Uncharted 4: Survival is a wave-based video game where players take on swarms of enemies such as Shoreline mercenaries, armoured brutes, snipers, hunters and more. Experience 50 waves across 10 maps with up to two or your friends. Every 10 waves lead to a boss battle. To stay alive your need to follow objectives and victory depends on defending particular areas and collecting treasures within the time limit.