02 — Run · Round 1 · Tokyo 1957: monster attack · gpt56terra-tokyo-s2
GPT-5.6 Terra 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 237.
GOAL MISSED seed 2
GPT-5.6 Terra
openai/gpt-5.6-terra
LOST: City score 237 (goal > 500); engine verdict: lost
Population (start → end)113,100 → 31,020
Peak population113,100City score (start → end)500 → 237
Funds at the end$0Crime / pollution / traffic32 / 48 / 12
Zones R / C / I132 / 92 / 80
Power plants (coal / nuclear)5 / 0Police / fire stations18 / 9
Turns (model / failed)20 (20 / 0)
Actions applied / rejected77 / 4
Mean turn latency16.0sModel cost$0.547Wall clock5.4 min
Jetty run ID2cf5d9c4
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 | 64 |
| 1 | Apr 1957 | 108,620 | $16,575 | 666 | 31 | 64 |
| 2 | Jul 1957 | 106,160 | $16,575 | 666 | 72 | 69 |
| 3 | Oct 1957 | 101,380 | $16,452 | 666 | 81 | 68 |
| 4 | Jan 1958 | 96,340 | $13,655 | 470 | 81 | 68 |
| 5 | Apr 1958 | 91,960 | $12,828 | 470 | 93 | 67 |
| 6 | Jul 1958 | 87,040 | $12,103 | 470 | 85 | 66 |
| 7 | Oct 1958 | 80,380 | $9,059 | 470 | 85 | 66 |
| 8 | Jan 1959 | 76,040 | $6,315 | 378 | 55 | 64 |
| 9 | Apr 1959 | 70,460 | $3,303 | 378 | 46 | 63 |
| 10 | Jul 1959 | 63,760 | $287 | 378 | 46 | 63 |
| 11 | Oct 1959 | 58,780 | $254 | 378 | 53 | 63 |
| 12 | Jan 1960 | 54,900 | $0 | 273 | 49 | 60 |
| 13 | Apr 1960 | 50,980 | $0 | 273 | 49 | 57 |
| 14 | Jul 1960 | 47,260 | $0 | 273 | 45 | 57 |
| 15 | Oct 1960 | 43,140 | $0 | 273 | 41 | 56 |
| 16 | Jan 1961 | 39,140 | $0 | 225 | 41 | 55 |
| 17 | Apr 1961 | 36,440 | $0 | 225 | 37 | 53 |
| 18 | Jul 1961 | 33,940 | $0 | 225 | 34 | 53 |
| 19 | Oct 1961 | 32,340 | $0 | 225 | 34 | 51 |
| 20 | Jan 1962 | 30,780 | $0 | 237 | 32 | 48 |
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 | 5.4 wall-minutes (model budget 45.0 min) |
| fail | judge | scenario-goal | LOST: City score 237 (goal > 500); engine verdict: lost (score 0 / threshold 1) |
| pass | checklist | notes-explain-outcome | Notes section explains the outcome with model quotes from turns 1, 5, 10 and 20 covering the monster attack and bankruptcy spiral |
| pass | checklist | player-matches-request | result.json confirms player=gpt56terra, task=tokyo, seed=2 matching the requested parameters |
| pass | checklist | no-silent-outage | run.log shows 20 turns logged with 0 llm_failures, no stretches of failed or empty turns |
Decision timeline
What the mayor thought and did each turn. Click a turn to jump the timelapse there.