Judith Mossman from Half-Life 2 is a mature adult female with a meticulously detailed and anatomically realistic face, adhering to golden ratio principles that ensure proportional accuracy and symmetry. Her oval-shaped face features a broad forehead measuring 10.5 cm (4.1 inches) in width and 9.7 cm (3.8 inches) in height, transitioning seamlessly into high, prominent cheekbones that span 12.5 cm (4.9 inches) across and project subtly outward, enhancing her midface structure without overwhelming her other features. The jawline, slightly angular and measuring 9 cm (3.5 inches) in length, tapers naturally into a slightly pointed chin with a forward projection of 2 cm (0.8 inches) and a width of 4.5 cm (1.8 inches), creating a cohesive and proportionate lower face. Her facial proportions are divided into balanced thirds: the forehead occupies the upper third, the midface encompasses the eyes, nose, and upper cheeks, and the lower face includes the lips and chin, contributing to a harmonious and aesthetically pleasing appearance. Her skin is fair, classified as Fitzpatrick Scale Type II with warm peach undertones (HEX Code: #F3D4C6), smooth and hydrated, with a natural glow that is free of blemishes or imperfections. The pores are barely visible, approximately 0.02 mm in diameter, most prominent on the cheeks and nose, adding to the photorealistic rendering of her skin. Her almond-shaped eyes, slightly upturned at the outer corners, are symmetrically positioned along the horizontal midline of her face, lending a composed and intelligent expression. Measuring 3.1 cm (1.2 inches) in horizontal width and 1.3 cm (0.5 inches) in vertical height, with a spacing of 2.8 cm (1.1 inches) between the inner corners, her eyes maintain proportionality with the rest of her face. The irises are vivid green, categorized as Martin–Schultz Scale Level 3, displaying intricate radial striations and a subtle depth that enhances their natural vibrancy, while the pupils are perfectly round and measure 3 mm (0.12 inches) in diameter. The sclera is bright white and free of discoloration, further emphasizing the clarity of her gaze. These eyes are framed by naturally arched eyebrows that measure 6 cm (2.4 inches) in length, slightly darker than her hair, with a medium thickness that remains uniform throughout their length. The eyebrows have a gentle peak with an arch height of 7 mm (0.27 inches) above the outer iris, complementing the curvature of her facial features and contributing to the overall symmetry of her design. Her nose is straight with a narrow bridge measuring 1.5 cm (0.6 inches) in width, a rounded tip, and symmetrical, slightly flared nostrils. It measures 4.8 cm (1.9 inches) in length, with a tip projection of 1.8 cm (0.7 inches), and aligns perfectly with her midface proportions, contributing to a balanced and natural profile. The nasofrontal angle of 130° and the nasolabial angle of 102° further emphasize the proportionate structure of her nose within her facial framework. Her lips are moderately full and balanced, with the upper lip featuring a defined Cupid’s bow and a slight downward curve at the corners, while the lower lip is fuller and softly rounded, creating a natural and visually appealing contrast. The mouth spans 5.2 cm (2 inches) in width, with an upper lip height of 7 mm (0.28 inches) and a lower lip height of 1.2 cm (0.47 inches). The philtrum is well-defined, measuring 12 mm (0.47 inches) in length, with a subtle indentation that transitions seamlessly into the upper lip, and the area around her mouth displays smooth, hydrated skin with a slight natural gloss that reflects her lifelike appearance. Her ears are medium-sized, oval-shaped, and symmetrically positioned on either side of her head, slightly angled outward and aligned with the outer corners of her eyes. They measure 5 cm (2 inches) in height and 2.5 cm (0.98 inches) in width, with smooth contours and realistic cartilage detailing, neither overly prominent nor recessed, ensuring proportionality with her other facial features. Her hair is medium brown with warm chestnut undertones and subtle highlights that catch the light in varying conditions, adding depth and realism to her appearance. Styled in a neat and practical low bun, the hair is smooth, polished, and even in density, with a texture that reflects meticulous grooming and maintenance. The hairline is natural and evenly rounded, free of thinning or irregularities, further enhancing her professional and composed demeanor. Her overall facial composition, including the proportions of her cheekbones, jawline, and chin, as well as the symmetry of her eyes, eyebrows, nose, and lips, reflects a meticulous attention to detail and a commitment to anatomical accuracy, creating a photorealistic and lifelike representation of her character. This precision extends to the lighting and shading, which are carefully calculated to emphasize depth and dimension, with highlights and shadows that correspond naturally to the contours of her face. Judith Mossman’s face is a testament to the blend of realism, proportionality, and character-driven design, perfectly embodying her composed, intelligent, and professional persona in Half-Life 2, with every detail—from the texture of her skin to the natural gloss of her lips and the subtle curvature of her eyebrows—crafted to enhance her photorealistic and grounded aesthetic.