diff --git a/hosts/machine/kanade/home/default.nix b/hosts/machine/kanade/home/default.nix
index 33360d7..c57cb0d 100644
--- a/hosts/machine/kanade/home/default.nix
+++ b/hosts/machine/kanade/home/default.nix
@@ -21,7 +21,6 @@
     "${inputs.self}/modules/home/devtool/neovim.nix"
     "${inputs.self}/modules/home/devtool/ghostty.nix"
     "${inputs.self}/modules/home/devtool/zed.nix"
-    "${inputs.self}/modules/home/firefox-devedition.nix"
     ./config/git.nix
     ./config/shell.nix
   ];
diff --git a/hosts/machine/kanade/modules/homebrew/casks.nix b/hosts/machine/kanade/modules/homebrew/casks.nix
index 08ad7f2..11d6a71 100644
--- a/hosts/machine/kanade/modules/homebrew/casks.nix
+++ b/hosts/machine/kanade/modules/homebrew/casks.nix
@@ -11,9 +11,6 @@
   "signal"
   "zoom"
 
-  # Browsers
-  "firefox@developer-edition"
-
   # Productivity and design
   "camo-studio"
   "proton-drive"
diff --git a/hosts/server/natsu/default.nix b/hosts/server/natsu/default.nix
index 90ba444..1b29d32 100644
--- a/hosts/server/natsu/default.nix
+++ b/hosts/server/natsu/default.nix
@@ -12,6 +12,7 @@ nixpkgs.lib.nixosSystem {
     # ./services/attic.nix
     ./services/caddy.nix
     ./services/forgejo-runner.nix
+    ./services/limbo.nix
     ./services/stream.nix
     # ./services/harmonia.nix
     ./configuration.nix
diff --git a/hosts/server/natsu/services/limbo.nix b/hosts/server/natsu/services/limbo.nix
new file mode 100644
index 0000000..404c5dc
--- /dev/null
+++ b/hosts/server/natsu/services/limbo.nix
@@ -0,0 +1,20 @@
+{ ... }:
+
+{
+  systemd.services.limbo = {
+    description = "Minecraft Limbo Server";
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
+    wantedBy = [ "multi-user.target" ];
+
+    serviceConfig = {
+      Type = "simple";
+      User = "imnyang";
+      Group = "users";
+      WorkingDirectory = "/home/imnyang/minecraft/limbo";
+      ExecStart = "/home/imnyang/minecraft/limbo/pico_limbo --config /home/imnyang/minecraft/limbo/server.toml";
+      Restart = "always";
+      RestartSec = 5;
+    };
+  };
+}
diff --git a/modules/home/firefox-devedition.nix b/modules/home/firefox-devedition.nix
index 8ed8f1d..9a5d18e 100644
--- a/modules/home/firefox-devedition.nix
+++ b/modules/home/firefox-devedition.nix
@@ -1,258 +1,147 @@
-{ pkgs, lib, ... }:
+{ pkgs, ... }:
 
