diff --git a/gitadora@asphyxia/data/index.ts b/gitadora@asphyxia/data/index.ts
index 64f650a..7814955 100644
--- a/gitadora@asphyxia/data/index.ts
+++ b/gitadora@asphyxia/data/index.ts
@@ -55,7 +55,7 @@ export function gameVerToDataVer(ver: string): DATAVersion {
       return DATAVersion.HIGHVOLTAGE
     case 'nextage':
       return DATAVersion.NEXTAGE
-    case 'excahin':
+    case 'exchain':
       return DATAVersion.EXCHAIN
     case 'matixx':
     default:
diff --git a/gitadora@asphyxia/handlers/info.ts b/gitadora@asphyxia/handlers/info.ts
index 339dbdd..f82dcec 100644
--- a/gitadora@asphyxia/handlers/info.ts
+++ b/gitadora@asphyxia/handlers/info.ts
@@ -1,3 +1,5 @@
+import { getEncoreStageData } from "../utils/extrastage";
+
 export const shopInfoRegist: EPR = async (info, data, send) => {
   send.object({
     data: {
@@ -72,16 +74,22 @@ export const gameInfoGet: EPR = async (info, data, send) => {
     }
   }
 
+  const extraData = getEncoreStageData(info)
+  const extraMusic = []
+  for (const mid of extraData.musics ) {
+    extraMusic.push({
+      musicid: K.ITEM('s32', mid),
+      get_border: K.ITEM('u8', 0),
+    })
+  }
+
   await send.object({
     now_date: K.ITEM('u64', time),
     extra: {
-      extra_lv: K.ITEM('u8', 10),
+      extra_lv: K.ITEM('u8', extraData.level),
       extramusic: {
-        music: {
-          musicid: K.ITEM('s32', 0),
-          get_border: K.ITEM('u8', 0),
-        },
-      },
+        music: extraMusic,
+      }
     },
     infect_music: { term: K.ITEM('u8', 0) },
     unlock_challenge: { term: K.ITEM('u8', 0) },
diff --git a/gitadora@asphyxia/handlers/profiles.ts b/gitadora@asphyxia/handlers/profiles.ts
index d6e8d08..f4819c0 100644
--- a/gitadora@asphyxia/handlers/profiles.ts
+++ b/gitadora@asphyxia/handlers/profiles.ts
@@ -390,7 +390,7 @@ export const getPlayer: EPR = async (info, data, send) => {
   send.object({
     player: K.ATTR({ 'no': `${no}` }, {
       now_date: K.ITEM('u64', time),
-      secretmusic: {
+      secretmusic: { // TODO: FIX THIS FOR STOP INFOS ON GAME END
         music: {
           musicid: K.ITEM('s32', 0),
           seq: K.ITEM('u16', 255),
@@ -926,7 +926,7 @@ export const savePlayer: EPR = async (info, data, send) => {
       scores[mid].update[1] = newSkill;
     }
 
-    scores[mid].diffs[seq] = {
+    scores[mid].diffs[seq] = { //FIXME: Real server is bit complicated. this one is too buggy.
       perc: Math.max(_.get(scores[mid].diffs[seq], 'perc', 0), perc),
       rank: Math.max(_.get(scores[mid].diffs[seq], 'rank', 0), rank),
       meter: meter.toString(),
diff --git a/gitadora@asphyxia/utils/extrastage.ts b/gitadora@asphyxia/utils/extrastage.ts
new file mode 100644
index 0000000..caf6aba
--- /dev/null
+++ b/gitadora@asphyxia/utils/extrastage.ts
@@ -0,0 +1,28 @@
+import { getVersion } from ".";
+
+interface EncoreStageData {
+    level: number
+    musics: number[]
+}
+
+export function getEncoreStageData(info: EamuseInfo): EncoreStageData {
+    const fallback = { level: 10, musics: [0] }
+    switch (getVersion(info)) {
+        case 'nextage':
+            return {
+                level: 7,
+                musics: [
+                    2587, 2531, 2612, 2622, 2686, 2631, 2624, 2666
+                ]
+            }
+        case 'exchain':
+            return {
+                level: 13,
+                musics: [
+                    2498, 2513, 2500, 2529, 2546, 2549, 2548, 2560, 2568, 2576, 5020, 5032, 5031, 5033
+                ]
+            }
+        default:
+            return fallback
+    }
+}
\ No newline at end of file
diff --git a/gitadora@asphyxia/utils/index.ts b/gitadora@asphyxia/utils/index.ts
index 10d4daa..f7a2db0 100644
--- a/gitadora@asphyxia/utils/index.ts
+++ b/gitadora@asphyxia/utils/index.ts
@@ -16,4 +16,4 @@ export function isRequiredCoreVersion(major: number, minor: number) {
   const core_major = typeof CORE_VERSION_MAJOR === "number" ? CORE_VERSION_MAJOR : 1
   const core_minor = typeof CORE_VERSION_MINOR === "number" ? CORE_VERSION_MINOR : 18   
   return core_major >= major && core_minor >= minor
-}
\ No newline at end of file
+};