post-apocalyptic setting, vibrant cel-shaded graphics, Borderlands 1 characters, Borderlands 2 improved gameplay mechanics, dynamic lighting, expansive open-world, desert wasteland, futuristic city ruins, aggressive skags, psychos enemies, diverse weapon arsenal, loot system, co-op multiplayer, first-person shooter, RPG elements, character skill trees, Handsome Jack villain, Claptrap robot sidekick, Pandora planet, intense gunfights, vehicle combat, humorous dialogue, unique art style, boss battles, side quests, character customization, split-screen option, online multiplayer, high replay value, 3/4 angle view, action-packed scenes, detailed textures, enhanced character models.