diff --git a/src/mars_patcher/auto_generated_types.py b/src/mars_patcher/auto_generated_types.py
index a2b0c84..ee2de07 100644
--- a/src/mars_patcher/auto_generated_types.py
+++ b/src/mars_patcher/auto_generated_types.py
@@ -624,5 +624,8 @@ class Marsschema(typ.TypedDict, total=False):
     RoomNames: typ.Annotated[list[MarsschemaRoomnamesItem], 'Unique items']
     """Specifies a name to be displayed when the A Button is pressed on the pause menu."""
 
+    RevealHiddenTiles: bool = False
+    """When enabled, reveals normally hidden blocks that are breakable by upgrades. Hidden pickup tanks are not revealed regardless of this setting."""
+
 
 MarsSchema: typ.TypeAlias = Marsschema
diff --git a/src/mars_patcher/constants/reserved_space.py b/src/mars_patcher/constants/reserved_space.py
index 562214c..0abed21 100644
--- a/src/mars_patcher/constants/reserved_space.py
+++ b/src/mars_patcher/constants/reserved_space.py
@@ -26,3 +26,4 @@ class ReservedConstants:
     MISSILE_LIMIT_ADDR = 0x7FF06A
     MINOR_LOCS_ARRAY_ADDR = 0x7FF06C
     ROOM_NAMES_TABLE_ADDR = 0x7FF070
+    REVEAL_HIDDEN_TILES_ADDR = 0x7FF08C
diff --git a/src/mars_patcher/data/schema.json b/src/mars_patcher/data/schema.json
index 377f64f..ec17585 100644
--- a/src/mars_patcher/data/schema.json
+++ b/src/mars_patcher/data/schema.json
@@ -651,6 +651,11 @@
                 },
                 "required": ["Area", "Room", "Name"]
             }
+        },
+        "RevealHiddenTiles": {
+            "type": "boolean",
+            "description": "When enabled, reveals normally hidden blocks that are breakable by upgrades. Hidden pickup tanks are not revealed regardless of this setting.",
+            "default": false
         }
     },
     "required": [
@@ -961,4 +966,4 @@
             "default": "OPEN"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/mars_patcher/misc_patches.py b/src/mars_patcher/misc_patches.py
index eca474c..bf2e7cb 100644
--- a/src/mars_patcher/misc_patches.py
+++ b/src/mars_patcher/misc_patches.py
@@ -70,3 +70,7 @@ def apply_pbs_without_bombs(rom: Rom) -> None:
 
 def apply_anti_softlock_edits(rom: Rom) -> None:
     apply_patch_in_data_path(rom, "anti_softlock.ips")
+
+
+def apply_reveal_hidden_tiles(rom: Rom) -> None:
+    rom.write_8(ReservedConstants.REVEAL_HIDDEN_TILES_ADDR, 1)
diff --git a/src/mars_patcher/patcher.py b/src/mars_patcher/patcher.py
index be85ec9..861543a 100644
--- a/src/mars_patcher/patcher.py
+++ b/src/mars_patcher/patcher.py
@@ -15,6 +15,7 @@
 from mars_patcher.misc_patches import (
     apply_anti_softlock_edits,
     apply_pbs_without_bombs,
+    apply_reveal_hidden_tiles,
     apply_unexplored_map,
     change_missile_limit,
     disable_demos,
@@ -166,6 +167,9 @@ def patch(
     if patch_data.get("UnexploredMap"):
         apply_unexplored_map(rom)
 
+    if patch_data.get("RevealHiddenTiles"):
+        apply_reveal_hidden_tiles(rom)
+
     if patch_data.get("DoorLocks") or "HideDoorsOnMinimap" in patch_data:
         remove_door_colors_on_minimap(rom)