diff --git a/.run/[Windows] Run Client (Debug).run.xml b/.run/[Windows] Run Client (Debug).run.xml
index 3ed9eb8b..2fecbacc 100644
--- a/.run/[Windows] Run Client (Debug).run.xml	
+++ b/.run/[Windows] Run Client (Debug).run.xml	
@@ -6,7 +6,7 @@
     </envs>
     <option name="MAIN_CLASS_NAME" value="net.blueberrymc.client.main.ClientMain" />
     <module name="Blueberry-Parent.blueberry.main" />
-    <option name="PROGRAM_PARAMETERS" value="--debug --version=debug --assetIndex=1.19 --versionType=debug --username=&quot;Dev&quot; --userType=mojang --uuid=&quot;dev&quot; --accessToken=abc --assetsDir=&quot;${APPDATA}\.minecraft\assets&quot; --mixin=mixins.blueberry.json" />
+    <option name="PROGRAM_PARAMETERS" value="--debug --version=debug --assetIndex=3 --versionType=debug --username=&quot;Dev&quot; --userType=mojang --uuid=&quot;dev&quot; --accessToken=abc --assetsDir=&quot;${APPDATA}\.minecraft\assets&quot; --mixin=mixins.blueberry.json" />
     <option name="VM_PARAMETERS" value="-Dlog4j.configuration=&quot;$ProjectFileDir$/Blueberry-Client/src/main/resources/log4j2-debug.xml&quot; -Dblueberry.recursion.detector.enabled=true -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -Dmixin.debug=true -Dmixin.debug.strict=true -Dmixin.checks=true" />
     <option name="WORKING_DIRECTORY" value="$ProjectFileDir$/work/testClient" />
     <extension name="coverage">
@@ -19,4 +19,4 @@
       <option name="Make" enabled="true" />
     </method>
   </configuration>
-</component>
\ No newline at end of file
+</component>
diff --git a/.run/[Windows] Run Client.run.xml b/.run/[Windows] Run Client.run.xml
index 7303be15..ad4617f5 100644
--- a/.run/[Windows] Run Client.run.xml	
+++ b/.run/[Windows] Run Client.run.xml	
@@ -6,7 +6,7 @@
     </envs>
     <option name="MAIN_CLASS_NAME" value="net.blueberrymc.client.main.ClientMain" />
     <module name="Blueberry-Parent.blueberry.main" />
-    <option name="PROGRAM_PARAMETERS" value="--version=debug --assetIndex=1.19 --versionType=debug --username=&quot;Dev&quot; --uuid=&quot;abc&quot; --accessToken=&quot;abc&quot; --assetsDir=&quot;${APPDATA}\.minecraft\assets&quot; --mixin=mixins.blueberry.json" />
+    <option name="PROGRAM_PARAMETERS" value="--version=debug --assetIndex=3 --versionType=debug --username=&quot;Dev&quot; --uuid=&quot;abc&quot; --accessToken=&quot;abc&quot; --assetsDir=&quot;${APPDATA}\.minecraft\assets&quot; --mixin=mixins.blueberry.json" />
     <option name="VM_PARAMETERS" value="-Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M" />
     <option name="WORKING_DIRECTORY" value="$ProjectFileDir$/work/testClient" />
     <extension name="coverage">
@@ -19,4 +19,4 @@
       <option name="Make" enabled="true" />
     </method>
   </configuration>
-</component>
\ No newline at end of file
+</component>
diff --git a/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/FileDialogScreen.java b/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/FileDialogScreen.java
index 5c2044f0..c703bc79 100644
--- a/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/FileDialogScreen.java
+++ b/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/FileDialogScreen.java
@@ -120,6 +120,7 @@ public FileList(@NotNull Minecraft minecraft) {
                     addEntry(new Entry("[ " + root + " ]", root));
                 }
             }
+            addEntry(new Entry("./", options.getInitialDirectory()));
             File parent = options.getInitialDirectory().getParentFile();
             if (parent != null && FileUtil.isFileInsideBoundary(options.boundary(), parent)) {
                 addEntry(new Entry("../", parent));
@@ -162,8 +163,8 @@ public FileList(@NotNull Minecraft minecraft) {
             }).bounds(0, 0, 20, 20).build();
             cdButton.visible = false;
             selectButton = Button.builder(Component.literal("✔").withStyle(ChatFormatting.GREEN), (button) -> {
-                minecraft.setScreen(previousScreen);
                 options.runCallback(getSelected().file);
+                minecraft.setScreen(previousScreen);
             }).bounds(0, 0, 20, 20).build();
             selectButton.visible = false;
             addRenderableWidget(cdButton);
diff --git a/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/GenerateModScreen.java b/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/GenerateModScreen.java
index 8d088f3e..d21eafb9 100644
--- a/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/GenerateModScreen.java
