diff --git a/CMakeLists.txt b/CMakeLists.txt
index 400c145e08..9ed01c2101 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -381,6 +381,21 @@ if(EMSCRIPTEN)
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/lang/english.lng@/lang/english.lng")
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/ai@/ai")
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/game@/game")
+    # Documentation files for the in-game text file viewer
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/README.md@/README.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/CREDITS.md@/CREDITS.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/CONTRIBUTING.md@/CONTRIBUTING.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/COPYING.md@/COPYING.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/known-bugs.txt@/known-bugs.txt")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/changelog.txt@/changelog.txt")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/admin_network.md@/docs/admin_network.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/debugging_desyncs.md@/docs/debugging_desyncs.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/desync.md@/docs/desync.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/directory_structure.md@/docs/directory_structure.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/linkgraph.md@/docs/linkgraph.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/logging_and_performance_metrics.md@/docs/logging_and_performance_metrics.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/multiplayer.md@/docs/multiplayer.md")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/docs/savegame_format.md@/docs/savegame_format.md")
 
     # We use IDBFS for persistent storage.
     target_link_libraries(WASM::WASM INTERFACE "-lidbfs.js")
diff --git a/cmake/InstallAndPackage.cmake b/cmake/InstallAndPackage.cmake
index 3a894b5a62..b38e88a6c8 100644
--- a/cmake/InstallAndPackage.cmake
+++ b/cmake/InstallAndPackage.cmake
@@ -37,12 +37,29 @@ install(DIRECTORY
 install(FILES
                 ${CMAKE_SOURCE_DIR}/COPYING.md
                 ${CMAKE_SOURCE_DIR}/README.md
+                ${CMAKE_SOURCE_DIR}/CREDITS.md
+                ${CMAKE_SOURCE_DIR}/CONTRIBUTING.md
                 ${CMAKE_SOURCE_DIR}/changelog.txt
-                ${CMAKE_SOURCE_DIR}/docs/multiplayer.md
                 ${CMAKE_SOURCE_DIR}/known-bugs.txt
         DESTINATION ${DOCS_DESTINATION_DIR}
         COMPONENT docs)
 
+install(FILES
+                ${CMAKE_SOURCE_DIR}/docs/admin_network.md
+                ${CMAKE_SOURCE_DIR}/docs/debugging_desyncs.md
+                ${CMAKE_SOURCE_DIR}/docs/desync.md
+                ${CMAKE_SOURCE_DIR}/docs/directory_structure.md
+                ${CMAKE_SOURCE_DIR}/docs/game_coordinator.md
+                ${CMAKE_SOURCE_DIR}/docs/linkgraph.md
+                ${CMAKE_SOURCE_DIR}/docs/logging_and_performance_metrics.md
+                ${CMAKE_SOURCE_DIR}/docs/multiplayer.md
+                ${CMAKE_SOURCE_DIR}/docs/savegame_format.md
+                ${CMAKE_SOURCE_DIR}/docs/obg_format.txt
+                ${CMAKE_SOURCE_DIR}/docs/obm_format.txt
+                ${CMAKE_SOURCE_DIR}/docs/obs_format.txt
+        DESTINATION ${DOCS_DESTINATION_DIR}/docs
+        COMPONENT docs)
+
 # A Linux manual only makes sense when using FHS. Otherwise it is a very odd
 # file with little context to what it is.
 if(OPTION_INSTALL_FHS)