diff --git a/steam.list b/steam.list
new file mode 100644
index 0000000..26cfb32
--- /dev/null
+++ b/steam.list
@@ -0,0 +1,2 @@
+deb [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam
+deb-src [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam
diff --git a/vivaldi.list b/vivaldi.list
new file mode 100644
index 0000000..9981087
--- /dev/null
+++ b/vivaldi.list
@@ -0,0 +1,3 @@
+### THIS FILE IS AUTOMATICALLY CONFIGURED ###
+# You may comment out this entry, but any other modifications may be lost.
+deb http://repo.vivaldi.com/archive/deb/ stable main