격만큼 대기 (이게 코루틴의 핵심입니다)
+                yield return new WaitForSeconds(currentWave.spawnRate);
+            }
+
+            // 2. 다음 웨이브 전까지 대기
+            Debug.Log("웨이브 종료. 다음 웨이브 대기 중...");
+            yield return new WaitForSeconds(timeBetweenWaves);
+
+            _currentWaveIndex++;
+        }
+
+        Debug.Log("모든 웨이브가 종료되었습니다!");
+    }
+
+    void SpawnEnemy(GameObject enemyPrefab)
+    {
+        // 1. 스폰 위치 선택
+        Transform spawnPoint = spawnPoints[Random.Range(0, spawnPoints.Length)];
+
+        // 2. 방향 계산 (Core - SpawnPoint)
+        Vector3 directionToCore = (_target.position - spawnPoint.position).normalized;
+
+        // 3. 방향을 Quaternion 회전값으로 변환 (Y축 기준으로만 회전하도록 설정)
+        // 윗방향(Vector3.up)을 축으로 하여 해당 방향을 바라보게 함
+        Quaternion lookRotation = Quaternion.LookRotation(new Vector3(directionToCore.x, 0, directionToCore.z));
+
+        // 4. 계산된 위치와 회전값으로 생성
+        Instantiate(enemyPrefab, spawnPoint.position, lookRotation);
+    }
+}
\ No newline at end of file
diff --git a/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png b/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png
deleted file mode 100644
index 65e6b0c..0000000
Binary files a/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png and /dev/null differ
diff --git a/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png.json b/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png.json
deleted file mode 100644
index f1a6b8a..0000000
--- a/GeneratedAssets/c179f86efc9ecef499be9cb95262e4f9/019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "asset": "c179f86efc9ecef499be9cb95262e4f9",
-    "fileName": "019bafb9-28c6-7653-8648-9f0d69f0338e_Preview.png",
-    "prompt": "ground",
-    "negativePrompt": "",
-    "model": "44ec3749-963a-44b1-aa54-dc19f6ed8ab2",
-    "modelName": "Unity Texture2D",
-    "customSeed": 1351168645,
-    "w3CTraceId": "bb3e280eb26aeab699d5529f12fdae5e",
-    "refinementMode": "Generation"
-}
\ No newline at end of file
diff --git a/ProjectSettings/DynamicsManager.asset b/ProjectSettings/DynamicsManager.asset
index fc90ab9..eb777c1 100644
--- a/ProjectSettings/DynamicsManager.asset
+++ b/ProjectSettings/DynamicsManager.asset
@@ -3,10 +3,11 @@
 --- !u!55 &1
 PhysicsManager:
   m_ObjectHideFlags: 0
-  serializedVersion: 13
+  serializedVersion: 22
   m_Gravity: {x: 0, y: -9.81, z: 0}
   m_DefaultMaterial: {fileID: 0}
   m_BounceThreshold: 2
+  m_DefaultMaxDepenetrationVelocity: 10
   m_SleepThreshold: 0.005
   m_DefaultContactOffset: 0.01
   m_DefaultSolverIterations: 6
@@ -16,11 +17,11 @@ PhysicsManager:
   m_EnableAdaptiveForce: 0
   m_ClothInterCollisionDistance: 0.1
   m_ClothInterCollisionStiffness: 0.2
-  m_ContactsGeneration: 1
-  m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
-  m_AutoSimulation: 1
+  m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffbfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_SimulationMode: 0
   m_AutoSyncTransforms: 0
   m_ReuseCollisionCallbacks: 1
+  m_InvokeCollisionCallbacks: 1
   m_ClothInterCollisionSettingsToggle: 0
   m_ClothGravity: {x: 0, y: -9.81, z: 0}
   m_ContactPairsMode: 0
@@ -31,6 +32,13 @@ PhysicsManager:
   m_WorldSubdivisions: 8
   m_FrictionType: 0
   m_EnableEnhancedDeterminism: 0
-  m_EnableUnifiedHeightmaps: 1
+  m_ImprovedPatchFriction: 0
+  m_GenerateOnTriggerStayEvents: 1
   m_SolverType: 0
   m_DefaultMaxAngularSpeed: 50
+  m_ScratchBufferChunkCount: 4
+  m_CurrentBackendId: 4072204805
+  m_FastMotionThreshold: 3.4028235e+38
+  m_SceneBuffersReleaseInterval: 0
+  m_ReleaseSceneBuffers: 0
+  m_LogVerbosity: 3
diff --git a/ProjectSettings/NavMeshAreas.asset b/ProjectSettings/NavMeshAreas.asset
index 3b0b7c3..cf9a13f 100644
--- a/ProjectSettings/NavMeshAreas.asset
+++ b/ProjectSettings/NavMeshAreas.asset
@@ -69,12 +69,12 @@ NavMeshProjectSettings:
     cost: 1
   - name: 
     cost: 1
-  m_LastAgentTypeID: -887442657
+  m_LastAgentTypeID: -1372625422
   m_Settings:
-  - serializedVersion: 2
+  - serializedVersion: 3
     agentTypeID: 0
-    agentRadius: 0.5
-    agentHeight: 2
+    agentRadius: 0.05
+    agentHeight: 1
     agentSlope: 45
     agentClimb: 0.75
     ledgeDropHeight: 0
@@ -84,8 +84,29 @@ NavMeshProjectSettings:
     cellSize: 0.16666667
     manualTileSize: 0
     tileSize: 256
-    accuratePlacement: 0
+    buildHeightMesh: 0
+    maxJobWorkers: 0
+    preserveTilesOutsideBounds: 0
+    debug:
+      m_Flags: 0
+  - serializedVersion: 3
+    agentTypeID: -1372625422
+    agentRadius: 0.05
+    agentHeight: 0.001
+    agentSlope: 10
+    agentClimb: 0.1
+    ledgeDropHeight: 0
+    maxJumpAcrossDistance: 0
+    minRegionArea: 2
+    manualCellSize: 0
+    cellSize: 0.16666667
+    manualTileSize: 0
+    tileSize: 256
+    buildHeightMesh: 0
+    maxJobWorkers: 0
+    preserveTilesOutsideBounds: 0
     debug:
       m_Flags: 0
   m_SettingNames:
   - Humanoid
+  - Enemy
diff --git a/ProjectSettings/TagManager.asset b/ProjectSettings/TagManager.asset
index 1c92a78..e332701 100644
--- a/ProjectSettings/TagManager.asset
+++ b/ProjectSettings/TagManager.asset
@@ -2,8 +2,10 @@
 %TAG !u! tag:unity3d.com,2011:
 --- !u!78 &1
 TagManager:
-  serializedVersion: 2
-  tags: []
+  serializedVersion: 3
+  tags:
+  - Core
+  - Gate
   layers:
   - Default
   - TransparentFX
@@ -11,7 +13,7 @@ TagManager:
   - 
   - Water
   - UI
-  - 
+  - Enemy
   - 
   - 
   - 
@@ -41,3 +43,5 @@ TagManager:
   - name: Default
     uniqueID: 0
     locked: 0
+  m_RenderingLayers:
+  - Default