+++ b/Blueberry-API/src/main/java/net/blueberrymc/client/gui/screens/GenerateModScreen.java
@@ -1,15 +1,36 @@
 package net.blueberrymc.client.gui.screens;
 
 import com.mojang.blaze3d.vertex.PoseStack;
+import net.blueberrymc.common.Blueberry;
 import net.blueberrymc.common.resources.BlueberryText;
+import net.blueberrymc.config.ModDescriptionFile;
+import net.minecraft.ChatFormatting;
+import net.minecraft.client.gui.components.AbstractWidget;
 import net.minecraft.client.gui.components.Button;
+import net.minecraft.client.gui.components.EditBox;
+import net.minecraft.client.gui.components.Tooltip;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.CommonComponents;
+import net.minecraft.network.chat.Component;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
 public class GenerateModScreen extends BlueberryScreen {
     private final Screen previousScreen;
+    private final List<Object> blockers = new ArrayList<>();
+    private final List<Consumer<PoseStack>> callbacks = new ArrayList<>();
+    private String modName = "";
+    private String modId = "";
+    private String targetDirectory = "";
+    private Button generateButton;
 
     public GenerateModScreen(@Nullable Screen previousScreen) {
         super(BlueberryText.text("blueberry", "gui.screens.generate_mod.title"));
@@ -18,16 +39,158 @@ public GenerateModScreen(@Nullable Screen previousScreen) {
 
     @Override
     protected void init() {
+        blockers.clear();
         assert this.minecraft != null;
+        int offset = 38;
+        int _maxWidth = 50;
+        var allTexts = List.of(
+                BlueberryText.text("blueberry", "gui.screens.generate_mod.mod_name"),
+                BlueberryText.text("blueberry", "gui.screens.generate_mod.mod_id"),
+                BlueberryText.text("blueberry", "gui.screens.generate_mod.target_directory")
+        );
+        for (var component : allTexts) {
+            int textWidth = font.width(component);
+            if (textWidth > _maxWidth) _maxWidth = textWidth;
+        }
+        final int maxWidth = _maxWidth;
+        BiConsumer<Component, Integer> addLabel = (component, finalOffset) -> callbacks.add(poseStack -> {
+            drawString(poseStack, font, component, this.width / 2 - this.width / 6 - maxWidth - 6, finalOffset + 6, 0xFFFFFF);
+        });
         this.addRenderableWidget(
                 Button.builder(CommonComponents.GUI_BACK, (button) -> this.minecraft.setScreen(previousScreen))
-                        .bounds(this.width / 2 - 50, this.height - 38, 96, 20)
+                        .bounds(this.width / 2 + 2, this.height - 38, 96, 20)
+                        .build());
+        generateButton = this.addRenderableWidget(Button
+                .builder(
+                        BlueberryText.text("blueberry", "gui.screens.generate_mod.generate"),
+                        (button) -> {
+                            // TODO
+                        })
+                .bounds(this.width / 2 - 98, this.height - 38, 96, 20)
+                .build());
+        addLabel.accept(allTexts.get(0), offset);
+        var modNameEditBox = new EditBox(font, width / 2 - width / 6 + 6, offset, width / 3, 20, Component.literal("Mod name"));
+        modNameEditBox.setMaxLength(255);
+        modNameEditBox.setValue(modName);
+        this.addRenderableWidget(modNameEditBox);
+        offset += 24;
+        addLabel.accept(allTexts.get(1), offset);
+        var modIdEditBox = new EditBox(font, width / 2 - width / 6 + 6, offset, width / 3, 20, Component.literal("Mod name"));
+        modIdEditBox.setMaxLength(255);
+        modIdEditBox.setValue(modId);
+        this.addRenderableWidget(modIdEditBox);
+        offset += 24;
+        addLabel.accept(allTexts.get(2), offset);
+        var targetDirectoryEditBox = new EditBox(font, width / 2 - width / 6 + 30, offset, width / 3 - 24, 20, Component.literal("Target directory"));
+        targetDirectoryEditBox.setMaxLength(2048);
+        targetDirectoryEditBox.setValue(targetDirectory);
+        targetDirectoryEditBox.setSuggestion(File.separator + modName);
+        modNameEditBox.setResponder(it -> {
+            modName = it;
+            targetDirectoryEditBox.setSuggestion(File.separator + modName);
+            checkTargetDirectory(targetDirectoryEditBox);
+            String projectedModId = it.replace(' ', '-').toLowerCase(Locale.ROOT);
