The video shows a first-person view of a player in a game, building a structure using various blocks. The player places blocks in a specific pattern to create a square shape with a hole in the center. The player then adds a green substance to the hole, which appears to be a type of liquid or fluid. The player continues to build the structure, adding more blocks and green substance to create a larger square shape. The player's inventory is visible at the bottom of the screen, showing the different types of blocks and materials they are using. The game environment appears to be a flat, sandy terrain with no other structures or objects in sight.