Chell (alternate version) from Portal

The image depicts Chell from Portal, an alternate version of the character. The woman has short black hair with a blue streak on the right side and is wearing an orange dress with white trim. Her attire includes a necklace featuring a dog tag pendant, which is likely a reference to her name or identity in the game. She holds a portal gun in front of her body, pointing it slightly downwards and to the right. The background of the image is blurred but appears to be a room or hallway within a building, with various objects visible on shelves and walls. Overall, the image captures Chell's unique style and personality from Portal.