+            if (!ModDescriptionFile.MOD_ID_PATTERN.matcher(projectedModId).matches()) {
+                modIdEditBox.setValue(projectedModId);
+                modIdEditBox.setTextColor(0xFF0000);
+                block(modIdEditBox);
+            } else {
+                modIdEditBox.setTextColor(0xFFFFFF);
+                modIdEditBox.setValue(projectedModId);
+                modId = projectedModId;
+                unblock(modIdEditBox);
+            }
+        });
+        modIdEditBox.setResponder(it -> {
+            if (!ModDescriptionFile.MOD_ID_PATTERN.matcher(it).matches()) {
+                modIdEditBox.setTextColor(0xFF0000);
+                block(modIdEditBox);
+            } else {
+                modIdEditBox.setTextColor(0xFFFFFF);
+                modId = it;
+                unblock(modIdEditBox);
+            }
+        });
+        targetDirectoryEditBox.setResponder(it -> {
+            targetDirectoryEditBox.setSuggestion(File.separator + modName);
+            checkTargetDirectory(targetDirectoryEditBox);
+        });
+        this.addRenderableWidget(targetDirectoryEditBox);
+        this.addRenderableWidget(
+                Button.builder(Component.literal("..."), (button) ->
+                                this.minecraft.setScreen(FileDialogScreen.create(
+                                                this,
+                                                FileDialogScreenOptions
+                                                        .builder()
+                                                        //.boundary(Blueberry.getGameDir()) // we probably don't need boundary
+                                                        .fileType(FileDialogScreenOptions.FileType.DIRECTORY)
+                                                        .initialDirectory(Blueberry.getModsDir())
+                                                        .title(BlueberryText.text("blueberry", "gui.screens.generate_mod.select.title"))
+                                                        .callback(file -> {
+                                                            if (file != null) {
+                                                                targetDirectory = file.getAbsolutePath();
+                                                            }
+                                                        })
+                                                        .build()
+                                        )
+                                )
+                        )
+                        .bounds(this.width / 2 - this.width / 6 + 6, offset, 20, 20)
                         .build());
+        checkTargetDirectory(targetDirectoryEditBox);
+    }
+
+    private void checkTargetDirectory(EditBox editBox) {
+        if (editBox.getValue().isBlank()) {
+            block(editBox);
+            return;
+        }
+        if (modName.isBlank()) {
+            editBox.setTextColor(0xFF0000);
+            editBox.setTooltip(Tooltip.create(Component.literal("Mod Name is empty").withStyle(ChatFormatting.RED)));
+            block(editBox);
+            return;
+        }
+        try {
+            File file = new File(editBox.getValue() + File.separator + modName);
+            if (file.exists()) {
+                editBox.setTextColor(0xFF0000);
+                editBox.setTooltip(Tooltip.create(Component.literal("Directory already exists").withStyle(ChatFormatting.RED)));
+                block(editBox);
+                return;
+            }
+        } catch (Exception e) {
+            editBox.setTextColor(0xFF0000);
+            editBox.setTooltip(Tooltip.create(Component.literal(e.getMessage()).withStyle(ChatFormatting.RED)));
+            block(editBox);
+            return;
+        }
+        targetDirectory = editBox.getValue();
+        editBox.setTextColor(0xFFFFFF);
+        editBox.setTooltip(null);
+        unblock(editBox);
+    }
+
+    private void block(Object blocker) {
+        if (!blockers.contains(blocker)) blockers.add(blocker);
+        generateButton.active = false;
+        generateButton.setTooltip(Tooltip.create(Component.literal("Blocked by:\n" + blockers.stream().map(o -> ((AbstractWidget) o).getMessage().getString()).collect(Collectors.joining("\n")))));
+    }
+
+    private void unblock(Object blocker) {
+        blockers.remove(blocker);
+        generateButton.active = blockers.isEmpty();
+        if (blockers.isEmpty()) {
+            generateButton.setTooltip(null);