 let
-  inherit (pkgs.stdenv.hostPlatform) isDarwin isLinux;
-
   extensionUrl = "https://git.mizuki.guru/imnyang/thisiswindowsfigma/releases/download/v1.0.0/d168a70cb6a24fe4a478-1.0.0.xpi";
   extensionId = "figma-windows-ua-spoofer@imnyang.local";
-
-  profileName = "imnyang";
-  darwinProfilePath = "Profiles/${profileName}";
-
-  firefoxSettings = {
-    "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
-    "browser.uidensity" = 0;
-    "browser.theme.dark-private-windows" = false;
-  };
-
-  userChrome = ''
-    :root {
-      --mizuki-bg: #fcf8f9;
-      --mizuki-fg: #191017;
-      --mizuki-muted: #707d8a;
-      --mizuki-border: #f2e6ea;
-      --mizuki-surface: #fdf7f9;
-      --mizuki-hover: #8165700f;
-      --mizuki-active: #8165701a;
-      --mizuki-selection: #ecb7d5;
-    }
-
-    @media (prefers-color-scheme: dark) {
-      :root {
-        --mizuki-bg: #191017;
-        --mizuki-fg: #fafafa;
-        --mizuki-muted: #a9a9b1;
-        --mizuki-border: #2c1f2d;
-        --mizuki-surface: #191017;
-        --mizuki-hover: #2c1f2d80;
-        --mizuki-active: #2c1f2d;
-        --mizuki-selection: #604562;
-      }
-    }
-
-    #navigator-toolbox,
-    #TabsToolbar,
-    #nav-bar,
-    #PersonalToolbar,
-    #sidebar-box,
-    #sidebar-header {
-      background-color: var(--mizuki-bg) !important;
-      color: var(--mizuki-fg) !important;
-    }
-
-    #navigator-toolbox {
-      border-bottom: 1px solid var(--mizuki-border) !important;
-    }
-
-    #urlbar-background,
-    #searchbar {
-      background-color: var(--mizuki-surface) !important;
-      border-color: var(--mizuki-border) !important;
-      color: var(--mizuki-fg) !important;
-    }
-
-    #urlbar[focused] > #urlbar-background,
-    #searchbar:focus-within {
-      border-color: var(--mizuki-selection) !important;
-      box-shadow: 0 0 0 1px var(--mizuki-selection) !important;
-    }
-
-    .tab-background {
-      border-radius: 10px 10px 0 0 !important;
-    }
-
-    .tab-background[selected] {
-      background-color: var(--mizuki-active) !important;
-    }
-
-    .tabbrowser-tab:not([selected]):hover .tab-background,
-    toolbarbutton:hover,
-    #urlbar:hover > #urlbar-background {
-      background-color: var(--mizuki-hover) !important;
-    }
-
-    toolbarbutton[open],
-    toolbarbutton[checked],
-    toolbarbutton:active {
-      background-color: var(--mizuki-active) !important;
-    }
-
-    #TabsToolbar .tabbrowser-tab,
-    #urlbar-input,
-    #identity-icon-label,
-    toolbarbutton {
-      color: var(--mizuki-fg) !important;
-    }
-
-    .tabbrowser-tab:not([selected]) .tab-label,
-    #sidebar-title {
-      color: var(--mizuki-muted) !important;
-    }
-  '';
-
-  userContent = ''
-    @-moz-document url("about:home"), url("about:newtab"), url("about:privatebrowsing") {
-      body,
-      .outer-wrapper,
-      .activity-stream {
-        background: #fcf8f9 !important;
-        color: #191017 !important;
-      }
-
-      @media (prefers-color-scheme: dark) {
-        body,
-        .outer-wrapper,
-        .activity-stream {
-          background: #191017 !important;
-          color: #fafafa !important;
-        }
-      }
-    }
-  '';
-
-  userJs = lib.concatStringsSep "\n" (
-    lib.mapAttrsToList (name: value: ''user_pref(${builtins.toJSON name}, ${builtins.toJSON value});'') firefoxSettings
-  ) + "\n";
 in
-lib.mkMerge [
-  (lib.mkIf isLinux {
-    programs.firefox = {
-      enable = true;
-      package = pkgs.firefox-devedition;
+{
+  programs.firefox = {
+    enable = true;
+    package = pkgs.firefox-devedition;
 
-      policies = {
-        DisableAppUpdate = true;
-        ExtensionSettings = {
-          ${extensionId} = {
-            installation_mode = "force_installed";
-            install_url = extensionUrl;
-          };
+    policies = {
+      DisableAppUpdate = true;
+      ExtensionSettings = {
+        ${extensionId} = {
+          installation_mode = "force_installed";
+          install_url = extensionUrl;
         };
       };
+    };
 
