diff --git a/hosts/hakase/configuration.nix b/hosts/hakase/configuration.nix
index 254d326..26fe486 100644
--- a/hosts/hakase/configuration.nix
+++ b/hosts/hakase/configuration.nix
@@ -21,6 +21,15 @@
     wget
     protontricks
   ];
+  environment.sessionVariables = {
+    PROTON_USE_NTSYNC = "1";
+    ENABLE_HDR_WSI = "1";
+    DXVK_HDR = "1";
+    PROTON_ENABLE_AMD_AGS = "1";
+    PROTON_ENABLE_NVAPI = "1";
+    ENABLE_GAMESCOPE_WSI = "1";
+    STEAM_MULTIPLE_XWAYLANDS = "1";
+  };
 
   users = {
     defaultUserShell = pkgs.${myConfig.general.Terminal.shell};
@@ -46,16 +55,40 @@
 
   hardware.logitech.wireless.enable = true;
   hardware.bluetooth.enable = true;
+  hardware.bluetooth.settings = {
+    General = {
+      MultiProfile = "multiple";
+      FastConnectable = true;
+    };
+  };
   hardware.bluetooth.powerOnBoot = true;
+  hardware.amdgpu.initrd.enable = true;
   hardware.graphics = {
     enable = true;
     enable32Bit = true;
   };
 
   i18n.defaultLocale = "en_US.UTF-8";
-  time.timeZone = "${myConfig.nixos.Timezone}";
+  # time.timeZone = "${myConfig.nixos.Timezone}";
+
+  boot.kernelParams = ["quiet"];
+  boot.kernelPackages = pkgs.linuxPackages_cachyos;
+  boot.kernel.sysctl = {
+    "kernel.split_lock_mitigate" = 0;
+    "kernel.nmi_watchdog" = 0;
+    "kernel.sched_bore" = "1";
+  };
+  boot.initrd = {
+    systemd.enable = true;
+    kernelModules = [];
+    verbose = false;
+  };
+  boot.plymouth.enable = true;
+  systemd.extraConfig = "DefaultTimeoutStopSec=5s";
 
   boot.loader = {
+    timeout = 0;
+    limine.maxGenerations = 3;
     systemd-boot = lib.mkIf (myConfig.nixos.Boot.mode == "systemd") {
       enable = true;
     };
@@ -89,32 +122,30 @@
   };
 
   services = {
+    flatpak.enable = true;
+    automatic-timezoned.enable = true;
     displayManager = {
       autoLogin.enable = true;
       autoLogin.user = "kenji";
       gdm.enable = true;
     };
     upower.enable = true;
+    seatd.enable = true;
     scx.enable = true; # by default uses scx_rustland scheduler
     libinput.enable = true;
     blueman.enable = true;
     printing.enable = true;
     openssh.enable = true;
-    pipewire = {
-      enable = true;
-      alsa.enable = true;
-      alsa.support32Bit = true;
-      pulse.enable = true;
-
-      # lowLatency = {
-      #   enable = true;
-      #   quantum = 64;
-      #   rate = 48000;
-      # };
-    };
   };
+
   # make pipewire realtime-capable
   security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
 
   nix = {
     distributedBuilds = true;
@@ -143,7 +174,9 @@
     proxy.noProxy = null;
   };
 
-  boot.kernelPackages = pkgs.linuxPackages_cachyos;
+  xdg.portal.enable = true;
+  xdg.portal.config.common.default = "*";
+  xdg.portal.extraPortals = [pkgs.xdg-desktop-portal-gtk];
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.