# A one-person studio shipped a Steam demo of a 12-chapter FPS coded by AI agents in 20 working days. Here is what the agents could and could not do. > Source: > Published: 2026-10-30 10:00:23+00:00 I am Ekin, a one-person game studio in Turkey. On 28 October the free demo of Iron Curtain Call went live on Steam: a fast cartoon-noir FPS set in an alternate 1965 where a customer-service AI runs World War III. The code is written by Claude Code agents working from my design documents: 3,929 commi