diff --git a/games/age-of-dwarves/guide/e2e/diag.spec.ts b/games/age-of-dwarves/guide/e2e/diag.spec.ts
index 0475c654..a421bc4c 100644
--- a/games/age-of-dwarves/guide/e2e/diag.spec.ts
+++ b/games/age-of-dwarves/guide/e2e/diag.spec.ts
@@ -2,42 +2,41 @@ import { test, expect } from '@playwright/test'
 
 const BASE_URL = '/climate/simulation?noGui=true&skip=welcome&totalTurns=50&buffer=0'
 
-test('diagnose simulation - find 404s and worker failures', async ({ page }) => {
-  const messages: string[] = []
-  const errors: string[] = []
-  const notFoundResources: string[] = []
+test('diagnose - timing of events', async ({ page }) => {
+  const t0 = Date.now()
+  const log = (label: string): void => console.log(`[+${((Date.now() - t0) / 1000).toFixed(1)}s] ${label}`)
 
   page.on('console', msg => {
-    const text = msg.text()
-    if (msg.type() === 'error' || text.includes('404') || text.includes('failed') || text.includes('error')) {
-      messages.push(`[page:${msg.type()}] ${text}`)
-    }
-  })
-  page.on('pageerror', err => errors.push(`[pageerror] ${err.message}`))
-
-  page.on('response', res => {
-    if (res.status() === 404 || res.status() >= 400) {
-      notFoundResources.push(`${res.status()} ${res.url()}`)
-    }
-  })
-
-  page.on('requestfailed', req => {
-    notFoundResources.push(`FAILED: ${req.url()} — ${req.failure()?.errorText}`)
+    if (msg.type() === 'error') log(`ERROR: ${msg.text()}`)
   })
+  page.on('pageerror', err => log(`PAGE_ERROR: ${err.message}`))
 
   page.on('worker', (worker) => {
-    messages.push(`[WORKER CREATED] ${worker.url()}`)
+    log(`WORKER CREATED: ${worker.url().slice(-40)}`)
+  })
+
+  page.on('response', res => {
+    if (res.url().includes('sim-cache')) {
+      log(`SIM-CACHE RESPONSE: ${res.status()} ${res.url().slice(-50)}`)
+    }
   })
 
   await page.goto(BASE_URL)
-  await page.waitForTimeout(15000)
+  log('page loaded')
 
-  console.log('=== ERROR/RELEVANT CONSOLE MESSAGES ===')
-  for (const m of messages) console.log(m)
-  console.log('=== PAGE ERRORS ===')
-  for (const e of errors) console.log(e)
-  console.log('=== 404 / FAILED RESOURCES ===')
-  for (const r of notFoundResources) console.log(r)
+  // Poll for canvas every 5 seconds, up to 180 seconds
+  for (let i = 0; i < 36; i++) {
+    await page.waitForTimeout(5000)
+    const canvasVisible = await page.locator('canvas').first().isVisible().catch(() => false)
+    const loadingSteps = await page.locator('.sc-bzBgWJ').count().catch(() => 0)
+    const checkmarks = await page.locator(':text-is("✓")').count().catch(() => 0)
+    const active = await page.locator(':text-is("◉")').count().catch(() => 0)
+    log(`poll ${i + 1}: canvas=${canvasVisible}, steps=${loadingSteps}, ✓=${checkmarks}, ◉=${active}`)
+    if (canvasVisible) {
+      log('CANVAS VISIBLE — SIMULATION COMPLETE')
+      break
+    }
+  }
 
   expect(true).toBe(true)
-})
+}, { timeout: 210_000 })
diff --git a/games/age-of-dwarves/guide/test-results/.last-run.json b/games/age-of-dwarves/guide/test-results/.last-run.json
index cfac8a6b..ec8b86a3 100644
--- a/games/age-of-dwarves/guide/test-results/.last-run.json
+++ b/games/age-of-dwarves/guide/test-results/.last-run.json
@@ -1,6 +1,6 @@
 {
   "status": "failed",
   "failedTests": [
-    "620c61f0a0b21e7686ea-28292657752f1295456f"
+    "dc16e76570d2ea8d5f4a-0a10752f0734d5e9ffbc"
   ]
 }
\ No newline at end of file