02 — Run · Round 1 · Tokyo 1957: monster attack · sonnet5-tokyo-s1
Claude Sonnet 5 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 333.
GOAL MISSED seed 1
Claude Sonnet 5
anthropic/claude-sonnet-5
LOST: City score 333 (goal > 500); engine verdict: lost
Population (start → end)113,100 → 23,800
Peak population113,100City score (start → end)500 → 333
Funds at the end$2,998Crime / pollution / traffic22 / 51 / 9
Zones R / C / I129 / 91 / 80
Power plants (coal / nuclear)8 / 0Police / fire stations18 / 4
Turns (model / failed)20 (20 / 0)
Actions applied / rejected95 / 36
Mean turn latency10.0sModel cost$0.388Wall clock3.4 min
Jetty run ID58cccc15
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 | 63 |
| 1 | Apr 1957 | 108,360 | $19,978 | 668 | 31 | 63 |
| 2 | Jul 1957 | 103,720 | $19,862 | 668 | 74 | 65 |
| 3 | Oct 1957 | 97,800 | $19,751 | 668 | 79 | 68 |
| 4 | Jan 1958 | 90,500 | $17,940 | 560 | 79 | 68 |
| 5 | Apr 1958 | 83,920 | $17,420 | 560 | 66 | 70 |
| 6 | Jul 1958 | 78,760 | $17,420 | 560 | 60 | 64 |
| 7 | Oct 1958 | 75,620 | $17,420 | 560 | 60 | 64 |
| 8 | Jan 1959 | 71,640 | $15,163 | 486 | 57 | 64 |
| 9 | Apr 1959 | 65,900 | $15,149 | 486 | 52 | 63 |
| 10 | Jul 1959 | 60,520 | $14,528 | 486 | 52 | 59 |
| 11 | Oct 1959 | 56,500 | $14,469 | 486 | 44 | 59 |
| 12 | Jan 1960 | 50,980 | $11,240 | 415 | 40 | 59 |
| 13 | Apr 1960 | 45,760 | $11,235 | 415 | 40 | 57 |
| 14 | Jul 1960 | 42,300 | $10,606 | 415 | 37 | 57 |
| 15 | Oct 1960 | 38,340 | $10,565 | 415 | 32 | 55 |
| 16 | Jan 1961 | 34,880 | $7,175 | 355 | 32 | 54 |
| 17 | Apr 1961 | 32,440 | $7,165 | 355 | 29 | 50 |
| 18 | Jul 1961 | 28,900 | $7,153 | 355 | 26 | 50 |
| 19 | Oct 1961 | 25,600 | $7,153 | 355 | 26 | 51 |
| 20 | Jan 1962 | 23,520 | $2,998 | 333 | 22 | 51 |
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 | 3.4 wall-minutes (model budget 45.0 min) |
| fail | judge | scenario-goal | LOST: City score 333 (goal > 500); engine verdict: lost (score 0 / threshold 1) |
| pass | checklist | notes-explain-outcome | Notes section explains monster-driven score decline, cites model thoughts from turns 1, 10, and 20 |
| pass | checklist | player-matches-request | result.json shows player=sonnet5, task=tokyo, seed=1 matching the requested parameters |
| pass | checklist | no-silent-outage | run.log shows 20 turns with 0 failures and no stretches of empty turns |
Decision timeline
What the mayor thought and did each turn. Click a turn to jump the timelapse there.