diff --git a/OpenRa.Game/Controller.cs b/OpenRa.Game/Controller.cs
index d4e7573333..02c76f156e 100644
--- a/OpenRa.Game/Controller.cs
+++ b/OpenRa.Game/Controller.cs
@@ -58,8 +58,11 @@ namespace OpenRa.Game
             }
 
             if (mi.Button == MouseButtons.Right && mi.Event == MouseInputEvent.Down)
-                if (orderGenerator != null)
-                    orderGenerator.Order(game, new int2((int)xy.X, (int)xy.Y)).Apply(game);
+				if (orderGenerator != null)
+				{
+					var order = orderGenerator.Order(game, new int2((int)xy.X, (int)xy.Y));
+					if (order != null) order.Apply(game);
+				}
 		}
 
         public Unit FindUnit(float2 a, float2 b)
diff --git a/OpenRa.Game/Graphics/Sequence.cs b/OpenRa.Game/Graphics/Sequence.cs
index c9fe749d10..ecce1b57b5 100644
--- a/OpenRa.Game/Graphics/Sequence.cs
+++ b/OpenRa.Game/Graphics/Sequence.cs
@@ -32,7 +32,7 @@ namespace OpenRa.Game.Graphics
 
 		public Sprite GetSprite(int frame)
 		{
-			return UnitSheetBuilder.sprites[frame + start];
+			return UnitSheetBuilder.sprites[ ( frame % length ) + start ];
 		}
 	}
 }
diff --git a/OpenRa.Game/MainWindow.cs b/OpenRa.Game/MainWindow.cs
index 5463fb671a..b283c771f9 100644
--- a/OpenRa.Game/MainWindow.cs
+++ b/OpenRa.Game/MainWindow.cs
@@ -38,24 +38,20 @@ namespace OpenRa.Game
 
 			bool windowed = !settings.GetValue("fullscreen", false);
 			renderer = new Renderer(this, GetResolution(settings), windowed);
-			SheetBuilder.Initialize( renderer );
+			SheetBuilder.Initialize(renderer);
 
-			game = new Game( settings.GetValue( "map", "scm12ea.ini" ), renderer, new int2( ClientSize ) );
+			game = new Game(settings.GetValue("map", "scg11eb.ini"), renderer, new int2(ClientSize));
 
 			SequenceProvider.ForcePrecache();
 
-			Unit controlled;
-
-			game.world.Add( new Unit( "mcv", new int2( 5, 5 ), game.players[ 3 ], game ) );
-			game.world.Add( new Unit( "mcv", new int2( 7, 5 ), game.players[ 2 ], game ) );
-		
-            game.world.Add(controlled = new Unit("mcv", new int2(9, 5), game.players[1], game));
-
-			game.controller.orderGenerator = controlled;
+			game.world.Add(new Unit("mcv", new int2(5, 5), game.players[3], game));
+			game.world.Add(new Unit("mcv", new int2(7, 5), game.players[2], game));
+			game.world.Add(new Unit("mcv", new int2(9, 5), game.players[1], game));
+			game.world.Add(new TurretedUnit("jeep", new int2(9, 7), game.players[1], game));
 
 			sidebar = new Sidebar(Race.Soviet, renderer, game);
 
-			renderer.SetPalette( new HardwarePalette( renderer, game.map ) );
+			renderer.SetPalette(new HardwarePalette(renderer, game.map));
 		}
 
 		internal void Run()
diff --git a/sequences.xml b/sequences.xml
index 4068d697f3..0564c14b4c 100644
--- a/sequences.xml
+++ b/sequences.xml
@@ -13,7 +13,7 @@
 		
 		also, <sequence length="*"> creates a sequence that includes all frames
 		after `start`.
-		
+		 
 		one day, we might support inheritance here too.
 		
 		standard sequence names:
@@ -108,6 +108,14 @@
     <sequence name="damaged-idle_top" start="4" length="1" src="weap2" />
 	</unit>
 
+	<!-- allied gun turret -->
+
+	<unit name="gun">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="damaged-idle" start="1" length="32"/>
+		<sequence name="make" start="0" length="*" src="gunmake" />
+	</unit>
+
 	<!-- mcv -->
 	
 	<unit name="mcv">
@@ -132,14 +140,50 @@
 		<sequence name="harvest5" start="72" length="8"/>
 		<sequence name="harvest6" start="80" length="8"/>
 		<sequence name="harvest7" start="88" length="8"/>
+		<sequence name="empty" start="96" length="15"/>
 	</unit>
+	
+	<!-- light tank -->
 	
+	<unit name="1tnk">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="turret" start="32" length="32"/>
+	</unit>
+
+	<!-- medium tank -->
+	
+	<unit name="2tnk">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="turret" start="32" length="32"/>
+	</unit>
+
 	<!-- heavy tank -->
 	
 	<unit name="3tnk">
 		<sequence name="idle" start="0" length="32"/>
 		<sequence name="turret" start="32" length="32"/>
 	</unit>
+
+	<!-- mammoth tank -->
+	
+	<unit name="4tnk">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="turret" start="32" length="32"/>
+	</unit>
+
+	<!-- v2 rocket launcher -->
+	
+	<unit name="v2rl">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="reloading" start="32" length="32"/>
+		<sequence name="aiming" start="64" length="16"/>
+	</unit>
+
+	<!-- artillery -->
+	
+	<unit name="arty">
+		<sequence name="idle" start="0" length="32"/>
+	</unit>
 
 	<!-- jeep -->
 	
@@ -148,6 +192,33 @@
 		<sequence name="turret" start="32" length="32"/>
 	</unit>
 
+	<!-- apc -->
+	
+	<unit name="apc">
+		<sequence name="idle" start="0" length="32"/>
+	</unit>
+
+	<!-- mine layer -->
+	
+	<unit name="mnly">
+		<sequence name="idle" start="0" length="32"/>
+		<!-- and 16 "lay mine" sprites, not used in real-ra -->
+	</unit>
+
+	<!-- radar jammer -->
+	
+	<unit name="mrj">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="turret" start="32" length="32"/>
+	</unit>
+
+	<!-- mobile gap generator -->
+	
+	<unit name="mgg">
+		<sequence name="idle" start="0" length="32"/>
+		<sequence name="turret" start="32" length="8"/>
+	</unit>
+
 	<!-- build clock - hacked in -->
 	
 	<unit name="clock">