diff --git a/buildSrc/src/main/java/org/jackhuang/hmcl/gradle/docs/DocumentLocale.java b/buildSrc/src/main/java/org/jackhuang/hmcl/gradle/docs/DocumentLocale.java
index 7a37bb5d9..0b4e6d9a5 100644
--- a/buildSrc/src/main/java/org/jackhuang/hmcl/gradle/docs/DocumentLocale.java
+++ b/buildSrc/src/main/java/org/jackhuang/hmcl/gradle/docs/DocumentLocale.java
@@ -23,11 +23,22 @@ import java.util.Locale;
 /// @author Glavo
 public enum DocumentLocale {
     ENGLISH(Locale.ENGLISH, "") {
+        @Override
+        public String getSubLanguageDisplayName() {
+            return "Standard";
+        }
+
         @Override
         public List<DocumentLocale> getCandidates() {
             return List.of(ENGLISH);
         }
     },
+    ENGLISH_UPSIDE_DOWN(Locale.forLanguageTag("en-Qabs"), "en-Qabs") {
+        @Override
+        public String getSubLanguageDisplayName() {
+            return "uʍoᗡ ǝpᴉsd∩";
+        }
+    },
     SIMPLIFIED_CHINESE(Locale.forLanguageTag("zh-Hans"), "zh"),
     TRADITIONAL_CHINESE("zh-Hant") {
         @Override
diff --git a/docs/README.md b/docs/README.md
index 769d504eb..63a04a88c 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -10,7 +10,7 @@
 <!-- #END BLOCK -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-**English** | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
+**English** (**Standard**, [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## Introduction
diff --git a/docs/README_en_Qabs.md b/docs/README_en_Qabs.md
new file mode 100644
index 000000000..9c9d7fdd8
--- /dev/null
+++ b/docs/README_en_Qabs.md
@@ -0,0 +1,21 @@
+# ɹǝɥɔunɐ˥ ¡ʇɟɐɹɔǝuᴉW ollǝH
+
+[![pɐoꞁuʍoᗡ](https://img.shields.io/github/downloads/HMCL-dev/HMCL/total?label=p%C9%90o%EA%9E%81u%CA%8Do%E1%97%A1&style=flat)](https://github.com/HMCL-dev/HMCL/releases)
+
+**ɥsᴉlƃuƎ** (**uʍoᗡ ǝpᴉsd∩** '[pɹɐpuɐʇS](README.md))
+
+## uoᴉʇɔnpoɹʇuI
+
+˙[ǝlqɐʇ sᴉɥʇ](PLATFORM.md) oʇ ɹǝɟǝɹ ǝsɐǝld '˥ƆWH ʎq pǝʇɹoddns sǝɹnʇɔǝʇᴉɥɔɹɐ ∩ԀƆ puɐ sɯǝʇsʎs ɹoℲ
+
+˙˥ƆWH ɥƃnoɹɥʇ sɯɹoɟʇɐld ʇuǝɹǝɟɟᴉp ssoɹɔɐ ʇɟɐɹɔǝuᴉW ʎoɾuǝ ʎlᴉsɐǝ uɐɔ no⅄ ˙ɥɔɹ∀ƃuoo˥ puɐ 'SԀIW 'Λ-ƆSIɹ 'Wɹ∀ '98x sɐ ɥɔns sǝɹnʇɔǝʇᴉɥɔɹɐ ∩ԀƆ snoᴉɹɐʌ sʇɹoddns oslɐ ʇᴉ ʇnq 'pSqǝǝɹℲ puɐ 'SOɔɐɯ 'xnuᴉ˥ 'sʍopuᴉM ǝʞᴉl sɯǝʇsʎs ƃuᴉʇɐɹǝdo ʇuǝɹǝɟɟᴉp uo unɹ ʇᴉ sǝop ʎluo ʇoN ˙sǝᴉʇᴉlᴉqɐdɐɔ ɯɹoɟʇɐld-ssoɹɔ ƃuᴉzɐɯɐ sɐɥ ˥ƆWH
+
+˙ǝɹoɯ puɐ 'uoᴉʇɐzᴉɯoʇsnƆ I∩ 'ƃuᴉʇɐǝɹƆ ʞɔɐdpoW '(ǝuᴉℲᴉʇdO puɐ 'ɹǝpɐo˥ǝʇᴉ˥ 'ʇlᴉnQ 'ɔᴉɹqɐℲ 'ǝƃɹoℲoǝN 'ǝƃɹoℲ) ƃuᴉllɐʇsuI ɹǝpɐo˥poW 'ƃuᴉzᴉɯoʇsnƆ ǝɯɐפ 'ʇuǝɯǝƃɐuɐW poW sʇɹoddns ʇɐɥʇ ɹǝɥɔunɐl ʇɟɐɹɔǝuᴉW ɯɹoɟʇɐld-ssoɹɔ 'ǝɔɹnos-uǝdo uɐ sᴉ ˥ƆWH
+
+## pɐoluʍoᗡ
+
+˙ǝʌoqɐ pǝʇsᴉl sǝʇᴉsqǝʍ lɐᴉɔᴉɟɟo ǝɥʇ ɯoɹɟ sǝsɐǝlǝɹ pɐoluʍop oʇ ʎluo pǝpuǝɯɯoɔǝɹ sᴉ ʇᴉ 'ʎɹɐssǝɔǝu ʇou ɥƃnoɥʇl∀
+
+˙[sǝsɐǝlǝɹ qnHʇᴉפ](https://github.com/HMCL-dev/HMCL/releases) uᴉ ˥ƆWH ɟo uoᴉsɹǝʌ ʇsǝʇɐl ǝɥʇ puᴉɟ oslɐ uɐɔ no⅄
+
+˙[ǝʇᴉsqǝʍ lɐᴉɔᴉɟɟo](https://hmcl.huangyuhui.net/download) ǝɥʇ ɯoɹɟ uoᴉsɹǝʌ ʇsǝʇɐl ǝɥʇ pɐoluʍop
diff --git a/docs/README_es.md b/docs/README_es.md
index a347544f0..a10027232 100644
--- a/docs/README_es.md
+++ b/docs/README_es.md
@@ -11,7 +11,7 @@
 
