Team Fortress 2 character, birthday party, festive hat, confetti, balloons, streamers, cake with candles, gift boxes, cartoon style, cheerful pose, smiling, group of characters, multiplayer game setting, indoor environment, decorated room, colorful banners, party table, soft lighting, dynamic angle, medium shot, vibrant textures, detailed costumes, playful interaction, fun atmosphere, action-packed, celebratory mood, digital painting, high resolution, detailed expressions, lively, joyful scene.