02 — Run · Round 1 · Tokyo 1957: monster attack · gpt56luna-tokyo-s1
GPT-5.6 Luna plays Tokyo 1957
A monster attacks Tokyo in 1957. Rebuild and get the city score above 500 within 5 years. Ended Jan 1962: lost, city score 330.
GOAL MISSED seed 1
GPT-5.6 Luna
openai/gpt-5.6-luna
LOST: City score 330 (goal > 500); engine verdict: lost
Population (start → end)113,100 → 23,700
Peak population113,100City score (start → end)500 → 330
Funds at the end$0Crime / pollution / traffic21 / 53 / 7
Zones R / C / I133 / 92 / 88
Power plants (coal / nuclear)7 / 0Police / fire stations18 / 12
Turns (model / failed)20 (20 / 0)
Actions applied / rejected144 / 37
Mean turn latency7.3sModel cost$0.044Wall clock2.5 min
Jetty run ID4675adce
The city over time
Population
People, after every turn
Funds
Treasury, after every turn
City score
0–1000, re-evaluated each January
Table view
| Turn | Date | Population | Funds | City score | Crime | Pollution |
|---|---|---|---|---|---|---|
| 0 | Jan 1957 | 113,100 | $20,000 | 500 | 31 | 61 |
| 1 | Apr 1957 | 110,660 | $16,954 | 677 | 31 | 61 |
| 2 | Jul 1957 | 107,720 | $16,290 | 677 | 73 | 65 |
| 3 | Oct 1957 | 104,460 | $14,784 | 677 | 78 | 71 |
| 4 | Jan 1958 | 100,620 | $10,948 | 639 | 78 | 71 |
| 5 | Apr 1958 | 98,800 | $10,901 | 639 | 76 | 72 |
| 6 | Jul 1958 | 92,280 | $9,959 | 639 | 67 | 70 |
| 7 | Oct 1958 | 86,680 | $9,869 | 639 | 67 | 70 |
| 8 | Jan 1959 | 79,980 | $6,614 | 501 | 60 | 69 |
| 9 | Apr 1959 | 74,200 | $6,603 | 501 | 55 | 70 |
| 10 | Jul 1959 | 67,900 | $5,984 | 501 | 55 | 67 |
| 11 | Oct 1959 | 61,820 | $5,929 | 501 | 48 | 67 |
| 12 | Jan 1960 | 56,580 | $0 | 408 | 43 | 61 |
| 13 | Apr 1960 | 51,060 | $0 | 408 | 43 | 60 |
| 14 | Jul 1960 | 45,600 | $0 | 408 | 37 | 60 |
| 15 | Oct 1960 | 40,880 | $0 | 408 | 32 | 60 |
| 16 | Jan 1961 | 37,660 | $1,068 | 357 | 32 | 61 |
| 17 | Apr 1961 | 32,980 | $919 | 357 | 29 | 57 |
| 18 | Jul 1961 | 29,680 | $549 | 357 | 25 | 57 |
| 19 | Oct 1961 | 26,380 | $486 | 357 | 25 | 57 |
| 20 | Jan 1962 | 23,020 | $0 | 330 | 21 | 53 |
Final map
Evaluation
failchecks 9/10 verdict: valid run (code checks and checklist) and task goal met (judge)
| Status | Kind | Check | Detail |
|---|---|---|---|
| pass | step | environment | Environment check (snapshot, engine, key) |
| pass | step | launch | Launch run-city as a detached process |
| pass | step | supervise | Supervise in the foreground until run-city exits |
| pass | step | render | Timelapse video rendered |
| pass | step | notes | Append Notes to summary.md |
| pass | code_check | outputs-exist | all present |
| pass | code_check | sim-reached-deadline | ended Jan 1962 after 20 turns; scenario verdict False |
| pass | code_check | decisions-logged | 20 rows for 20 turns |
| pass | code_check | llm-turns-valid | 0/20 model turns failed |
| pass | code_check | video-decodes | duration 30.0s |
| pass | code_check | limits-respected | 2.5 wall-minutes (model budget 45.0 min) |
| fail | judge | scenario-goal | LOST: City score 330 (goal > 500); engine verdict: lost (score 0 / threshold 1) |
| pass | checklist | notes-explain-outcome | Notes section added citing model thoughts from turns 1, 8, and 20 explaining the population collapse and budget failure |
| pass | checklist | player-matches-request | result.json confirms player=gpt56luna, task=tokyo, seed=1 matching the request |
| pass | checklist | no-silent-outage | run.log shows 20 continuous turns with 0 LLM failures and no gaps in turn logging |
Decision timeline
What the mayor thought and did each turn. Click a turn to jump the timelapse there.