import json, os

folder = r"c:\src\____GitProjects\target_simulator\archive_simulations"
for fn in os.listdir(folder):
    if not fn.endswith(".json"):
        continue
    p = os.path.join(folder, fn)
    try:
        with open(p, "r", encoding="utf-8") as f:
            j = json.load(f)
    except Exception:
        continue
    n = len(j.get("simulation_results", {}))
    if n >= 3:
        print(fn, n)