diff --git a/dmmBypass.py b/dmmBypass.py
index fa8c327..0998d5c 100644
--- a/dmmBypass.py
+++ b/dmmBypass.py
@@ -9,6 +9,10 @@ import urllib.parse
 from uuid import getnode
 from datetime import datetime, timedelta
 
+# Set to False to allow packet sniffing/capture.
+# Set separately for dmmUpdater
+SSL_VERIFY = True
+
 parser = argparse.ArgumentParser(description='DMM bypass script')
 parser.add_argument('-g', '--game', type=str, help="DMM code name of the game", default="kfp2g")
 parser.add_argument('-t', '--type', help="DMM game type (ACL/GCL)", default="GCL")
@@ -30,7 +34,7 @@ def save_config(game_id, config):
 config = load_config(args.game)
 
 if config is None:
-    subprocess.check_call([sys.executable, "-m", "pip", "install", "requests", "beautifulsoup4", "PyPasser"])
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "requests", "beautifulsoup4"])
     config = {
         "game_id" : args.game,
         "file_path" : input('Enter full file path to KF3 .exe: ').strip('\"'),
@@ -49,7 +53,6 @@ config["game_type"] = args.type
 import requests
 import dmmUpdater
 from bs4 import BeautifulSoup
-from pypasser import reCaptchaV3
 
 def get_hash(data):
     sha_obj = hashlib.sha256()
@@ -75,38 +78,48 @@ def get_game_root_path(user_path, game_dir, exe_name):
     else:
         raise Exception(f"Path to game files is incorrect! Ensure it points to {exe_name} or contains {game_dir}!")
 
-def retrieve_login_token(session : requests.Session):
+def retrieve_oauth_code(login, password, session : requests.Session):
     try:
-        print("Retrieving login form")
-        url = "https://accounts.dmm.com/service/login/password"
-        result = session.get(url)
+        print("Retrieving login url")
+        url = "https://apidgp-gameplayer.games.dmm.com/v5/auth/login/url"
+        data = {"prompt":"choose"}
+        result = session.post(url, json=data, verify=SSL_VERIFY)
+        result.raise_for_status()
+        url = result.json()["data"]["url"]
+        encoded_url = urllib.parse.quote_plus(url.replace("https://accounts.dmm.com/service/oauth/select/=/path=", "").replace("oauth/select/", "oauth/").replace("accounts?prompt=choose", "accounts"))
+
+        print("Retrieving login form token")
+        result = session.get(url, verify=SSL_VERIFY)
         result.raise_for_status()
         page = BeautifulSoup(result.content, 'html.parser')
         token = page.find('input', attrs={"name":"token"}).get("value")
-        return token
+
+        print("Retrieving oauth link")
+        url = "https://accounts.dmm.com/service/oauth/authenticate"
+        headers = {"Content-Type": "application/x-www-form-urlencoded",
+                   "check_done_login":"true"}
+        data = f"token={token}&login_id={login}&password={password}&use_auto_login=1&path={encoded_url}&recaptchaToken="
+        result = session.post(url, data, headers=headers, verify=SSL_VERIFY)
+        result.raise_for_status()
+        page = BeautifulSoup(result.content, 'html.parser')
+        final_url = page.find('input', attrs={"id":"ga-param-service-url"}).get("value")
+
+        print("Retrieving oauth token")
+        result = session.get(final_url, allow_redirects=False, verify=SSL_VERIFY)
+        redirect_url = result.next.url
+        oauth_token = redirect_url.split("=")[-1]
+
+        return oauth_token
+    
     except Exception as e:
         print("Failed to retrieve login form:", e)
 
-def retrieve_captcha_token():
-    try:
-        captcha = reCaptchaV3("https://www.google.com/recaptcha/enterprise/anchor?ar=1&k=6LfZLQEVAAAAAC-8pKwFNuzVoJW4tfUCghBX_7ZE&co=aHR0cHM6Ly9hY2NvdW50cy5kbW0uY29tOjQ0Mw..&hl=ja&v=1Bq_oiMBd4XPUhKDwr0YL1Js&size=invisible")
-        return captcha
-    except Exception as e:
-        print("Failed to solve captcha:", e)
-
-def retrieve_auth_keys(login, password, token, captcha, session : requests.Session):
-    try:
-        print("Logging in")
-        url = "https://accounts.dmm.com/service/login/password/authenticate"
-        data = f"token={token}&login_id={login}&password={password}&prompt=&device=games-player&recaptchaToken={captcha}"
-        headers = {"Content-Type": "application/x-www-form-urlencoded"}
-        result = session.post(url, data, headers=headers)
-        result.raise_for_status()
-        cookies = result.cookies.get_dict()
-        return cookies["login_secure_id"], cookies["login_session_id"]
-    except Exception as e:
-        print("Failed to log in:", e)
-        return None, None
+def retrieve_access_token(oauth_token, session: requests.Session):
+    url = "https://apidgp-gameplayer.games.dmm.com/v5/auth/accesstoken/issue"
+    result = session.post(url, json={"code":oauth_token}, verify=SSL_VERIFY)
+    result.raise_for_status()
+    data = result.json()["data"]
+    return data["access_token"], data["expires_in_seconds"]
 
 def agree_to_game_terms(game_id, use_proxy):
     try:
@@ -124,22 +137,25 @@ def agree_to_game_terms(game_id, use_proxy):
         print("Failed to accept terms of use:", e)
         return False
 