-      profiles.${profileName} = {
-        id = 0;
-        name = profileName;
-        path = "${profileName}.default";
-        isDefault = true;
+    profiles.imnyang = {
+      id = 0;
+      name = "imnyang";
+      isDefault = true;
 
-        settings = firefoxSettings;
-        inherit userChrome userContent;
+      settings = {
+        "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+        "browser.uidensity" = 0;
+        "browser.theme.dark-private-windows" = false;
       };
-    };
 
-    xdg.mimeApps.defaultApplications = {
-      "text/html" = [ "firefox-devedition.desktop" ];
-      "x-scheme-handler/http" = [ "firefox-devedition.desktop" ];
-      "x-scheme-handler/https" = [ "firefox-devedition.desktop" ];
-      "x-scheme-handler/about" = [ "firefox-devedition.desktop" ];
-      "x-scheme-handler/unknown" = [ "firefox-devedition.desktop" ];
-    };
-  })
+      userChrome = ''
+        :root {
+          --mizuki-bg: #fcf8f9;
+          --mizuki-fg: #191017;
+          --mizuki-muted: #707d8a;
+          --mizuki-border: #f2e6ea;
+          --mizuki-surface: #fdf7f9;
+          --mizuki-hover: #8165700f;
+          --mizuki-active: #8165701a;
+          --mizuki-selection: #ecb7d5;
+        }
 
-  (lib.mkIf isDarwin {
-    home.activation.configureFirefoxDeveloperEdition = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
-      firefox_dir="$HOME/Library/Application Support/Firefox"
-      profiles_ini="$firefox_dir/profiles.ini"
+        @media (prefers-color-scheme: dark) {
+          :root {
+            --mizuki-bg: #191017;
+            --mizuki-fg: #fafafa;
+            --mizuki-muted: #a9a9b1;
+            --mizuki-border: #2c1f2d;
+            --mizuki-surface: #191017;
+            --mizuki-hover: #2c1f2d80;
+            --mizuki-active: #2c1f2d;
+            --mizuki-selection: #604562;
+          }
+        }
 
-      mkdir -p "$firefox_dir/Profiles"
+        #navigator-toolbox,
+        #TabsToolbar,
+        #nav-bar,
+        #PersonalToolbar,
+        #sidebar-box,
+        #sidebar-header {
+          background-color: var(--mizuki-bg) !important;
+          color: var(--mizuki-fg) !important;
+        }
 
