diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 00000000..0705049e
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1,3 @@
+libpandadna/
+built/
+*.pdb
diff --git a/build/base.dg b/build/base.dg
new file mode 100644
index 00000000..8157b37c
Binary files /dev/null and b/build/base.dg differ
diff --git a/build/data/NiraiStart.py b/build/data/NiraiStart.py
new file mode 100644
index 00000000..b8d89099
--- /dev/null
+++ b/build/data/NiraiStart.py
@@ -0,0 +1,76 @@
+from panda3d.core import *
+import __builtin__, os
+import rc4
+
+import niraidata
+
+# Config
+prc = niraidata.CONFIG
+key, prc = prc[:32], prc[32:]
+rc4.rc4_setkey(key)
+prc = rc4.rc4(prc)
+
+for line in prc.split('\n'):
+    line = line.strip()
+    if line:
+        loadPrcFileData('nirai config', line)
+    
+del prc
+    
+# DC
+__builtin__.dcStream = StringStream()
+
+dc = niraidata.DC
+key, dc = dc[:32], dc[32:]
+rc4.rc4_setkey(key)
+dc = rc4.rc4(dc)
+
+dcStream.setData(dc)
+del dc
+rc4.rc4_setkey('\0\0\0\0')
+
+# Resources
+# TO DO: sign and verify the phases to prevent edition
+
+vfs = VirtualFileSystem.getGlobalPtr()
+mfs = (3, 3.5, 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13)
+abort = False
+
+for mf in mfs:
+    filename = 'resources/default/phase_%s.mf' % mf
+    if not os.path.isfile(filename):
+        print 'Phase %s not found' % filename 
+        abort = True
+        break
+        
+    mf = Multifile()
+    mf.openRead(filename)
+        
+    if not vfs.mount(mf, '../resources', 0):
+        print 'Unable to mount %s' % filename
+        abort = True
+        break
+            
+# Packs
+pack = os.environ.get('TT_STRIDE_CONTENT_PACK')
+if pack and pack != 'default':
+    print 'Loading content pack', pack
+    for file in glob.glob('resources/%s/*.mf' % pack):
+        mf = Multifile()
+        mf.openReadWrite(Filename(file))
+        names = mf.getSubfileNames()
+        for name in names:
+            ext = os.path.splitext(name)[1]
+            if ext not in ('.jpg', '.jpeg', '.ogg', '.rgb'):
+                mf.removeSubfile(name)
+                
+        mf.flush()
+            
+        if not vfs.mount(mf, '../resources', 0):
+            print 'Unable to mount %s' % filename
+            abort = True
+            break
+  
+if not abort:
+    # Run
+    import toontown.toonbase.ClientStart
diff --git a/build/make.py b/build/make.py
new file mode 100644
index 00000000..92291b53
--- /dev/null
+++ b/build/make.py
@@ -0,0 +1,199 @@
+from panda3d.core import *
+
+import argparse, marshal, struct
+import glob, sys, os
+import rc4
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--compile-cxx', '-c', action='store_true',
+                    help='Compile the CXX codes and generate Nirai.exe into built.')
+parser.add_argument('--make-nri', '-n', action='store_true',
+                    help='Generate stride NRI.')
+args = parser.parse_args()
+
+# BEGIN (STRIPPED AND MODIFIED) COPY FROM niraitools.py 
+class NiraiPackager:
+    HEADER = 'NRI\n'
+    
+    def __init__(self, outfile):
+        self.modules = {}
+        self.outfile = outfile
+        
+    def __read_file(self, filename, mangler=None):
+        with open(filename, 'rb') as f:
+            data = f.read()
+            
+        base = filename.rsplit('.', 1)[0].replace('\\', '/').replace('/', '.')
