diff --git a/changelog.md b/changelog.md
index 437a3b2..42c7cfe 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,15 @@
 # Changelog
 Documenting updates to ARTEMiS, to be updated every time the master branch is pushed to.
 
+## 20240408
+### System
++ Modified the game specific documentation
+
+## 20240407
+### Maimai
++ Support maimai DX International [#118](https://gitea.tendokyu.moe/Hay1tsme/artemis/pulls/118) (Thanks beerpsi!)
++ Fixed the maimai DX reboot time from config [#120](https://gitea.tendokyu.moe/Hay1tsme/artemis/pulls/120) (Thanks topty!)
+
 ## 20240318
 ### CXB
 + Fixing handle_data_shop_list_detail_request for Sunrise S1
diff --git a/core/data/database.py b/core/data/database.py
index cb60886..bd6c4f2 100644
--- a/core/data/database.py
+++ b/core/data/database.py
@@ -241,6 +241,10 @@ class Data:
             self.logger.info("Message is required for create-revision")
             return
         
+        for _, mod in Utils.get_all_titles().items():
+            if hasattr(mod, "database"):
+                mod.database(self.config)
+        
         self.__alembic_cmd(
             "revision",
             "--autogenerate",
diff --git a/docs/game_specific_info.md b/docs/game_specific_info.md
index 633c7ca..e768b01 100644
--- a/docs/game_specific_info.md
+++ b/docs/game_specific_info.md
@@ -9,7 +9,15 @@ using the megaime database. Clean installations always create the latest databas
 To upgrade the core database and the database for every game, execute:
 
 ```shell
-python dbutils.py autoupgrade
+python dbutils.py upgrade
+```
+
+If you are using the old master branch that was not setup with alembic, make sure to do the following steps in order:
+- Pull down latest master/develop
+- Update core.yaml
+- Back up your existing database
+```shell
+python dbutils.py migrate
 ```
 
 # Table of content
@@ -22,7 +30,7 @@ python dbutils.py autoupgrade
     - [Card Maker](#card-maker)
     - [WACCA](#wacca)
     - [Sword Art Online Arcade](#sao)
-	- [Initial D THE ARCADE](#initial-d-the-arcade)
+    - [Initial D THE ARCADE](#initial-d-the-arcade)
 
 
 # Supported Games
@@ -95,7 +103,7 @@ crypto:
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDBT upgrade
+python dbutils.py upgrade
 ```
 
 ### Online Battle
@@ -218,7 +226,7 @@ The importer for maimai Pre-DX will import Events and Music. Not all games will
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDEZ upgrade
+python dbutils.py upgrade
 ```
 
 Pre-Dx uses the same database as DX, so only upgrade using the SDEZ game code!
@@ -262,7 +270,7 @@ In order to use custom PV Lists, simply drop in your .dat files inside of /title
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SBZV upgrade
+python dbutils.py upgrade
 ```
 
 ## O.N.G.E.K.I.
@@ -318,7 +326,7 @@ crypto:
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDDT upgrade
+python dbutils.py upgrade
 ```
 
 ### Controlling Events (Ranking Event, Technical Challenge Event, Mission Event)
@@ -546,7 +554,7 @@ Config file is located in `config/wacca.yaml`.
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDFE upgrade
+python dbutils.py upgrade
 ```
 
 ### VIP Rewards
@@ -619,7 +627,7 @@ Config file is located in `config/sao.yaml`.
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDEW upgrade
+python dbutils.py upgrade
 ```
 
 ### Notes
@@ -684,7 +692,7 @@ Config file is located in `config/idac.yaml`.
 Always make sure your database (tables) are up-to-date:
 
 ```shell
-python dbutils.py --game SDGT upgrade
+python dbutils.py upgrade
 ```
 
 ### Notes
diff --git a/titles/mai2/__init__.py b/titles/mai2/__init__.py
index 962423b..74cfddf 100644
--- a/titles/mai2/__init__.py
+++ b/titles/mai2/__init__.py
@@ -15,4 +15,5 @@ game_codes = [
     Mai2Constants.GAME_CODE_ORANGE,
     Mai2Constants.GAME_CODE_GREEN,
     Mai2Constants.GAME_CODE,
+    Mai2Constants.GAME_CODE_DX_INT,
 ]
diff --git a/titles/mai2/const.py b/titles/mai2/const.py
index 92e00e7..4dc10ce 100644
--- a/titles/mai2/const.py
+++ b/titles/mai2/const.py
@@ -28,6 +28,7 @@ class Mai2Constants:
     GAME_CODE_MILK = "SDDZ"
     GAME_CODE_FINALE = "SDEY"
     GAME_CODE_DX = "SDEZ"
+    GAME_CODE_DX_INT = "SDGA"
 
     CONFIG_NAME = "mai2.yaml"
 
diff --git a/titles/mai2/dx.py b/titles/mai2/dx.py
index 837fb8f..0d3bddd 100644
--- a/titles/mai2/dx.py
+++ b/titles/mai2/dx.py
@@ -16,12 +16,36 @@ class Mai2DX(Mai2Base):
         self.version = Mai2Constants.VER_MAIMAI_DX
 