-      profile_info=""
-      if [ -f "$profiles_ini" ]; then
-        profile_info=$(
-          awk '
-            function flush() {
-              if (in_profile && path != "") {
-                if (is_default == "1") {
-                  print is_relative "|" path
-                  found = 1
-                  exit
-                }
-                if (first == "") {
-                  first = is_relative "|" path
-                }
-              }
+        #navigator-toolbox {
+          border-bottom: 1px solid var(--mizuki-border) !important;
+        }
+
+        #urlbar-background,
+        #searchbar {
+          background-color: var(--mizuki-surface) !important;
+          border-color: var(--mizuki-border) !important;
+          color: var(--mizuki-fg) !important;
+        }
+
+        #urlbar[focused] > #urlbar-background,
+        #searchbar:focus-within {
+          border-color: var(--mizuki-selection) !important;
+          box-shadow: 0 0 0 1px var(--mizuki-selection) !important;
+        }
+
+        .tab-background {
+          border-radius: 10px 10px 0 0 !important;
+        }
+
+        .tab-background[selected] {
+          background-color: var(--mizuki-active) !important;
+        }
+
+        .tabbrowser-tab:not([selected]):hover .tab-background,
+        toolbarbutton:hover,
+        #urlbar:hover > #urlbar-background {
+          background-color: var(--mizuki-hover) !important;
+        }
+
+        toolbarbutton[open],
+        toolbarbutton[checked],
+        toolbarbutton:active {
+          background-color: var(--mizuki-active) !important;
+        }
+
+        #TabsToolbar .tabbrowser-tab,
+        #urlbar-input,
+        #identity-icon-label,
+        toolbarbutton {
+          color: var(--mizuki-fg) !important;
+        }
+
+        .tabbrowser-tab:not([selected]) .tab-label,
+        #sidebar-title {
+          color: var(--mizuki-muted) !important;
+        }
+      '';
+
+      userContent = ''
+        @-moz-document url("about:home"), url("about:newtab"), url("about:privatebrowsing") {
+          body,
+          .outer-wrapper,
+          .activity-stream {
+            background: #fcf8f9 !important;
+            color: #191017 !important;
+          }
+
+          @media (prefers-color-scheme: dark) {
+            body,
+            .outer-wrapper,
+            .activity-stream {
+              background: #191017 !important;
+              color: #fafafa !important;
             }
-            BEGIN { in_profile = 0; is_relative = "1" }
-            /^\\[Profile[0-9]+\\]$/ { flush(); in_profile = 1; path = ""; is_default = "0"; is_relative = "1"; next }
-            /^\\[/ { flush(); in_profile = 0; next }
-            in_profile && /^Path=/ { path = substr($0, 6); next }
-            in_profile && /^Default=1$/ { is_default = "1"; next }
-            in_profile && /^IsRelative=/ { is_relative = substr($0, 12); next }
-            END {
-              if (!found) {
-                flush()
-              }
-              if (!found && first != "") {
-                print first
-              }
-            }
-          ' "$profiles_ini"
-        )
-      fi
-
-      if [ -n "$profile_info" ]; then
-        is_relative="''${profile_info%%|*}"
-        profile_path="''${profile_info#*|}"
-        if [ "$is_relative" = "1" ]; then
-          profile_dir="$firefox_dir/$profile_path"
-        else
-          profile_dir="$profile_path"
-        fi
-      else
-        profile_dir="$firefox_dir/${darwinProfilePath}"
-        cat > "$profiles_ini" <<'EOF'
-[Profile0]
-Name=${profileName}
-IsRelative=1
-Path=${darwinProfilePath}
-Default=1
-
-[General]
-StartWithLastProfile=1
-Version=2
-EOF
-      fi
-
-      mkdir -p "$profile_dir/chrome"
-      cp ${pkgs.writeText "firefox-devedition-user.js" userJs} "$profile_dir/user.js"
-      cp ${pkgs.writeText "firefox-devedition-userChrome.css" userChrome} "$profile_dir/chrome/userChrome.css"
-      cp ${pkgs.writeText "firefox-devedition-userContent.css" userContent} "$profile_dir/chrome/userContent.css"
-    '';
-
-    home.file = {
-      "Library/Preferences/org.mozilla.firefoxdeveloperedition.plist".text = ''
-        <?xml version="1.0" encoding="UTF-8"?>
-        <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-        <plist version="1.0">
-        <dict>
-          <key>EnterprisePoliciesEnabled</key>
-          <true/>
-          <key>DisableAppUpdate</key>
-          <true/>
-          <key>ExtensionSettings</key>
-          <dict>
-            <key>${extensionId}</key>
-            <dict>
-              <key>installation_mode</key>
-              <string>force_installed</string>
-              <key>install_url</key>
-              <string>${extensionUrl}</string>
-            </dict>
-          </dict>
-        </dict>
-        </plist>
+          }
+        }
       '';
     };
-  })
-]
+  };
+
+  xdg.mimeApps.defaultApplications = {
+    "text/html" = [ "firefox-devedition.desktop" ];
+    "x-scheme-handler/http" = [ "firefox-devedition.desktop" ];
+    "x-scheme-handler/https" = [ "firefox-devedition.desktop" ];
+    "x-scheme-handler/about" = [ "firefox-devedition.desktop" ];
+    "x-scheme-handler/unknown" = [ "firefox-devedition.desktop" ];
+  };
+}