Configure your iPhone to trust your Apple ID.\n\n Open the Settings app and navigate to General > Device Management. Tap your Apple ID and select Trust (your Apple ID). Tap Trust to confirm. You can now use the AltStore!

AltStore 1.6.\n\n *Requires iOS 14.0 - 16.1. 2 (excluding 15.7. 2). iOS 16.2 or later not supported.

There's Rimworld with the tribal start (although you'll be fighting/dealing with more advanced factions but you yourself will be at the stone age). There are mods to restrict the whole world in the game to be one age and disable other events.

Once Human on Steam. Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory.