The Steam Summer Sale is happening for the next two weeks (June 11th - 21st, 2015). There, you can get both Al Emmo and the Lost Dutchman's Mine (http://store.steampowered.com/app/296850) and Postcards from Anozira (http://store.steampowered.com//app/375020) for 60% off!
You can even pick up the Al Emmo Double Pack (http://store.steampowered.com/sub/69979/) which includes both Al Emmo games for just $5.19 USD. Giddy-up and get your western fix!