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | **español** | [русский](README_ru.md) | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | **español** | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## Introducción
diff --git a/docs/README_ja.md b/docs/README_ja.md
index 92a509d12..a0472d376 100644
--- a/docs/README_ja.md
+++ b/docs/README_ja.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | **日本語** | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | **日本語** | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## 紹介
diff --git a/docs/README_lzh.md b/docs/README_lzh.md
index 9173207cb..b0a3f478c 100644
--- a/docs/README_lzh.md
+++ b/docs/README_lzh.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | **中文** ([简体](README_zh.md), [繁體](README_zh_Hant.md), **文言**) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | **中文** ([简体](README_zh.md), [繁體](README_zh_Hant.md), **文言**) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ### 概說
diff --git a/docs/README_ru.md b/docs/README_ru.md
index e022e20f9..8fbd835a0 100644
--- a/docs/README_ru.md
+++ b/docs/README_ru.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | **русский** | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | **русский** | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## Введение
diff --git a/docs/README_uk.md b/docs/README_uk.md
index 1c901946f..507561294 100644
--- a/docs/README_uk.md
+++ b/docs/README_uk.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | **українська**
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | 中文 ([简体](README_zh.md), [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | **українська**
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## Вступ
diff --git a/docs/README_zh.md b/docs/README_zh.md
index 2cbb2b49a..dbdd74c2f 100644
--- a/docs/README_zh.md
+++ b/docs/README_zh.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | **中文** (**简体**, [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | **中文** (**简体**, [繁體](README_zh_Hant.md), [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## 简介
diff --git a/docs/README_zh_Hant.md b/docs/README_zh_Hant.md
index a967e999e..f1ab372a3 100644
--- a/docs/README_zh_Hant.md
+++ b/docs/README_zh_Hant.md
@@ -10,7 +10,7 @@
 <!-- #END COPY -->
 
 <!-- #BEGIN LANGUAGE_SWITCHER -->
-[English](README.md) | **中文** ([简体](README_zh.md), **繁體**, [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
+English ([Standard](README.md), [uʍoᗡ ǝpᴉsd∩](README_en_Qabs.md)) | **中文** ([简体](README_zh.md), **繁體**, [文言](README_lzh.md)) | [日本語](README_ja.md) | [español](README_es.md) | [русский](README_ru.md) | [українська](README_uk.md)
 <!-- #END LANGUAGE_SWITCHER -->
 
 ## 簡介