diff --git a/binding/binding-mri.cpp b/binding/binding-mri.cpp
index 39d62d2..0aa1c54 100644
--- a/binding/binding-mri.cpp
+++ b/binding/binding-mri.cpp
@@ -779,9 +779,54 @@ static bool processReset(bool rubyExc) {
 	return 0;
 }
 
+#if RAPI_FULL > 187
+static VALUE newStringUTF8(const char *string, long length) {
+    return rb_enc_str_new(string, length, rb_utf8_encoding());
+}
+#else
+#define newStringUTF8 rb_str_new
+#endif
+
+struct evalArg {
+    VALUE string;
+    VALUE filename;
+};
+
+static VALUE evalHelper(evalArg *arg) {
+    VALUE argv[] = {arg->string, Qnil, arg->filename};
+    return rb_funcall2(Qnil, rb_intern("eval"), ARRAY_SIZE(argv), argv);
+}
+
+static VALUE evalString(VALUE string, VALUE filename, int *state) {
+    evalArg arg = {string, filename};
+    return rb_protect((VALUE(*)(VALUE))evalHelper, (VALUE)&arg, state);
+}
+
+static void runCustomScript(const std::string &filename) {
+    std::string scriptData;
+    
+    if (!readFileSDL(filename.c_str(), scriptData)) {
+        showMsg(std::string("Unable to open '") + filename + "'");
+        return;
+    }
+    
+    evalString(newStringUTF8(scriptData.c_str(), scriptData.size()),
+               newStringUTF8(filename.c_str(), filename.size()), NULL);
+}
+
 RB_METHOD_GUARD(mriRgssMain) {
     RB_UNUSED_PARAM;
-    
+
+    /* Execute postload scripts */
+    const Config &conf = shState->rtData().config;
+    for (std::vector<std::string>::const_iterator i = conf.postloadScripts.begin();
+        i != conf.postloadScripts.end(); ++i)
+    {
+        if (shState->rtData().rqTerm)
+            break;
+        runCustomScript(*i);
+    }
+
     while (true) {
         VALUE exc = Qnil;
 #if RAPI_FULL < 270
@@ -848,41 +893,6 @@ RB_METHOD(_kernelCaller) {
     return trace;
 }
 
-#if RAPI_FULL > 187
-static VALUE newStringUTF8(const char *string, long length) {
-    return rb_enc_str_new(string, length, rb_utf8_encoding());
-}
-#else
-#define newStringUTF8 rb_str_new
-#endif
-
-struct evalArg {
-    VALUE string;
-    VALUE filename;
-};
-
-static VALUE evalHelper(evalArg *arg) {
-    VALUE argv[] = {arg->string, Qnil, arg->filename};
-    return rb_funcall2(Qnil, rb_intern("eval"), ARRAY_SIZE(argv), argv);
-}
-
-static VALUE evalString(VALUE string, VALUE filename, int *state) {
-    evalArg arg = {string, filename};
-    return rb_protect((VALUE(*)(VALUE))evalHelper, (VALUE)&arg, state);
-}
-
-static void runCustomScript(const std::string &filename) {
-    std::string scriptData;
-    
-    if (!readFileSDL(filename.c_str(), scriptData)) {
-        showMsg(std::string("Unable to open '") + filename + "'");
-        return;
-    }
-    
-    evalString(newStringUTF8(scriptData.c_str(), scriptData.size()),
-               newStringUTF8(filename.c_str(), filename.size()), NULL);
-}
-
 VALUE kernelLoadDataInt(const char *filename, bool rubyExc, bool raw);
 
 struct BacktraceData {
diff --git a/mkxp.json b/mkxp.json
index 3430db8..91c31c3 100644
--- a/mkxp.json
+++ b/mkxp.json
@@ -368,6 +368,15 @@
     // ],
 
 
+    // Define raw scripts to be executed before the 
+    // rgss_main execution starts for RGSS 3.
+    // (default: none)
+    //
+    // "postloadScript": [
+    //     "/path/to/script.rb",
+    // ],
+
+
     // Index all accesible assets via their lower case path
     // (emulates windows case insensitivity)
     // (default: enabled)
diff --git a/src/config.cpp b/src/config.cpp
index 6d89d8e..cdd7a29 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -187,6 +187,7 @@ void Config::read(int argc, char *argv[]) {
         {"pathCache", true},
         {"useScriptNames", true},
         {"preloadScript", json::array({})},
+        {"postloadScript", json::array({})},
         {"RTP", json::array({})},
         {"patches", json::array({})},
         {"fontSub", json::array({})},
@@ -316,6 +317,7 @@ try { exp } catch (...) {}
     SET_OPT(dumpAtlas, boolean);
     
     fillStringVec(opts["preloadScript"], preloadScripts);
+    fillStringVec(opts["postloadScript"], postloadScripts);
     fillStringVec(opts["RTP"], rtps);
     fillStringVec(opts["patches"], patches);
     fillStringVec(opts["fontSub"], fontSubs);
diff --git a/src/config.h b/src/config.h
index 7460577..b3e0cae 100644
--- a/src/config.h
+++ b/src/config.h
@@ -113,6 +113,7 @@ struct Config {
     
     std::vector<std::string> launchArgs;
     std::vector<std::string> preloadScripts;
+    std::vector<std::string> postloadScripts;
     std::vector<std::string> rtps;
     std::vector<std::string> patches;