Serious Sam: The First Encounter is an Action, FPS, Co-op, Shooting, Single-player, and Multiplayer video game where the player can play from a first-person perspective, offered by Croteam. During the gameplay, the player takes on the role of a protagonist named Sam, whose main objective is to face a lot of enemies from an unknown world who wants to destroy humanity. The game serves as the first episode in the series of Serious Sam.

The player needs to avoid the enemies by dodging in the playfield where enemies will attack from all the directions to take over the protagonist and, once the health loses, the player can’t recover the health and armor. The levels of the game contain several arenas where each arena has a different number of dangerous enemies, and the player needs to defeat all the present enemies to get to advance in the gameplay.

The game takes place in the pyramids of Egypt, where enemies can turn into gigantic robots and equips a rocket launcher with them to distort the protagonist. The multiplayer mode allows more than 15 players to play an online co-op match where each player can interact with the other like in a battle royale gameplay. The game also offers different weapons to defeat the enemies, such as Cannon, Shotgun, and a lot more.

Serious Sam: The First Encounter has core features, such as Dangerous Enemies, Several Arenas, First-person View, Advanced Weapons, Open-world, and Multiplayer Mode.