diff --git a/Console/RedPlanet/Apps.xml b/Console/RedPlanet/Apps.xml
index 1a0e419..96c1803 100644
--- a/Console/RedPlanet/Apps.xml
+++ b/Console/RedPlanet/Apps.xml
@@ -121,6 +121,27 @@
             hostType="None" />
   </Product>
 
+  <!-- Descent 3 (open-source engine + site-owned GOG assets; C:\VWE\Descent3
+       repo, venue\pack-dist.ps1 builds the package). Pod input arrives through
+       the RIOJoy "Descent 3" profile (RioGamepad HID), merged by the package's
+       postinstall. No {res} token: D3 takes -width/-height, not " -res W H" -
+       resolution is pinned to the pod main screen. Single process, no
+       supervisor; kill = terminate Descent3.exe. The args boot straight into
+       the campaign's first level (phase-0 free flight); when the D3_VENUE
+       Munga build lands, args change to "-venue -nointro{res} -framecap 60"
+       and LC/MR role entries get added (keys ...971/...972 reserved). -->
+  <Product id="B7E6D3A0-52C4-4F19-9A8E-6D40C1F2A970"
+           name="Descent 3"
+           menuText="Descent 3..."
+           hostTypeDialog="false">
+    <Launch key="B7E6D3A0-52C4-4F19-9A8E-6D40C1F2A970"
+            displayName="Descent 3"
+            exe="C:\Games\Descent3\Descent3.exe"
+            args="-pilot pod -nointro -nooutragelogo -fullscreen -width 800 -height 600 -framecap 60 -mission d3 -loadlevel 1"
+            autoRestart="true"
+            hostType="None" />
+  </Product>
+
   <!-- TeslaRel410 - the DOSBox-X preservation pods (C:\VWE\TeslaRel410 repo).
        The package (emulator\dist\TeslaPod410.zip, built by deploy\package.ps1)
        extracts to C:\Games (postinstall.bat + TeslaPod410\); pod-launch.exe is
diff --git a/Console/tests/TeslaConsole.DiffTests/CatalogTests.cs b/Console/tests/TeslaConsole.DiffTests/CatalogTests.cs
index ec6108f..3224254 100644
--- a/Console/tests/TeslaConsole.DiffTests/CatalogTests.cs
+++ b/Console/tests/TeslaConsole.DiffTests/CatalogTests.cs
@@ -25,8 +25,8 @@ namespace TeslaConsole.DiffTests
             => _fx.Recovered.Run("CatalogEntry", new[] { _catalog, launchKey, w, h });
 
         [Fact]
-        public void Catalog_Has_Five_Products_And_Fourteen_Entries()
-            => Assert.Equal("products=5;entries=14",
+        public void Catalog_Has_Six_Products_And_Fifteen_Entries()
+            => Assert.Equal("products=6;entries=15",
                 _fx.Recovered.Run("CatalogSummary", new[] { _catalog }));
 
         [Fact]
@@ -101,6 +101,22 @@ namespace TeslaConsole.DiffTests
                 @"BattleTech 4.11 MR|f4c957fd-72f7-4c5f-8971-28095007e8d1|C:\Games\BT411\btl4.exe|-net 1501 -mr|C:\Games\BT411|True",
                 Entry("F4C957FD-72F7-4C5F-8971-28095007E8D1"));
 
+        // Descent 3 — open-source engine + site GOG assets (C:\VWE\Descent3 repo,
+        // venue\pack-dist.ps1 package). Single GameClient entry, resolution pinned
+        // in args ({res} absent — D3 takes -width/-height, not " -res W H").
+
+        [Fact]
+        public void Descent3_Matches_Expected()
+            => Assert.Equal(
+                @"Descent 3|b7e6d3a0-52c4-4f19-9a8e-6d40c1f2a970|C:\Games\Descent3\Descent3.exe|-pilot pod -nointro -nooutragelogo -fullscreen -width 800 -height 600 -framecap 60 -mission d3 -loadlevel 1|C:\Games\Descent3|True",
+                Entry("B7E6D3A0-52C4-4F19-9A8E-6D40C1F2A970"));
+
+        [Fact]
+        public void Descent3_Resolution_Choice_Has_No_Effect()
+            => Assert.Equal(
+                @"Descent 3|b7e6d3a0-52c4-4f19-9a8e-6d40c1f2a970|C:\Games\Descent3\Descent3.exe|-pilot pod -nointro -nooutragelogo -fullscreen -width 800 -height 600 -framecap 60 -mission d3 -loadlevel 1|C:\Games\Descent3|True",
+                Entry("B7E6D3A0-52C4-4F19-9A8E-6D40C1F2A970", "1024", "768"));
+
         // TeslaRel410 — the DOSBox-X preservation pods. All six entries launch
         // pod-launch.exe; the mode arg ("bt"/"rp") selects the game, LC/MR boot
         // identically (the console assigns the role via the egg hostType), and