diff --git a/Assets/Scripts/Mechanics/GameOptimizer.cs b/Assets/Scripts/Mechanics/GameOptimizer.cs
index 9541234..e4eac11 100644
--- a/Assets/Scripts/Mechanics/GameOptimizer.cs
+++ b/Assets/Scripts/Mechanics/GameOptimizer.cs
@@ -31,8 +31,8 @@ namespace Platformer.Mechanics
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
         static void SetupJumpThroughPlatforms()
         {
-            // BT5-Dev #28 — Tilemap 영역 포함 모든 일반 Collider Layer 8 변환.
-            // Drop-Through 표준 패턴 = 모든 발판·지면이 Layer 8. PlatformDropThrough Raycast가 하강 시 충돌 활성 = 착지.
+            // BT5-Dev #29 — 일반 지면 Tilemap 일반 충돌 복원 + Foreground 발판만 Layer 8.
+            // 일반 지면(Level TilemapCollider2D) = Layer 0 = 착지 정합 / 발판(Foreground·별개 BoxCollider) = Layer 8 = Drop-Through
             int applied = 0, excluded = 0;
             var allColliders = Object.FindObjectsByType<Collider2D>(FindObjectsSortMode.None);
             var appliedNames = new System.Collections.Generic.List<string>();
@@ -40,6 +40,8 @@ namespace Platformer.Mechanics
             {
                 if (c == null) continue;
                 if (c.isTrigger) { excluded++; continue; }
+                // 일반 지면 Tilemap 제외 (Layer 0 정상 충돌)
+                if (c.GetComponent<UnityEngine.Tilemaps.TilemapCollider2D>() != null) { excluded++; continue; }
                 if (c.GetComponent<PlayerController>() != null
                     || c.GetComponent<EnemyController>() != null
                     || c.GetComponent<DeathZone>() != null
@@ -51,18 +53,33 @@ namespace Platformer.Mechanics
                     continue;
                 }
 
-                // PlatformEffector2D 잔존 제거 (BT25 누적 영향 차단)
                 var effector = c.GetComponent<PlatformEffector2D>();
                 if (effector != null) Object.Destroy(effector);
                 c.usedByEffector = false;
-
-                // Layer 8 변환 → IgnoreLayerCollision 기본 통과 + PlatformDropThrough Raycast 착지
                 c.gameObject.layer = 8;
                 applied++;
                 if (appliedNames.Count < 8) appliedNames.Add($"{c.gameObject.name}({c.GetType().Name})");
             }
-            Debug.Log($"[BT28-JumpThrough] applied={applied} excluded={excluded} total={allColliders.Length}");
-            Debug.Log($"[BT28-JumpThrough] appliedSamples=[{string.Join(", ", appliedNames)}]");
+
+            // BT29 — Foreground GameObject(TilemapRenderer만 부착·Collider 미부착)에 TilemapCollider2D 동적 추가 + Layer 8
+            var foreground = GameObject.Find("Foreground");
+            if (foreground != null)
+            {
+                var fgTc = foreground.GetComponent<UnityEngine.Tilemaps.TilemapCollider2D>();
+                if (fgTc == null)
+                {
+                    fgTc = foreground.AddComponent<UnityEngine.Tilemaps.TilemapCollider2D>();
+                }
+                foreground.layer = 8;
+                Debug.Log($"[BT29-Foreground] TilemapCollider2D added·Layer 8 applied to '{foreground.name}'");
+            }
+            else
+            {
+                Debug.Log($"[BT29-Foreground] 'Foreground' GameObject not found");
+            }
+
+            Debug.Log($"[BT29-JumpThrough] applied={applied} excluded={excluded} total={allColliders.Length}");
+            Debug.Log($"[BT29-JumpThrough] appliedSamples=[{string.Join(", ", appliedNames)}]");
         }
     }
 }