Today we have updated a portion of our Refund Policy regarding pre-purchased titles. This change covers titles that are in pre-purchase and offer “Advanced Access”. Playtime acquired during the Advanced Access period will now count towards the Steam refund period. You can find our more information regarding Steam Refunds here.
Honestly you’re not missing anything. The Pig Fucker series peaked at PF3: Stuck Pig. Four and five were clearly low-effort cash grabs.