Is Game Development Dead? Fable 5 vs GPT-5.6 Showdown

Fable 5 and GPT-5.6 Sol Ultra battle to remake the classic 1996 RTS game Z using vibe coding. We compare gameplay, graphics, maps, vehicles, pathfinding, combat, and overall polish. Then we test a one-shot AI remake inspired by the original Stronghold and Doom to see whether AI can replace indie game developers. Tools used: Fable 5, GPT-5.6 Sol Ultra, Three.js, Zod Engine, GitHub AI game development, vibe coding, Fable 5, GPT-5.6, GPT-5.6 Sol Ultra, OpenAI GPT-5.6, Anthropic Fable, AI coding, AI game generator, game development AI, indie game development, Three.js game, Three.js RTS, RTS gam