diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 25505014..2435617b 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -157,6 +157,7 @@
     <Compile Include="RPM\ArcZENOS.cs" />
     <Compile Include="rUGP\AudioRHA.cs" />
     <Compile Include="Lilim\ArcFGA.cs" />
+    <Compile Include="ScenePlayer\ArcPMA.cs" />
     <Compile Include="ScenePlayer\ArcPMX.cs" />
     <Compile Include="Scoop\ArcGX.cs" />
     <Compile Include="Seraphim\ArcSCN.cs" />
@@ -415,6 +416,7 @@
     <Compile Include="Softpal\ImagePIC.cs" />
     <Compile Include="StudioEgo\ArcPAK0.cs" />
     <Compile Include="StudioEgo\ImageANT.cs" />
+    <Compile Include="Succubus\ArcARC.cs" />
     <Compile Include="SuperNekoX\ArcGPC.cs" />
     <Compile Include="SysD\ArcDPK.cs" />
     <Compile Include="SysD\AudioDWV.cs" />
@@ -568,6 +570,7 @@
     <Compile Include="Ucom\ImageGPC.cs" />
     <Compile Include="uGOS\ArcDET.cs" />
     <Compile Include="uGOS\ImageBMP.cs" />
+    <Compile Include="AdvSys\ArcGR2.cs" />
     <Compile Include="UMeSoft\ArcPK.cs" />
     <Compile Include="Qlie\ArcQLIE.cs" />
     <Compile Include="RenPy\ArcRPA.cs" />
diff --git a/ArcFormats/Succubus/ArcARC.cs b/ArcFormats/Succubus/ArcARC.cs
new file mode 100644
index 00000000..fe72962d
--- /dev/null
+++ b/ArcFormats/Succubus/ArcARC.cs
@@ -0,0 +1,71 @@
+//! \file       ArcARC.cs
+//! \date       2017 Dec 25
+//! \brief      Succubus resource archive.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Succubus
+{
+    [Export(typeof(ArchiveFormat))]
+    public class ArcOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "ARC/ARC1"; } }
+        public override string Description { get { return "Succubus resource archive"; } }
+        public override uint     Signature { get { return 0x31435241; } } // 'ARC1'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (4);
+            if (!IsSaneCount (count))
+                return null;
+            uint index_offset = file.View.ReadUInt32 (8);
+            if (index_offset < 0x10)
+                return null;
+            bool is_voice = Path.GetFileNameWithoutExtension (file.Name).Equals ("voice", StringComparison.InvariantCultureIgnoreCase);
+
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                if (index_offset >= file.MaxOffset)
+                    return null;
+                var name = file.View.ReadString (index_offset, 0x10);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0x10);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0x14);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                if (string.IsNullOrEmpty (entry.Type) && is_voice)
+                    entry.Type = "audio";
+                dir.Add (entry);
+                index_offset += 0x18;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}