diff --git a/home/vscode.nix b/home/vscode.nix
index 0c1bf95..214a060 100644
--- a/home/vscode.nix
+++ b/home/vscode.nix
@@ -11,6 +11,7 @@
       jnoortheen.nix-ide
       editorconfig.editorconfig
       github.github-vscode-theme
+      github.codespaces
     ];
     userSettings = {
       "workbench.colorTheme" = "GitHub Dark Default";
@@ -18,10 +19,10 @@
       "nix.enableLanguageServer" = true;
       "nix.serverPath" = "nixd";
       "editor.fontFamily" = "IBM Plex Mono";
-      "editor.fontSize" = 15;
+      "editor.fontSize" = 16;
       "editor.wordWrap" = "on";
 
-      # vim mode
+      # vim mode settings
       "vim.handleKeys" = {
         "<C-b>" = false; # file tree toggle
       };
@@ -32,6 +33,7 @@
           "silent" = true;
         }
       ];
+      "workbench.startupEditor" = "none";
     };
   };
 }
diff --git a/overlay/default.nix b/overlay/default.nix
index 99fc17b..5b6a9a8 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -2,6 +2,7 @@ let
   overlays = [
     ./conduwuit
     ./attic
+    ./vscode.nix
   ];
   importedOverlays = map (m: import m) overlays;
 in
diff --git a/overlay/vscode.nix b/overlay/vscode.nix
new file mode 100644
index 0000000..4de2d90
--- /dev/null
+++ b/overlay/vscode.nix
@@ -0,0 +1,14 @@
+final: prev: {
+  vscode-extensions = prev.vscode-extensions // {
+    github = prev.vscode-extensions.github // {
+      codespaces = prev.vscode-utils.buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          publisher = "github";
+          name = "codespaces";
+          version = "1.17.3";
+          hash = "sha256-idJFYHJ4yeqpFZBX55Y0v1yfzgqyhS0MrC4yIto7i7w=";
+        };
+      };
+    };
+  };
+}