+        pkg = base.endswith('.__init__')
+        moduleName = base.rsplit('.', 1)[0] if pkg else base
+            
+        name = moduleName
+        if mangler is not None:
+            name = mangler(name)
+            
+        if not name:
+            return '', ('', 0)
+         
+        try:
+            data = self.compile_module(name, data)
+            
+        except:
+            print 'WARNING: Failed to compile', filename
+            return '', ('', 0)
+            
+        size = len(data) * (-1 if pkg else 1)
+        return name, (data, size)
+        
+    def compile_module(self, name, data):
+        return marshal.dumps(compile(data, name, 'exec'))
+        
+    def add_module(self, moduleName, data, size=None, compile=False):
+        if compile:
+            data = self.compile_module(moduleName, data)
+            
+        if size is None:
+            size = len(data)
+            
+        self.modules[moduleName] = (data, size)
+        
+    def add_file(self, filename, mangler=None):
+        print 'Adding file', filename
+        moduleName, (data, size) = self.__read_file(filename, mangler)
+        if moduleName:
+            moduleName = os.path.basename(filename).rsplit('.', 1)[0]
+            self.add_module(moduleName, data, size)
+    
+    def add_directory(self, dir, mangler=None):
+        print 'Adding directory', dir
+        
+        def _recurse_dir(dir):
+            for f in os.listdir(dir):
+                f = os.path.join(dir, f)
+        
+                if os.path.isdir(f):
+                    _recurse_dir(f)
+            
+                elif f.endswith('py'):
+                    moduleName, (data, size) = self.__read_file(f, mangler)
+                    if moduleName:
+                        self.add_module(moduleName, data, size)
+                    
+        _recurse_dir(dir)
+        
+    def get_mangle_base(self, *path):
+        return len(os.path.join(*path).rsplit('.', 1)[0].replace('\\', '/').replace('/', '.')) + 1
+
+    def write_out(self):
+        f = open(self.outfile, 'wb')
+        f.write(self.HEADER)
+        f.write(self.process_modules())
+        f.close()
+        
+    def generate_key(self, size=256):
+        return os.urandom(size)
+        
+    def dump_key(self, key):
+        for k in key:
+            print ord(k),
+        
+        print
+        
+    def process_modules(self):
+        # Pure virtual
+        raise NotImplementedError('process_datagram')
+        
+    def get_file_contents(self, filename, keysize=0):
+        with open(filename, 'rb') as f:
+            data = f.read()
+            
+        if keysize:
+            key = self.generate_key(keysize)
+            rc4.rc4_setkey(key)
+            data = key + rc4.rc4(data)
+            
+        return data
+# END COPY FROM niraitools.py 
+
+class StridePackager(NiraiPackager):
+    HEADER = 'STRIDETT'
+    BASEDIR = '..' + os.sep
+    
+    def __init__(self, outfile):
+        NiraiPackager.__init__(self, outfile)
+        self.__manglebase = self.get_mangle_base(self.BASEDIR)
+        
+    def add_source_dir(self, dir):
+        self.add_directory(self.BASEDIR + dir, mangler=self.__mangler)
+        
+    def add_data_file(self, file):
+        mb = self.get_mangle_base('data/')
+        self.add_file('data/%s.py' % file, mangler=lambda x: x[mb:])
+        
+    def __mangler(self, name):         
+        if name.endswith('AI') or name.endswith('UD') or name in ('ToontownAIRepository', 'ToontownUberRepository',
+                                                                  'ToontownInternalRepository'):
+            if not 'NonRepeatableRandomSource' in name:
+                return ''
+
+        return name[self.__manglebase:].strip('.')
+        
+    def generate_niraidata(self):
+        print 'Generating niraidata'
+        
+        config = self.get_file_contents('../dependencies/config/release/en.prc')
+        config += '\n\n' + self.get_file_contents('../dependencies/config/general.prc')
+        key = self.generate_key(128)
+        rc4.rc4_setkey(key)
+        config = key + rc4.rc4(config)
+        
+        niraidata = 'CONFIG = %r' % config
+        niraidata += '\nDC = %r' % self.get_file_contents('../dependencies/astron/dclass/stride.dc', 128)
+        self.add_module('niraidata', niraidata, compile=True)
+        
+    def process_modules(self):
+        with open('base.dg', 'rb') as f:
+            basesize, = struct.unpack('<I', f.read(4))
+            data = f.read()