-def retrieve_launch_params(game_id, game_type, mac_addr, hdd_serial, motherboard, login_secure, login_session, use_proxy = False, update_game = False):
+def retrieve_launch_params(game_id, game_type, mac_addr, hdd_serial, motherboard, access_token, session: requests.Session, use_proxy = False, update_game = False):
     try:
         print("Retrieving launch arguments")
         data = {"product_id":game_id,"game_type":game_type,"game_os":"win","launch_type":"LIB","mac_address":mac_addr,"hdd_serial":hdd_serial,"motherboard":motherboard,"user_os":"win"}
-        headers = {"User-Agent": "DMMGamePlayer5-Win/5.3.12 Electron/32.1.0", "Client-App": "DMMGamePlayer5", "Client-version": "5.3.12", "Content-Type": "application/json"}
-        cookies = {"login_secure_id":login_secure, "login_session_id":login_session}
+        headers = {"User-Agent": "DMMGamePlayer5-Win/5.3.12 Electron/32.1.0",
+                   "Client-App": "DMMGamePlayer5",
+                   "Client-version": "5.3.12",
+                   "Content-Type": "application/json",
+                   "actauth":access_token}
         if update_game:
             url = "https://katworks.sytes.net/proxy/launchAndUpdate" if use_proxy else "https://apidgp-gameplayer.games.dmm.com/v5/r2/launch/cl" 
         else:
             url = "https://katworks.sytes.net/proxy/launch" if use_proxy else "https://apidgp-gameplayer.games.dmm.com/v5/launch/cl" 
-        result = requests.post(url, cookies=cookies, headers=headers, json=data)
+        result = session.post(url, headers=headers, json=data, verify=SSL_VERIFY)
         result.raise_for_status()
         result_json = result.json()
         if result_json["result_code"] == 308:
             if agree_to_game_terms(game_id, use_proxy):
-                result = requests.post(url, cookies=cookies, headers=headers, json=data)
+                result = session.post(url, headers=headers, json=data, verify=SSL_VERIFY)
                 result.raise_for_status()
                 result_json = result.json()
                 if result_json["result_code"] != 100:
@@ -185,28 +201,24 @@ def main(config):
                 saved_login = None
 
         if saved_login is not None:
-            login_secure, login_session = saved_login["login_secure"], saved_login["login_session"]
-            print("Loaded login data from previous session")
+            access_token = saved_login["access_token"]
+            print("Loaded token from previous session")
         else:
-            token = retrieve_login_token(session)
-            captcha = retrieve_captcha_token()
-
-            if token == None or captcha == None:
-                return
-
-            login_secure, login_session = retrieve_auth_keys(login, password, token, captcha, session)
-            if login_secure == None or login_session == None:
+            oauth_code = retrieve_oauth_code(login, password, session)
+            if oauth_code == None:
                 return
             
-            login_expiration = int((current_time + timedelta(days=364)).timestamp()) #expire in less than a year
-            config["saved_login"] = saved_login = {"login_secure" : login_secure, "login_session" : login_session, "expiration": login_expiration}
+            access_token, expiration_seconds = retrieve_access_token(oauth_code, session)
+
+            token_expiration = int((current_time + timedelta(seconds=expiration_seconds)).timestamp())
+            config["saved_login"] = saved_login = {"access_token" : access_token, "expiration": token_expiration}
             del(config["update_game"])
             save_config(game_id, config)
         
         if not use_proxy: input("Enable VPN now and press Enter")
 
         #execute_args, file_list_url, file_access_params
-        launch_data : dict = retrieve_launch_params(game_id, game_type, mac_addr, hdd_serial, motherboard, login_secure, login_session, use_proxy, update_game)
+        launch_data : dict = retrieve_launch_params(game_id, game_type, mac_addr, hdd_serial, motherboard, access_token, session, use_proxy, update_game)
                 
         if launch_data == None:
             return
diff --git a/dmmUpdater.py b/dmmUpdater.py
index e0742b6..8cbae6c 100644
--- a/dmmUpdater.py
+++ b/dmmUpdater.py
@@ -6,10 +6,14 @@ import urllib.parse
 from urllib.request import urlretrieve
 from pathlib import Path
 
+# Set to False to allow packet sniffing/capture.
+# Set separately for dmmBypass
+SSL_VERIFY = True
+
 def get_file_list(url):
     url = "https://apidgp-gameplayer.games.dmm.com" + url
     print("Retrieving file list from " + url)
-    result = requests.get(url)
+    result = requests.get(url, verify=SSL_VERIFY)
     result.raise_for_status()
     data = result.json()["data"]
     return data["domain"], data["file_list"]
@@ -71,7 +75,7 @@ def update_game(game_path, files_url, files_param):
                 file = files_to_download[index]
                 url, path = file["url"], file["path"]
                 
-                response = requests.get(url, timeout=10, stream=True)
+                response = requests.get(url, timeout=10, stream=True, verify=SSL_VERIFY)
                 total_size = int(response.headers.get("content-length", 0))
                 block_size = 1024 * 1024
                 downloaded = 0