diff --git a/src/locales/ja/game-mode.json b/src/locales/ja/game-mode.json
index 36559e5cce3..dc04b36932f 100644
--- a/src/locales/ja/game-mode.json
+++ b/src/locales/ja/game-mode.json
@@ -1,8 +1,8 @@
 {
   "classic": "クラシック",
   "endless": "エンドレス",
-  "endlessSpliced": "エンドレス (Spliced)",
+  "endlessSpliced": "エンドレス（吸収合体）",
   "dailyRun": "デイリーラン",
-  "unknown": "Unknown",
+  "unknown": "？？？",
   "challenge": "チャレンジ"
-}
\ No newline at end of file
+}