Borderlands series video games, chronological release order, first-person shooter, role-playing, cel-shaded graphics, loot-driven gameplay, Pandora planet, Vault Hunters characters, cooperative multiplayer, single-player option, dynamic lighting, expansive environments, desert wasteland, futuristic city, alien technology, boss battles, NPC interactions, side quests, skill trees, character customization, weapon variety, comic book aesthetic, split-screen co-op, online multiplayer, action-packed scenes, humorous dialogue, post-apocalyptic setting, vibrant color palette, unique enemy designs, epic soundtrack, 3/4 view, detailed textures, high-resolution models.