Simple FPS Photon Engine

Make YOUR OWN Multiplayer FPS (2023 – Unity, Photon PUN 2)

FPS Sample Game from Unity Technologies (fully functional, first person multiplayer shooter game made in Unity and with full source and assets) : r/gamedev

Mars Modular Multiplayer Photon FPS Kit - Free Download - Unity Asset Free

Unreal Engine Multiplayer with Photon Cloud - The Gabmeister

Quantum 1 Intro

A quick look at some options for multiplayer in Unity : r/Unity3D

MFPS 2.0 Multiplayer FPS v1.8.2 - Free Unity Game Asset

Synchronize vertical mouse look in multiplayer FPS? : r/Unity3D

FPS Engine - WIP games, tools & toy projects - JVM Gaming

Photon battle of the Chibi Photonic hunters!