+            
+        dg = Datagram()
+        dg.addUint32(len(self.modules) + basesize)
+        dg.appendData(data)
+    
+        for moduleName in self.modules:
+            data, size = self.modules[moduleName]
+        
+            dg.addString(moduleName)
+            dg.addInt32(size)
+            dg.appendData(data)
+            
+        data = dg.getMessage()
+        compressed = compressString(data, 9)
+        key = self.generate_key(100)
+        fixed = ''.join(chr((i ^ (5 * i + 7)) % ((i + 6) * 10)) for i in xrange(28))
+        rc4.rc4_setkey(key + fixed)
+        data = rc4.rc4(compressed)        
+        return key + data
+        
+# 1. Make the NRI
+if args.make_nri:
+    pkg = StridePackager('built/stride.dist')
+    
+    pkg.add_source_dir('otp')
+    pkg.add_source_dir('toontown')
+
+    pkg.add_data_file('NiraiStart')
+    
+    pkg.generate_niraidata()
+    pkg.write_out()
+        
+# 2. Compile CXX stuff
+if args.compile_cxx:
+    sys.path.append('../../../N2')
+    from niraitools import NiraiCompiler
+    
+    compiler = NiraiCompiler('stride.exe', r'"C:\\Users\\Usuario\\workspace\\nirai-panda3d\\thirdparty\\win-libs-vc10"',
+                             libs=set(glob.glob('libpandadna/libpandadna.dir/Release/*.obj')))
+    compiler.add_nirai_files()
+    compiler.add_source('src/stride.cxx')
+    
+    compiler.run()
diff --git a/build/rc4.pyd b/build/rc4.pyd
new file mode 100644
index 00000000..e4a2914a
Binary files /dev/null and b/build/rc4.pyd differ
diff --git a/build/src/stride.cxx b/build/src/stride.cxx
new file mode 100644
index 00000000..ab2b9eda
--- /dev/null
+++ b/build/src/stride.cxx
@@ -0,0 +1,113 @@
+#include "nirai.h"
+#include <datagram.h>
+#include <datagramIterator.h>
+#include <compress_string.h>
+
+string rc4(const char* data, const char* key, int ds, int ks);
+
+extern "C" __declspec(dllexport) void initlibpandadna();
+void init_libpandadna();
+
+const char* header = "STRIDETT";
+const int header_size = 8;
+
+const int keysize = 100;
+const int fixedsize = 28;
+
+int niraicall_onPreStart(int argc, char* argv[])
+{
+    return 0;
+}
+   
+int niraicall_onLoadGameData()
+{
+    fstream gd;
+	
+    // Open the file
+    gd.open("stride.dist", ios_base::in | ios_base::binary);
+	if (!gd.is_open())
+    {
+        std::cerr << "unable to open game file" << std::endl;
+		return 1;
+    }
+
+    // Check the header
+	char* read_header = new char[header_size];
+	gd.read(read_header, header_size);
+    
+    if (memcmp(header, read_header, header_size))
+    {
+        std::cerr << "invalid header" << std::endl;
+        return 1;
+    }
+  
+    delete[] read_header;
+
+    // Extract the key
+    char* key = new char[keysize + fixedsize];
+    char* fixed = new char[keysize];
+    
+    for (int i = 0; i < fixedsize; ++i)
+        fixed[i] = (i ^ (5 * i + 7)) % ((i + 6) * 10);
+    
+    gd.read(key, keysize);
+    memcpy(&key[keysize], fixed, fixedsize);
+
+    std::stringstream ss;
+    ss << gd.rdbuf();
+    gd.close();
+    
+    // Decrypt
+    std::string rawdata = ss.str();
+    std::string decrypted_data = rc4(rawdata.c_str(), key, rawdata.size(),
+                                     keysize + fixedsize);
+    delete[] key;
+    delete[] fixed;
+    
+    // Decompress and read
+    std::string decompressed = decompress_string(decrypted_data);
+    
+    Datagram dg(decompressed);
+    DatagramIterator dgi(dg);
+
+    unsigned int num_modules = dgi.get_uint32();
+    _frozen* fzns = new _frozen[num_modules + 1];
+    std::string module, data;
+    int size;
+
+    for (unsigned int i = 0; i < num_modules; ++i)
+    {
+        module = dgi.get_string();
+        size = dgi.get_int32();
+        data = dgi.extract_bytes(abs(size));
+                
+        char* name = new char[module.size() + 1];
+        memcpy(name, module.c_str(), module.size());
+        memset(&name[module.size()], 0, 1);
+        
+        unsigned char* code = new unsigned char[data.size()];
+        memcpy(code, data.c_str(), data.size());
+        
+        _frozen fz;
+		fz.name = name;
+		fz.code = code;
+		fz.size = size;
+        
+        memcpy(&fzns[i], &fz, sizeof(_frozen));
+    }
+    
+    nassertd(dgi.get_remaining_size() == 0)
+    {
+        std::cerr << "corrupted data" << std::endl;
+        return 1;
+    }
+    
+    memset(&fzns[num_modules], 0, sizeof(_frozen));
+    PyImport_FrozenModules = fzns;
+
+    // libpandadna
+    init_libpandadna();
+    initlibpandadna();
+    
+    return 0;
+}