Download-iron-marines-invasion-v0-univ-64bit-os110-ok14-user-hidden-bfi2-ipa

these are internal tracking tags or "scene tags" used by third-party hosting sites or automated cracking tools to identify the specific upload batch or the user who bypassed the Digital Rights Management (DRM). Security & Risk Assessment

Because this file originates from an unofficial source (outside the Apple App Store), it carries significant risks:

Indicates the app is built for 64-bit ARM processors (A7 chips and later), which has been the standard for iOS devices for several years. these are internal tracking tags or "scene tags"

Apple frequently revokes the enterprise certificates used to sign these unofficial IPAs, which may cause the game to crash or refuse to launch after a few days.

Iron Marines Invasion . This is a real-time strategy (RTS) game developed by Ironhide Game Studio , the creators of the Kingdom Rush series. Iron Marines Invasion

Files with "hidden" or "user" tags in the name are often modified. Third parties can inject keyloggers or data-exfiltration scripts into the IPA before re-packaging it.

Sideloaded apps do not receive automatic security patches or content updates from the developer. these are internal tracking tags or "scene tags"

This suggests a minimum system requirement of iOS 11.0 .