For modern players, Tomb Raider (2013) is the easiest entry point. For classic design history, start with the 1996 original.
They are related by franchise legacy but treated as different continuity eras in practical play terms.
It is a hybrid. Different entries shift emphasis, but exploration and traversal puzzles remain core pillars.
Yes, recommended: Tomb Raider (2013), Rise, then Shadow.
A new project is in development, but full release details are still pending.
Most entries are hub-structured action-adventure experiences rather than fully open-world sandboxes.