diff --git a/mkxp.conf.sample b/mkxp.conf.sample
index 64ff7f6..e128755 100644
--- a/mkxp.conf.sample
+++ b/mkxp.conf.sample
@@ -256,6 +256,19 @@
 # SE.sourceCount=6
 
 
+# The Windows game executable name minus ".exe". By default
+# this is "Game", but some developers manually rename it.
+# mkxp needs this name because both the .ini (game
+# configuration) and .rgssad (encrypted data archive) must
+# carry the same name minus their extension, and we cannot
+# guess the executable's name.
+# You could just as well rename them both to "Game.ini" and
+# "Game.rgssad", but specifying the executable name here
+# is a tiny bit less intrusive.
+#
+# execName=Game
+
+
 # Give a hint on which language the game title as
 # specified in the Game.ini is, useful if the encoding
 # is being falsely detected. Relevant only if mkxp was
diff --git a/src/config.cpp b/src/config.cpp
index e2a249b..cbbbe99 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -167,6 +167,7 @@ void Config::read(int argc, char *argv[])
 	PO_DESC(dataPathOrg, std::string, "") \
 	PO_DESC(dataPathApp, std::string, "") \
 	PO_DESC(iconPath, std::string, "") \
+	PO_DESC(execName, std::string, "Game") \
 	PO_DESC(titleLanguage, std::string, "") \
 	PO_DESC(midi.soundFont, std::string, "") \
 	PO_DESC(midi.chorus, bool, false) \
@@ -286,7 +287,8 @@ void Config::readGameINI()
 	        ;
 
 	po::variables_map vm;
-	SDLRWStream iniFile("Game.ini", "r");
+	std::string iniFilename = execName + ".ini";
+	SDLRWStream iniFile(iniFilename.c_str(), "r");
 
 	if (iniFile)
 	{
@@ -297,12 +299,12 @@ void Config::readGameINI()
 		}
 		catch (po::error &error)
 		{
-			Debug() << "Game.ini:" << error.what();
+			Debug() << iniFilename + ":" << error.what();
 		}
 	}
 	else
 	{
-		Debug() << "FAILED to open Game.ini";
+		Debug() << "FAILED to open" << iniFilename;
 	}
 
 	GUARD_ALL( game.title = vm["Game.Title"].as<std::string>(); );
diff --git a/src/config.h b/src/config.h
index 9117fc0..eeaf46b 100644
--- a/src/config.h
+++ b/src/config.h
@@ -102,6 +102,7 @@ struct Config
 	std::string dataPathApp;
 
 	std::string iconPath;
+	std::string execName;
 	std::string titleLanguage;
 
 	struct
diff --git a/src/sharedstate.cpp b/src/sharedstate.cpp
index b7a2c27..023ff6b 100644
--- a/src/sharedstate.cpp
+++ b/src/sharedstate.cpp
@@ -46,14 +46,14 @@ SharedState *SharedState::instance = 0;
 int SharedState::rgssVersion = 0;
 static GlobalIBO *_globalIBO = 0;
 
-static const char *defGameArchive()
+static const char *gameArchExt()
 {
 	if (rgssVer == 1)
-		return "Game.rgssad";
+		return ".rgssad";
 	else if (rgssVer == 2)
-		return "Game.rgss2a";
+		return ".rgss2a";
 	else if (rgssVer == 3)
-		return "Game.rgss3a";
+		return ".rgss3a";
 
 	assert(!"unreachable");
 	return 0;
@@ -116,8 +116,7 @@ struct SharedStatePrivate
 		if (gl.ReleaseShaderCompiler)
 			gl.ReleaseShaderCompiler();
 
-		// FIXME find out correct archive filename
-		std::string archPath = defGameArchive();
+		std::string archPath = config.execName + gameArchExt();
 
 		/* Check if a game archive exists */
 		FILE *tmp = fopen(archPath.c_str(), "rb");