diff --git a/mod.jpg b/mod.jpg
index 09b914d..47ef7c3 100644
Binary files a/mod.jpg and b/mod.jpg differ
diff --git a/test_suites/windows/manifest.json b/test_suites/windows/manifest.json
index 2939a71..b38b610 100644
--- a/test_suites/windows/manifest.json
+++ b/test_suites/windows/manifest.json
@@ -6,8 +6,8 @@
   ],
   "depends": [
     "cthangover_game>=1",
-    "rpg_tileset_editor>=1",
     "village_pack>=1",
-    "test_defaults_and_patches>=1"
+    "test_defaults_and_patches>=1",
+    "rpg_editor>=1"
   ]
 }
diff --git a/test_suites/windows/src/ToolWindowsAtlasExercise.cs b/test_suites/windows/src/ToolWindowsAtlasExercise.cs
deleted file mode 100644
index 89d662e..0000000
--- a/test_suites/windows/src/ToolWindowsAtlasExercise.cs
+++ /dev/null
@@ -1,77 +0,0 @@
-namespace Cthangover.Tools.Tests.Windows
-{
-    using System;
-    using System.IO;
-    using System.Linq;
-    using Cthangover.Mods.Rpg;
-    using Cthangover.Tools.Common;
-    using Cthangover.Tools.RpgTilesetEditor;
-    using Cthangover.Tools.Services;
-    using Godot;
-
-    /// <summary>Edits a temporary tileset through the real window and verifies the saved and published data.</summary>
-    public static class ToolWindowsAtlasExercise
-    {
-        private const string Mod = "test_defaults_and_patches";
-        private const string FileName = "tilesets/tools_split_atlas.json";
-        private const string TilesetId = "tools_split/atlas";
-        private const string Fixture = "{\"Kind\":\"rpg_tileset\",\"Items\":[{\"Id\":\"tools_split/atlas\",\"Image\":\"village/objects\",\"SurfaceImage\":\"village/surfaces\",\"SurfaceSize\":128,\"TileSize\":32,\"Columns\":12,\"Tiles\":[{\"Index\":100,\"AtlasIndex\":0}],\"VisualGroups\":[]}]}";
-
-        /// <summary>Selection, object anchors, collision, surfaces, undo/redo and Save use public controls only.</summary>
-        public static void Run(Window window, Action<bool, string> check)
-        {
-            var original = ModFileService.ReadText(Mod, FileName);
-            var filePath = ModFileService.GetWritablePath(Mod, FileName);
-            var folderExisted = Directory.Exists(Path.GetDirectoryName(filePath));
-            try
-            {
-                check(ModFileService.WriteText(Mod, FileName, Fixture), "atlas: temporary fixture is writable");
-                var selector = window.FindChildren("*", "", true, false).OfType<ModFileSelector>().Single();
-                selector.Refresh();
-                var mods = selector.GetChildren().OfType<OptionButton>().First();
-                var at = Enumerable.Range(0, mods.ItemCount).First(i => mods.GetItemText(i) == Mod);
-                mods.Select(at);
-                mods.EmitSignal(OptionButton.SignalName.ItemSelected, (long)at);
-                check(selector.CurrentMod == Mod && selector.CurrentPath == FileName, "atlas: selected the test file");
-                var view = window.FindChildren("*", "", true, false).OfType<RpgTilesetAtlasView>().Single();
-                check(view.GridSize.X > 1, "atlas: image loaded");
-                view.Select(new Rect2I(0, 0, 2, 1));
-                Press(window, "tools/rpg_tileset_editor/make_tiles");
-                var solid = window.FindChildren("*", "", true, false).OfType<CheckBox>().First();
-                solid.ButtonPressed = true;
-                Press(window, "tools/rpg_tileset_editor/make_object");
-                var anchors = window.FindChildren("*", "", true, false).OfType<SpinBox>().ToArray();
-                anchors[0].Value = 1.25;
-                anchors[1].Value = 1.5;
-                Press(window, "tools/rpg_tileset_editor/undo");
-                check(anchors[1].Value == 1, "atlas: undo restores the object anchor");
-                Press(window, "tools/rpg_tileset_editor/redo");
-                check(anchors[1].Value == 1.5, "atlas: redo restores the edited anchor");
-                var tabs = window.FindChildren("*", "", true, false).OfType<TabContainer>().Single();
-                tabs.CurrentTab = 1;
-                Press(window, "tools/rpg_tileset_editor/add_surface");
-                Press(window, "tools/common/save");
-                var saved = RpgTilesetDocument.Load(ModFileService.ReadText(Mod, FileName));
-                check(saved.Tileset.VisualGroups.Count == 1 && saved.Tileset.VisualGroups[0].Pattern.Length == 2, "atlas: object and logical tile ids saved");
-                check(saved.Tileset.VisualGroups[0].AnchorX == 1.25 && saved.Tileset.VisualGroups[0].AnchorY == 1.5, "atlas: anchors saved");
-                check(saved.Tileset.TileOf(100).Solid, "atlas: collision saved");
-                check(saved.Tileset.Tiles.Any(t => t.Surface == 0), "atlas: surface saved");
