diff --git a/parts/language/lang_ja.lua b/parts/language/lang_ja.lua
index b2ced863..f5406ca9 100644
--- a/parts/language/lang_ja.lua
+++ b/parts/language/lang_ja.lua
@@ -769,13 +769,19 @@ return{
         ['sprint_100l']=    {"スプリント",            "100L",          "100ライン消せ!"},
         ['sprint_400l']=    {"スプリント",            "400L",          "400ライン消せ!"},
         ['sprint_1000l']=   {"スプリント",            "1,000L",        "1,000ライン消せ!"},
-        ['sprintPenta']=    {"スプリント",            "PENTOMINO",     "ペントミノで40ライン消せ!"},
+        ['sprintPenta']=    {"スプリント",            "PENTOMINO",     "ペントミノで40ライン"},
         ['sprintMPH']=      {"スプリント",            "MPH",           "ミノ順なし\nネクストなし\nホールドなし!"},
+        ['sprint123']=      {"スプリント",            "M123",          "モノミノ、ドミノ、トリミノで40ライン"},
+        ['secret_grade']=   {"裏GM                    "",              "ガイドに従ってジグザグに穴を作れ!"},
         ['dig_10l']=        {"掘り",                  "10L",           "10ライン下穴を掘れ!"},
         ['dig_40l']=        {"掘り",                  "40L",           "40ライン下穴を掘れ!"},
         ['dig_100l']=       {"掘り",                  "100L",          "100ライン下穴を掘れ!"},
         ['dig_400l']=       {"掘り",                  "400L",          "400ライン下穴を掘れ!"},
-        --['dig_quad_10l']=   {"堀り",               "TECHRASH 10L",   "techrashだけで10ライン下穴を掘れ!"},
+        ['dig_eff_10l']=    {"堀り",               "EFFICIENCY 10L", "最小のミノ数で10ライン掘れ!"},
+        ['dig_eff_40l']=    {"堀り",               "EFFICIENCY 40L", "最小のミノ数で40ライン掘れ!"},
+        ['dig_eff_100l']=   {"堀り",               "EFFICIENCY 100L","最小のミノ数で100ライン掘れ!"},
+        ['dig_eff_400l']=   {"堀り",               "EFFICIENCY 400L","最小のミノ数で400ライン掘れ!"},
+        ['dig_quad_10l']=   {"堀り",               "TECHRASH 10L",   "techrashだけで10ライン下穴を掘れ!"},
         ['drought_n']=      {"ドラウト",              "100L",          "Iミノ一切無し!"},
         ['drought_l']=      {"ドラウト+",             "100L",          "わったーふ◯っく!"},
         ['marathon_n']=     {"マラソン",              "NORMAL",        "加速する中で200ラインマラソン!"},
@@ -796,11 +802,14 @@ return{
         ['round_h']=        {"ターン制",              "HARD",          "ターン制で高レベルAIと勝負!"},
         ['round_l']=        {"ターン制",              "LUNATIC",       "ターン制でプロレベルAIと勝負!"},
         ['round_u']=        {"ターン制",              "ULTIMATE",      "ターン制で神レベルAIと勝負!"},
+        ['big_n']=          {"ビッグ",               "NORMAL",         "小さい盤面でプレイ!"},
+        ['big_h']=          {"ビッグ",               "HARD",           "小さい盤面でプレイ!"},
         ['master_n']=       {"マスター",              "NORMAL",        "20G 初心者方へ"},
         ['master_h']=       {"マスター",              "HARD",          "20G 中級者の方へ"},
         ['master_m']=       {"マスター",              "M21",           "20G 上級者の方へ"},
         ['master_final']=   {"マスター",              "FINAL",         "20G その先へ"},
         ['master_ph']=      {"マスター",              "PHANTASM",      "???"},
+        ['master_g']=       {"マスター",              "GRADED",        "最高段位を取れ!"},
         ['master_ex']=      {"グランドマスター",      "EXTRA",         "一瞬よりも短い永遠"},
         ['master_instinct']={"マスター",              "INSTINCT",      "もしミノが一切見えなくなったら?"},
         ['strategy_e']=     {"ストラテジー",          "EASY",          "20Gでの素早い判断"},
@@ -859,7 +868,7 @@ return{
         ['ultra']=          {'ウルトラ',              "EXTRA",      "2分以内にできるだけ多くの点数を取る"},
         ['infinite']=       {"無限",                   "",          "サンドボックス"},
         ['infinite_dig']=   {"無限: 掘り",             "",          "掘れ掘れ掘れ"},
-        ['marathon_inf']=   {"マラソン",               "INFINITE",  "永遠のマラソン"},
+        ['marathon_inf']=   {"マラソン",               "INFINITE",  "ずっとマラソン"},
 
         ['custom_clear']=   {"カスタム",              "NORMAL"},
         ['custom_puzzle']=  {"カスタム",              "PUZZLE"},