Ugh Zan III is the final boss of the game. We cannot kill him due to his power and regeneration, so for now, we can only run towards the ship and try to board it, which was out goal all along.
At the entrance to the Great Pyramid, we have to wait for the doors to open. The bar we see is a timer. Yes, that's binary.

GAME: Serious Sam: The First Encounter
PLAYED ON: PC
DIFFICULTY: normal
LEVEL: The Great Pyramid
DATE OF RECORDING: 2025/01/09