diff --git a/titles/cm/read.py b/titles/cm/read.py
index cf697c6..f4617e5 100644
--- a/titles/cm/read.py
+++ b/titles/cm/read.py
@@ -208,7 +208,8 @@ class CardMakerReader(BaseReader):
             "1.35": Mai2Constants.VER_MAIMAI_DX_FESTIVAL_PLUS,
             "1.40": Mai2Constants.VER_MAIMAI_DX_BUDDIES,
             "1.45": Mai2Constants.VER_MAIMAI_DX_BUDDIES_PLUS,
-            "1.50": Mai2Constants.VER_MAIMAI_DX_PRISM
+            "1.50": Mai2Constants.VER_MAIMAI_DX_PRISM,
+            "1.55": Mai2Constants.VER_MAIMAI_DX_PRISM_PLUS
         }
 
         for root, dirs, files in os.walk(base_dir):
diff --git a/titles/mai2/const.py b/titles/mai2/const.py
index 1d6a4dd..50d7b17 100644
--- a/titles/mai2/const.py
+++ b/titles/mai2/const.py
@@ -57,6 +57,7 @@ class Mai2Constants:
     VER_MAIMAI_DX_BUDDIES = 21
     VER_MAIMAI_DX_BUDDIES_PLUS = 22
     VER_MAIMAI_DX_PRISM = 23
+    VER_MAIMAI_DX_PRISM_PLUS = 24
 
     VERSION_STRING = (
         "maimai",
@@ -82,7 +83,8 @@ class Mai2Constants:
         "maimai DX FESTiVAL PLUS",
         "maimai DX BUDDiES",
         "maimai DX BUDDiES PLUS",
-        "maimai DX PRiSM"
+        "maimai DX PRiSM",
+        "maimai DX PRiSM PLUS"
     )
 
     @classmethod
diff --git a/titles/mai2/index.py b/titles/mai2/index.py
index 86923e7..1f0a6be 100644
--- a/titles/mai2/index.py
+++ b/titles/mai2/index.py
@@ -32,6 +32,7 @@ from .festivalplus import Mai2FestivalPlus
 from .buddies import Mai2Buddies
 from .buddiesplus import Mai2BuddiesPlus
 from .prism import Mai2Prism
+from .prismplus import Mai2PrismPlus
 
 
 class Mai2Servlet(BaseServlet):
@@ -68,7 +69,8 @@ class Mai2Servlet(BaseServlet):
             Mai2FestivalPlus,
             Mai2Buddies,
             Mai2BuddiesPlus,
-            Mai2Prism
+            Mai2Prism,
+            Mai2PrismPlus
         ]
 
         self.logger = logging.getLogger("mai2")
@@ -308,10 +310,12 @@ class Mai2Servlet(BaseServlet):
               internal_ver = Mai2Constants.VER_MAIMAI_DX_FESTIVAL_PLUS
           elif version >= 140 and version < 145:  # BUDDiES
               internal_ver = Mai2Constants.VER_MAIMAI_DX_BUDDIES
-          elif version >= 145 and version <150:  # BUDDiES PLUS
+          elif version >= 145 and version < 150:  # BUDDiES PLUS
               internal_ver = Mai2Constants.VER_MAIMAI_DX_BUDDIES_PLUS,
-          elif version >=150:
+          elif version >= 150 and version < 155:
               internal_ver = Mai2Constants.VER_MAIMAI_DX_PRISM
+          elif version >= 155:
+              internal_ver = Mai2Constants.VER_MAIMAI_DX_PRISM_PLUS
 
         elif game_code == "SDGA": # Int
           if version < 105:  # 1.0
@@ -332,10 +336,12 @@ class Mai2Servlet(BaseServlet):
               internal_ver = Mai2Constants.VER_MAIMAI_DX_FESTIVAL_PLUS
           elif version >= 140 and version < 145:  # BUDDiES
               internal_ver = Mai2Constants.VER_MAIMAI_DX_BUDDIES
-          elif version >= 145 and version <150:  # BUDDiES PLUS
+          elif version >= 145 and version < 150:  # BUDDiES PLUS
               internal_ver = Mai2Constants.VER_MAIMAI_DX_BUDDIES_PLUS,
-          elif version >=150:
+          elif version >= 150 and version < 155:
               internal_ver = Mai2Constants.VER_MAIMAI_DX_PRISM
+          elif version >= 155:
+              internal_ver = Mai2Constants.VER_MAIMAI_DX_PRISM_PLUS
 
         if all(c in string.hexdigits for c in endpoint) and len(endpoint) == 32:
             # If we get a 32 character long hex string, it's a hash and we're
diff --git a/titles/mai2/prismplus.py b/titles/mai2/prismplus.py
new file mode 100644
index 0000000..296207c
--- /dev/null
+++ b/titles/mai2/prismplus.py
@@ -0,0 +1,22 @@
+from typing import Dict
+
+from core.config import CoreConfig
+from titles.mai2.prism import Mai2Prism
+from titles.mai2.const import Mai2Constants
+from titles.mai2.config import Mai2Config
+
+
+
+class Mai2PrismPlus(Mai2Prism):
+    def __init__(self, cfg: CoreConfig, game_cfg: Mai2Config) -> None:
+        super().__init__(cfg, game_cfg)
+        self.version = Mai2Constants.VER_MAIMAI_DX_PRISM_PLUS
+
+    async def handle_cm_get_user_preview_api_request(self, data: Dict) -> Dict:
+        user_data = await super().handle_cm_get_user_preview_api_request(data)
+
+        # hardcode lastDataVersion for CardMaker
+        user_data["lastDataVersion"] = "1.55.00"
+        return user_data
+
+