diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 9d4a223b23..9c7e9fde08 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -4,6 +4,7 @@
 - Feature: [#12708] Add plugin-accessible names to all game actions.
 - Feature: [#12712] Add TCP / socket plugin APIs.
 - Feature: [#12840] Add Park.entranceFee to the plugin API.
+- Feature: [#12886] Make all scenery placement and remove actions available to the plugin API.
 - Fix: [#400] Unable to place some saved tracks flush to the ground (original bug).
 - Fix: [#5753] Entertainers make themselves happy instead of the guests.
 - Fix: [#7037] Unable to save tracks starting with a sloped turn or helix.
diff --git a/src/openrct2/actions/BannerPlaceAction.hpp b/src/openrct2/actions/BannerPlaceAction.hpp
index d89220e114..88e04546ef 100644
--- a/src/openrct2/actions/BannerPlaceAction.hpp
+++ b/src/openrct2/actions/BannerPlaceAction.hpp
@@ -33,6 +33,14 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _bannerType);
+        visitor.Visit("primaryColour", _primaryColour);
+        _bannerIndex = create_new_banner(0);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/BannerRemoveAction.hpp b/src/openrct2/actions/BannerRemoveAction.hpp
index 6a8b872f09..91ffd9987b 100644
--- a/src/openrct2/actions/BannerRemoveAction.hpp
+++ b/src/openrct2/actions/BannerRemoveAction.hpp
@@ -27,6 +27,11 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/FootpathPlaceAction.hpp b/src/openrct2/actions/FootpathPlaceAction.hpp
index 7ecd112878..f328b1091d 100644
--- a/src/openrct2/actions/FootpathPlaceAction.hpp
+++ b/src/openrct2/actions/FootpathPlaceAction.hpp
@@ -41,6 +41,14 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _type);
+        visitor.Visit("direction", _direction);
+        visitor.Visit("slope", _slope);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/FootpathRemoveAction.hpp b/src/openrct2/actions/FootpathRemoveAction.hpp
index 4fd791a975..ab94731b63 100644
--- a/src/openrct2/actions/FootpathRemoveAction.hpp
+++ b/src/openrct2/actions/FootpathRemoveAction.hpp
@@ -34,6 +34,11 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/FootpathSceneryPlaceAction.hpp b/src/openrct2/actions/FootpathSceneryPlaceAction.hpp
index bfa6602a64..80971c8d03 100644
--- a/src/openrct2/actions/FootpathSceneryPlaceAction.hpp
+++ b/src/openrct2/actions/FootpathSceneryPlaceAction.hpp
@@ -36,6 +36,12 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _pathItemType);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/FootpathSceneryRemoveAction.hpp b/src/openrct2/actions/FootpathSceneryRemoveAction.hpp
index b7e272319e..df4d56409e 100644
--- a/src/openrct2/actions/FootpathSceneryRemoveAction.hpp
+++ b/src/openrct2/actions/FootpathSceneryRemoveAction.hpp
@@ -33,6 +33,11 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/GameAction.h b/src/openrct2/actions/GameAction.h
index 9ffd26946e..b97a204249 100644
--- a/src/openrct2/actions/GameAction.h
+++ b/src/openrct2/actions/GameAction.h
@@ -172,6 +172,13 @@ public:
         Visit("y", param.y);
     }
 
+    void Visit(CoordsXYZ& param)
+    {
+        Visit("x", param.x);
+        Visit("y", param.y);
+        Visit("z", param.z);
+    }
+
     void Visit(CoordsXYZD& param)
     {
         Visit("x", param.x);
diff --git a/src/openrct2/actions/LargeSceneryPlaceAction.hpp b/src/openrct2/actions/LargeSceneryPlaceAction.hpp
index 7064ffd5a0..caaa4f6e70 100644
--- a/src/openrct2/actions/LargeSceneryPlaceAction.hpp
+++ b/src/openrct2/actions/LargeSceneryPlaceAction.hpp
@@ -72,6 +72,22 @@ public:
         }
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _sceneryType);
+        visitor.Visit("primaryColour", _primaryColour);
+        visitor.Visit("secondaryColour", _secondaryColour);
+        rct_scenery_entry* sceneryEntry = get_large_scenery_entry(_sceneryType);
+        if (sceneryEntry != nullptr)
+        {
+            if (sceneryEntry->large_scenery.scrolling_mode != SCROLLING_MODE_NONE)
+            {
+                _bannerId = create_new_banner(0);
+            }
+        }
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/LargeSceneryRemoveAction.hpp b/src/openrct2/actions/LargeSceneryRemoveAction.hpp
index 2454f3d2d9..4c4035b3fd 100644
--- a/src/openrct2/actions/LargeSceneryRemoveAction.hpp
+++ b/src/openrct2/actions/LargeSceneryRemoveAction.hpp
@@ -38,6 +38,12 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("tileIndex", _tileIndex);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/SmallSceneryRemoveAction.hpp b/src/openrct2/actions/SmallSceneryRemoveAction.hpp
index 310e2476cd..de8fefd607 100644
--- a/src/openrct2/actions/SmallSceneryRemoveAction.hpp
+++ b/src/openrct2/actions/SmallSceneryRemoveAction.hpp
@@ -40,6 +40,13 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _sceneryType);
+        visitor.Visit("quadrant", _quadrant);
+    }
+
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/WallPlaceAction.hpp b/src/openrct2/actions/WallPlaceAction.hpp
index bb3af4d7a6..83705cc5e2 100644
--- a/src/openrct2/actions/WallPlaceAction.hpp
+++ b/src/openrct2/actions/WallPlaceAction.hpp
@@ -84,6 +84,23 @@ public:
         }
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+        visitor.Visit("object", _wallType);
+        visitor.Visit("edge", _edge);
+        visitor.Visit("primaryColour", _primaryColour);
+        visitor.Visit("secondaryColour", _secondaryColour);
+        visitor.Visit("tertiaryColour", _tertiaryColour);
+        rct_scenery_entry* sceneryEntry = get_large_scenery_entry(_wallType);
+        if (sceneryEntry != nullptr)
+        {
+            if (sceneryEntry->large_scenery.scrolling_mode != SCROLLING_MODE_NONE)
+            {
+                _bannerId = create_new_banner(0);
+            }
+        }
+    }
     uint16_t GetActionFlags() const override
     {
         return GameAction::GetActionFlags();
diff --git a/src/openrct2/actions/WallRemoveAction.hpp b/src/openrct2/actions/WallRemoveAction.hpp
index de3cdda9b5..70629ac311 100644
--- a/src/openrct2/actions/WallRemoveAction.hpp
+++ b/src/openrct2/actions/WallRemoveAction.hpp
@@ -31,6 +31,11 @@ public:
     {
     }
 
+    void AcceptParameters(GameActionParameterVisitor & visitor) override
+    {
+        visitor.Visit(_loc);
+    }
+
     void Serialise(DataSerialiser & stream) override
     {
         GameAction::Serialise(stream);
diff --git a/src/openrct2/scripting/ScriptEngine.cpp b/src/openrct2/scripting/ScriptEngine.cpp
index f0997fe1c4..8e9180e389 100644
--- a/src/openrct2/scripting/ScriptEngine.cpp
+++ b/src/openrct2/scripting/ScriptEngine.cpp
@@ -42,7 +42,7 @@
 using namespace OpenRCT2;
 using namespace OpenRCT2::Scripting;
 
-static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 5;
+static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 6;
 
 struct ExpressionStringifier final
 {