Original NES Castlevania free for a limited time

Konami is offering the original NES Castlevania for free on iOS and Android as part of the 40th anniversary celebration. This promotion is available until October 26th. The iOS link is here: https://apps.apple.com/us/app/castlevania-40th-anniversary/id1498019884, and the Android version can be found here: https://play.google.com/store/apps/details?id=nia1&pli=1.

This deal is noteworthy because the game is normally paid, making this a rare opportunity to get the classic Castlevania for free during the limited promotion window. No special code is needed; just download the game before the deadline.