-                var published = RpgTilesetFactory.Instance.Get(TilesetId);
-                check(published.VisualGroups.Count == 1 && published.VisualGroups[0].AnchorY == 1.5, "atlas: runtime cache sees saved changes");
-            }
-            finally
-            {
-                if (original != null)
-                    ModFileService.WriteText(Mod, FileName, original);
-                else if (File.Exists(filePath))
-                    File.Delete(filePath);
-                var folder = Path.GetDirectoryName(filePath);
-                if (!folderExisted && Directory.Exists(folder) && !Directory.EnumerateFileSystemEntries(folder).Any())
-                    Directory.Delete(folder);
-            }
-        }
-
-        private static void Press(Window window, string key)
-            => window.FindChildren("*", "", true, false).OfType<Button>().First(b => b.Text == TranslationServer.Translate(key)).EmitSignal(BaseButton.SignalName.Pressed);
-    }
-}
diff --git a/test_suites/windows/src/ToolWindowsExercises.cs b/test_suites/windows/src/ToolWindowsExercises.cs
index 8c7b660..54ac028 100644
--- a/test_suites/windows/src/ToolWindowsExercises.cs
+++ b/test_suites/windows/src/ToolWindowsExercises.cs
@@ -1,18 +1,20 @@
-using System;
-using System.IO;
-using System.Linq;
-using Cthangover.Core.Scenes;
-using Cthangover.Core.UI.Tool.LightEditor;
-using Cthangover.Core.UI.Tool.ScenarioEditor;
-using Cthangover.Tools.InteractiveEditor;
-using Cthangover.Tools.Common;
-using Cthangover.Tools.MapEditor;
-using Cthangover.Tools.SceneEditor;
-using Cthangover.Tools.Services;
-using Godot;
-
 namespace Cthangover.Tools.Tests.Windows
 {
+    using System;
+    using System.IO;
+    using System.Linq;
+    using Cthangover.Core.Scenes;
+    using Cthangover.Core.UI.Tool.LightEditor;
+    using Cthangover.Core.UI.Tool.ScenarioEditor;
+    using Cthangover.Tools.InteractiveEditor;
+    using Cthangover.Tools.Common;
+    using Cthangover.Mods.Rpg.Model;
+    using Cthangover.Tools.MapEditor;
+    using Cthangover.Tools.RpgEditor;
+    using Cthangover.Tools.SceneEditor;
+    using Cthangover.Tools.Services;
+    using Godot;
+
     /// <summary>
     /// Per-tool interaction checks run on an open window, through the same
     /// public surface the UI uses: canvas input is delivered by emitting the
@@ -32,8 +34,8 @@ namespace Cthangover.Tools.Tests.Windows
                 case "map_editor":
                     MapDrawing(window, check);
                     break;
-                case "rpg_tileset_editor":
-                    ToolWindowsAtlasExercise.Run(window, check);
+                case "rpg_map_editor":
+                    RpgMapCanvas(window, check);
                     break;
                 case "interactive_editor":
                     InteractivePolygon(window, check);
@@ -51,6 +53,29 @@ namespace Cthangover.Tools.Tests.Windows
             }
         }
 
+        /// <summary>
+        /// The RPG map editor (plan 12.4): its canvas draws the map in both projections, the palette lists the four shapes,
+        /// and switching the projection keeps the map. Nothing is saved.
+        /// </summary>
+        private static void RpgMapCanvas(Window window, Action<bool, string> check)
+        {
+            var editor = window as RpgEditorWindow;
+            check(editor?.Canvas != null, "rpg_map_editor: the map canvas is there");
+            // A game without RPG maps (cthangover) opens the window on its map selector: no document, nothing to draw.
+            // The map checks run only when a map is open (plan E0: editor_tools windows do not need an RPG map).
+            var hasMap = editor?.Document != null && editor.Canvas != null;
+            if (hasMap)
+                check(editor.Canvas.Scene != null, "rpg_map_editor: a map is open and drawn");
+            check(editor != null && editor.Palette.Count(RpgObjectForm.Surface) > 0 && editor.Palette.Count(RpgObjectForm.Sprite) > 0,
+                "rpg_map_editor: the palette lists surfaces and sprites");
+            if (!hasMap)
+                return;
+            editor.SetProjection(RpgEditorCanvas.Isometric);
+            check(editor.Canvas.Projection == RpgEditorCanvas.Isometric && editor.Canvas.Scene != null, "rpg_map_editor: the isometric projection draws the map");
+            editor.SetProjection(RpgEditorCanvas.TopDown);
+            check(editor.Canvas.Projection == RpgEditorCanvas.TopDown && editor.Canvas.Scene != null, "rpg_map_editor: the top-down projection draws the map again");
+        }
+
         /// <summary>Draws a triangle; the finishing double-click must not add a fourth vertex.</summary>
         private static void MapDrawing(Window window, Action<bool, string> check)
         {