What is the ESRB rating and genre of The Sims™ 4 Life & Death Expansion Pack?

The ESRB rating is T - Teen, and the genre is Simulation.

What new features does The Sims™ 4 Life & Death Expansion Pack introduce for gameplay?

The expansion pack allows players to build a Bucket List for their Sims, explore a new world, pursue a career with Grim, and engage in customizable grieving rituals. It also introduces new traits, ghostly skills, and the ability for ghosts to interact with the living.