A sleek, rectangular keycard with a matte black finish, featuring a subtle brushed metal texture on the surface. The edges are slightly rounded for a comfortable grip, and the front is adorned with a minimalist white stripe pattern and a small, glowing red LED indicator near the top. The back has a magnetic strip and a faintly embossed serial number for authenticity. The design reflects the brutalist architecture of the game, with clean lines and a functional, no-nonsense aesthetic.