diff --git a/demos/doom/.democonfig b/demos/doom/.democonfig
new file mode 100644
index 000000000..ff7fa9750
--- /dev/null
+++ b/demos/doom/.democonfig
@@ -0,0 +1 @@
+iwad: doom.wad
diff --git a/demos/doom2/.democonfig b/demos/doom2/.democonfig
new file mode 100644
index 000000000..6a90aafa4
--- /dev/null
+++ b/demos/doom2/.democonfig
@@ -0,0 +1 @@
+iwad: doom2.wad
diff --git a/demos/plutonia/.democonfig b/demos/plutonia/.democonfig
new file mode 100644
index 000000000..0c1d22136
--- /dev/null
+++ b/demos/plutonia/.democonfig
@@ -0,0 +1 @@
+iwad: plutonia.wad
diff --git a/demos/tnt/.democonfig b/demos/tnt/.democonfig
new file mode 100644
index 000000000..7757c5c86
--- /dev/null
+++ b/demos/tnt/.democonfig
@@ -0,0 +1 @@
+iwad: tnt.wad