A bit late on this one as the bundles run out tonight (so act fast!), but Indiegala have released a number of Halloween themed bundles that are worth looking into;
Halloween bundles on Galastore!
Amazing Horror, ghosts and zombie games but not only! Paywhatyouwant with a minimum, beat the average to get the full bundle for each offer!
ALL THE GAMES ARE AVAILABLE IN FORM OF STEAM KEYS
Halloween bundles are available only for 24 hours!
Click on the above images to get involved!