diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 955c4c9..193f9a3 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -9,7 +9,6 @@ add_executable(astra
 
 target_link_libraries(astra PUBLIC
         ${LIBRARIES}
-        libxiv
         astra_core
         astra_desktop
         astra_cli
diff --git a/launcher/core/CMakeLists.txt b/launcher/core/CMakeLists.txt
index d7fd47e..4133e59 100644
--- a/launcher/core/CMakeLists.txt
+++ b/launcher/core/CMakeLists.txt
@@ -38,8 +38,8 @@ target_include_directories(astra_core PUBLIC
         ${CMAKE_BINARY_DIR}
         include)
 target_link_libraries(astra_core PUBLIC
-        libxiv
         physis
+        z # FIXME: remove!
         ${LIBRARIES}
         Qt5::Core
         Qt5::Network
diff --git a/launcher/core/src/gameinstaller.cpp b/launcher/core/src/gameinstaller.cpp
index 9a8a199..80ea66a 100644
--- a/launcher/core/src/gameinstaller.cpp
+++ b/launcher/core/src/gameinstaller.cpp
@@ -1,9 +1,9 @@
 #include "gameinstaller.h"
 
-#include <installextract.h>
 #include <QNetworkReply>
 #include <QStandardPaths>
 #include <QFile>
+#include <physis.hpp>
 
 #include "launchercore.h"
 
@@ -25,7 +25,7 @@ void installGame(LauncherCore& launcher, ProfileSettings& profile, std::function
         file.write(reply->readAll());
         file.close();
 
-        extractBootstrapFiles((dataDir + "/ffxivsetup.exe").toStdString(), installDirectory.toStdString());
+        physis_install_game(installDirectory.toStdString().c_str(), (dataDir + "/ffxivsetup.exe").toStdString().c_str());
 
         qDebug() << "Done installing to " << installDirectory << "!";
 
diff --git a/launcher/core/src/launchercore.cpp b/launcher/core/src/launchercore.cpp
index c23f37f..6446681 100755
--- a/launcher/core/src/launchercore.cpp
+++ b/launcher/core/src/launchercore.cpp
@@ -27,8 +27,6 @@
 #include "settingswindow.h"
 #include "assetupdater.h"
 #include "encryptedarg.h"
-#include "gamedata.h"
-#include "exdparser.h"
 
 #ifdef ENABLE_WATCHDOG
 #include "watchdog.h"
@@ -712,14 +710,17 @@ void LauncherCore::addRegistryKey(const ProfileSettings& settings,
 }
 
 void LauncherCore::readGameData(ProfileSettings& profile) {
-    GameData data(profile.gamePath.toStdString() + "/game/sqpack");
+    auto path = profile.gamePath.toStdString() + "/game";
+    GameData* game_data = physis_gamedata_initialize(path.c_str());
 
-    if(auto exh = data.readExcelSheet("ExVersion")) {
-        auto path = getEXDFilename(*exh, "exversion", "en", exh->pages[0]);
-        auto exd = readEXD(*exh, *data.extractFile("exd/" + path), exh->pages[0]);
+    EXH* exh = physis_gamedata_read_excel_sheet_header(game_data, "ExVersion");
+    if(exh != nullptr) {
+        physis_EXD exd = physis_gamedata_read_excel_sheet(game_data, "ExVersion", exh, Language::English, 0);
 
-        for(auto row : exd.rows) {
-            expansionNames.push_back(row.data[0].data.c_str());
+        for(int i = 0; i < exd.row_count; i++) {
+            expansionNames.push_back(exd.row_data[i].column_data[0].string._0);
         }
     }
+
+    physis_gamedata_free(game_data);
 }
diff --git a/launcher/main.cpp b/launcher/main.cpp
index 48b947c..153e96c 100755
--- a/launcher/main.cpp
+++ b/launcher/main.cpp
@@ -5,14 +5,15 @@
 #include <QCommandLineParser>
 #include <keychain.h>
 #include <QDir>
+#include <physis.hpp>
 
-#include "sapphirelauncher.h"
-#include "squareboot.h"
-#include "gameinstaller.h"
+#include "../launcher/tablet/include/tabletinterface.h"
+#include "cmdinterface.h"
 #include "config.h"
 #include "desktopinterface.h"
-#include "cmdinterface.h"
-#include "../launcher/tablet/include/tabletinterface.h"
+#include "gameinstaller.h"
+#include "sapphirelauncher.h"
+#include "squareboot.h"
 
 int main(int argc, char* argv[]) {
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);