     async def handle_get_game_setting_api_request(self, data: Dict):
+        # if reboot start/end time is not defined use the default behavior of being a few hours ago
+        if self.core_config.title.reboot_start_time == "" or self.core_config.title.reboot_end_time == "":
+            reboot_start = datetime.strftime(
+                datetime.utcnow() + timedelta(hours=6), self.date_time_format
+            )
+            reboot_end = datetime.strftime(
+                datetime.utcnow() + timedelta(hours=7), self.date_time_format
+            )
+        else:
+            # get current datetime in JST
+            current_jst = datetime.now(pytz.timezone('Asia/Tokyo')).date()
+
+            # parse config start/end times into datetime
+            reboot_start_time = datetime.strptime(self.core_config.title.reboot_start_time, "%H:%M")
+            reboot_end_time = datetime.strptime(self.core_config.title.reboot_end_time, "%H:%M")
+
+            # offset datetimes with current date/time
+            reboot_start_time = reboot_start_time.replace(year=current_jst.year, month=current_jst.month, day=current_jst.day, tzinfo=pytz.timezone('Asia/Tokyo'))
+            reboot_end_time = reboot_end_time.replace(year=current_jst.year, month=current_jst.month, day=current_jst.day, tzinfo=pytz.timezone('Asia/Tokyo'))
+
+            # create strings for use in gameSetting
+            reboot_start = reboot_start_time.strftime(self.date_time_format)
+            reboot_end = reboot_end_time.strftime(self.date_time_format)
+
         return {
             "gameSetting": {
                 "isMaintenance": False,
                 "requestInterval": 1800,
-                "rebootStartTime": "2020-01-01 07:00:00.0",
-                "rebootEndTime": "2020-01-01 07:59:59.0",
+                "rebootStartTime": reboot_start,
+                "rebootEndTime": reboot_end,
                 "movieUploadLimit": 100,
                 "movieStatus": 1,
                 "movieServerUri": self.old_server + "movie/",
diff --git a/titles/mai2/index.py b/titles/mai2/index.py
index df167f0..a1cd7b1 100644
--- a/titles/mai2/index.py
+++ b/titles/mai2/index.py
@@ -113,18 +113,23 @@ class Mai2Servlet(BaseServlet):
             Route("/{version:int}/MaimaiServlet/usbdl/{endpoint:str}", self.handle_usbdl),
             Route("/{version:int}/MaimaiServlet/deliver/{endpoint:str}", self.handle_deliver),
             Route("/{version:int}/MaimaiServlet/{endpoint:str}", self.handle_mai, methods=['POST']),
-            Route("/{version:int}/Maimai2Servlet/{endpoint:str}", self.handle_mai2, methods=['POST']),
+            Route("/{game:str}/{version:int}/Maimai2Servlet/{endpoint:str}", self.handle_mai2, methods=['POST']),
         ]
         
-    def get_allnet_info(self, game_code: str, game_ver: int, keychip: str) -> Tuple[str, str]:        
+    def get_allnet_info(self, game_code: str, game_ver: int, keychip: str) -> Tuple[str, str]:
+        if game_code in {Mai2Constants.GAME_CODE_DX, Mai2Constants.GAME_CODE_DX_INT}:
+            path = f"{game_code}/{game_ver}"
+        else:
+            path = game_ver
+
         if not self.core_cfg.server.is_using_proxy and Utils.get_title_port(self.core_cfg) != 80:
             return (
-                f"http://{self.core_cfg.server.hostname}:{Utils.get_title_port(self.core_cfg)}/{game_ver}/",
+                f"http://{self.core_cfg.server.hostname}:{Utils.get_title_port(self.core_cfg)}/{path}/",
                 f"{self.core_cfg.server.hostname}",
             )
 
         return (
-            f"http://{self.core_cfg.server.hostname}/{game_ver}/",
+            f"http://{self.core_cfg.server.hostname}/{path}/",
             f"{self.core_cfg.server.hostname}",
         )
 
@@ -239,6 +244,8 @@ class Mai2Servlet(BaseServlet):
     async def handle_mai2(self, request: Request) -> bytes:
         endpoint: str = request.path_params.get('endpoint')
         version: int = request.path_params.get('version')
+        game_code = request.path_params.get('game')
+
         if endpoint.lower() == "ping":
             return Response(zlib.compress(b'{"returnCode": "1"}'))
 
@@ -292,6 +299,11 @@ class Mai2Servlet(BaseServlet):
         self.logger.info(f"v{version} {endpoint} request from {client_ip}")
         self.logger.debug(req_data)
 
+        endpoint = (
+            endpoint.replace("MaimaiExp", "")
+            if game_code == Mai2Constants.GAME_CODE_DX_INT
+            else endpoint
+        )
         func_to_find = "handle_" + inflection.underscore(endpoint) + "_request"
         handler_cls = self.versions[internal_ver](self.core_cfg, self.game_cfg)
 
diff --git a/titles/wacca/index.py b/titles/wacca/index.py
index 9a87d7c..97a3fd4 100644
--- a/titles/wacca/index.py
+++ b/titles/wacca/index.py
@@ -13,6 +13,7 @@ import traceback
 import sys
 
 from core import CoreConfig, Utils
+from core.data import Data
 from core.title import BaseServlet
 from .config import WaccaConfig
 from .config import WaccaConfig
@@ -33,6 +34,7 @@ class WaccaServlet(BaseServlet):
             self.game_cfg.update(
                 yaml.safe_load(open(f"{cfg_dir}/{WaccaConstants.CONFIG_NAME}"))
             )
+        self.data = Data(core_cfg)
 
         self.versions = [
             WaccaBase(core_cfg, self.game_cfg),
@@ -136,6 +138,15 @@ class WaccaServlet(BaseServlet):
             resp.status = 1
             resp.message = "不正なリクエスト エラーです"
             return end(resp.make())
+        
+        if not self.core_cfg.server.allow_unregistered_serials:
+            mech = await self.data.arcade.get_machine(req.chipId)
+            if not mech:
+                self.logger.error(f"Blocked request from unregistered serial {req.chipId} to {url_path}")
+                resp = BaseResponse()
+                resp.status = 1
+                resp.message = "機械エラーです"
+                return end(resp.make())
 
         ver_search = int(version_full)