diff --git a/nix/configurations/vanadium/home/programs.nix b/nix/configurations/vanadium/home/programs.nix
index 00893da8..17437753 100644
--- a/nix/configurations/vanadium/home/programs.nix
+++ b/nix/configurations/vanadium/home/programs.nix
@@ -22,11 +22,6 @@ in {
         pkgs.poppler_utils # pdfseparate, pdfunite
         myPkgs.easyscan
 
-        # fun
-        myPkgs.prop-solveur
-        myPkgs.hbrainfuck
-        pkgs.lucky-commit
-
         # research
         myPkgs.necrolib
 
diff --git a/nix/environments/fun.nix b/nix/environments/fun.nix
new file mode 100644
index 00000000..0c0eebbe
--- /dev/null
+++ b/nix/environments/fun.nix
@@ -0,0 +1,15 @@
+{
+  buildEnv,
+  #
+  myPkgs,
+  pkgs,
+}:
+buildEnv {
+  name = "fun";
+
+  paths = [
+    myPkgs.prop-solveur
+    myPkgs.hbrainfuck
+    pkgs.lucky-commit
+  ];
+}