diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 3dd2d08bee..6262964752 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -1,6 +1,7 @@
 0.4.10 (in development)
 ------------------------------------------------------------------------
 - Improved: [#21424] Extra viewports can now rotate independently from the main viewport.
+- Change: [#21529] Classify “Southern Sands”, “Tiny Towers”, “Nevermore Park”, “Pacifica” as expert scenarios.
 - Fix: [#910] Extra viewport does not preserve the location when rotating.
 - Fix: [#21543] Crash with creating a TrackIterator with invalid arguments.
 
diff --git a/src/openrct2/scenario/ScenarioSources.cpp b/src/openrct2/scenario/ScenarioSources.cpp
index fb361d91f0..373420e8bd 100644
--- a/src/openrct2/scenario/ScenarioSources.cpp
+++ b/src/openrct2/scenario/ScenarioSources.cpp
@@ -201,10 +201,10 @@ namespace ScenarioSources
         {   SC_OCTAGON_PARK,            "Octagon Park",         SCENARIO_CATEGORY_CHALLENGING   },
         {   SC_PLEASURE_ISLAND,         "Pleasure Island",      SCENARIO_CATEGORY_CHALLENGING   },
         {   SC_ICICLE_WORLDS,           "Icicle Worlds",        SCENARIO_CATEGORY_CHALLENGING   },
-        {   SC_SOUTHERN_SANDS,          "Southern Sands",       SCENARIO_CATEGORY_CHALLENGING   },
-        {   SC_TINY_TOWERS,             "Tiny Towers",          SCENARIO_CATEGORY_CHALLENGING   },
-        {   SC_NEVERMORE_PARK,          "Nevermore Park",       SCENARIO_CATEGORY_CHALLENGING   },
-        {   SC_PACIFICA,                "Pacifica",             SCENARIO_CATEGORY_CHALLENGING   },
+        {   SC_SOUTHERN_SANDS,          "Southern Sands",       SCENARIO_CATEGORY_EXPERT        },
+        {   SC_TINY_TOWERS,             "Tiny Towers",          SCENARIO_CATEGORY_EXPERT        },
+        {   SC_NEVERMORE_PARK,          "Nevermore Park",       SCENARIO_CATEGORY_EXPERT        },
+        {   SC_PACIFICA,                "Pacifica",             SCENARIO_CATEGORY_EXPERT        },
         {   SC_URBAN_JUNGLE,            "Urban Jungle",         SCENARIO_CATEGORY_EXPERT        },
         {   SC_TERROR_TOWN,             "Terror Town",          SCENARIO_CATEGORY_EXPERT        },
         {   SC_MEGAWORLD_PARK,          "Megaworld Park",       SCENARIO_CATEGORY_EXPERT        },