Since you cannot download compatible versions directly from the modern App Store in most cases, you will need to "sideload" the file. 1. Jailbreaking (Recommended)

: A computer running an older version of iTunes (v12.6.5 or older) or a tool like Sideloadly or 3uTools is required to transfer the IPA package. Finding a Compatible Subway Surfers Version

Since the official Apple App Store no longer hosts these 32-bit versions, you must use alternative sideloading methods: com.kiloo.subwaysurfers - Internet Archive

Apple no longer allows downloading obsolete versions for iOS 5.1.1, so many archivists consider this . That said, SYBO still holds the copyright. This guide is for educational and preservation purposes. If you want to support the developers, download the modern version on a newer device or buy a hoverboard skin.