+        } else {
+            generateButton.setTooltip(Tooltip.create(Component.literal("Blocked by:\n" + blockers.stream().map(o -> ((AbstractWidget) o).getMessage().getString()).collect(Collectors.joining("\n")))));
+        }
     }
 
     @Override
     public void render(@NotNull PoseStack poseStack, int mouseX, int mouseY, float deltaFrameTime) {
         renderBackground(poseStack);
+        for (var callback : callbacks) callback.accept(poseStack);
         super.render(poseStack, mouseX, mouseY, deltaFrameTime);
     }
 }
diff --git a/Blueberry-API/src/main/java/net/blueberrymc/client/main/ClientMain.java b/Blueberry-API/src/main/java/net/blueberrymc/client/main/ClientMain.java
index da5510fb..20c5f0f0 100644
--- a/Blueberry-API/src/main/java/net/blueberrymc/client/main/ClientMain.java
+++ b/Blueberry-API/src/main/java/net/blueberrymc/client/main/ClientMain.java
@@ -35,7 +35,7 @@ public static void main(@NotNull String@NotNull[] args) throws IOException {
         OptionSet set = optionParser.parse(args); // use args because we don't need --tweakClass here
         if (!set.has("assetsDir")) {
             LOGGER.info("Auto-detected .minecraft directory: " + FileUtil.getMinecraftDir().getAbsolutePath());
-            arguments.add("--assetsDir=" + new File(FileUtil.getMinecraftDir(), "assets").getAbsolutePath() + "");
+            arguments.add("--assetsDir=" + new File(FileUtil.getMinecraftDir(), "assets").getAbsolutePath());
         }
         ServerMain.launch(Side.CLIENT, arguments, set, gameDirOption, sourceDirOption, includeDirOption);
     }
diff --git a/Blueberry-API/src/main/java/net/blueberrymc/config/ModDescriptionFile.java b/Blueberry-API/src/main/java/net/blueberrymc/config/ModDescriptionFile.java
index cab6f27b..dfdc7402 100644
--- a/Blueberry-API/src/main/java/net/blueberrymc/config/ModDescriptionFile.java
+++ b/Blueberry-API/src/main/java/net/blueberrymc/config/ModDescriptionFile.java
@@ -17,7 +17,7 @@
 import java.util.regex.Pattern;
 
 public class ModDescriptionFile implements VersionedModInfo {
-    private static final Pattern MOD_ID_PATTERN = Pattern.compile("^[a-zA-Z0-9][a-zA-Z0-9_-]*$");
+    public static final Pattern MOD_ID_PATTERN = Pattern.compile("^[a-zA-Z0-9][a-zA-Z0-9_-]*$");
     private static final Logger LOGGER = LogManager.getLogger();
     @NotNull protected final String modId;
     @NotNull protected final String version;
diff --git a/Blueberry-API/src/main/java/net/minecraft/launchwrapper/Launch.java b/Blueberry-API/src/main/java/net/minecraft/launchwrapper/Launch.java
index bb6f90d1..fcbe10d8 100644
--- a/Blueberry-API/src/main/java/net/minecraft/launchwrapper/Launch.java
+++ b/Blueberry-API/src/main/java/net/minecraft/launchwrapper/Launch.java
@@ -160,7 +160,7 @@ private void launch(String[] args) {
             BlueberryPreBootstrap.destroyUniversalClassLoader();
             String launchTarget = Objects.requireNonNull(primaryTweaker).getLaunchTarget();
             // Class<?> clazz = Class.forName(launchTarget, false, classLoader);
-            Class<?> clazz = classLoader.findClass(launchTarget);
+            Class<?> clazz = Class.forName(launchTarget);
             LOGGER.info("Loaded class {} from {}", clazz.getTypeName(), ClasspathUtil.getClasspath(clazz));
             Method mainMethod = clazz.getMethod("main", String[].class);
             LOGGER.info("Launching wrapped minecraft {}", launchTarget);
diff --git a/Blueberry-API/src/main/resources/assets/blueberry/lang/en_us.json b/Blueberry-API/src/main/resources/assets/blueberry/lang/en_us.json
index 25d569a7..710e97cb 100644
--- a/Blueberry-API/src/main/resources/assets/blueberry/lang/en_us.json
+++ b/Blueberry-API/src/main/resources/assets/blueberry/lang/en_us.json
@@ -20,6 +20,11 @@
   "gui.screens.mods.reload.unsupported": "Reload not supported on this mod",
   "gui.screens.mods.reload.reload_tooltip": "Reload the mod (might not work on some mods!)",
   "gui.screens.generate_mod.title": "Generate a mod",
+  "gui.screens.generate_mod.mod_name": "Mod Name",
+  "gui.screens.generate_mod.mod_id": "Mod ID",
+  "gui.screens.generate_mod.target_directory": "Target Directory",
+  "gui.screens.generate_mod.generate": "Generate",
+  "gui.screens.generate_mod.select.title": "Select target directory",
   "gui.screens.mod_config.deprecated": "**Deprecated**",
   "gui.screens.mod_config.experimental": "**Experimental**",
   "gui.screens.mod_config.default": "[Default: %s]",