diff --git a/tools/smoke-actor.mjs b/tools/smoke-actor.mjs
index 91081de2..79841a18 100644
--- a/tools/smoke-actor.mjs
+++ b/tools/smoke-actor.mjs
@@ -38,7 +38,21 @@ const walkOf = (e) =>
 const rowOfFrame = (texture) => Number(String(texture).split('-')[1]);
 
 await runChecks({ projectId, baseUrl, port: 9341, shotPrefix: 'gm-actor' }, async (t) => {
-  const { check, sleep, json, shot, entity, play, stop, navigate, exceptions, holdKey, keyDown, keyUp } = t;
+  const {
+    check,
+    sleep,
+    json,
+    evaluate,
+    shot,
+    entity,
+    play,
+    stop,
+    navigate,
+    exceptions,
+    holdKey,
+    keyDown,
+    keyUp,
+  } = t;
 
   await navigate();
 
@@ -257,10 +271,13 @@ await runChecks({ projectId, baseUrl, port: 9341, shotPrefix: 'gm-actor' }, asyn
   // 12. A frame's top edge shows nothing of the cell above it, wherever the edge lands inside a
   //     pixel. Drawn from the sheet, a partly covered edge pixel read the boots of the cell above –
   //     the hairline over the head. Nudged upwards until the edge sits in the lower half of a pixel.
+  //     At the game view's 100% a frame at full speed moves 2.5 px, so the edge only ever lands on
+  //     .0 or .5. Slowed to 0.2 px a frame, it walks through every part of a pixel.
   const topEdge = async () => {
     const r = await json(`__gm.gameRect('oplayer')`);
     return { cx: Math.round(r.x), y0: r.y - r.h / 2 };
   };
+  await evaluate('__gm.setTimeScale(0.08)');
   let edge;
   let nudges = 0;
   do {
@@ -269,6 +286,7 @@ await runChecks({ projectId, baseUrl, port: 9341, shotPrefix: 'gm-actor' }, asyn
     edge = await topEdge();
     nudges += 1;
   } while (nudges < 40 && !(edge.y0 % 1 > 0.6 && edge.y0 % 1 < 0.9));
+  await evaluate('__gm.setTimeScale(1)');
   const facingUp = await entity('oplayer');
   const rowAt = async (y) =>
     json(`[-8,-6,-4,-2,0,2,4,6,8].map((dx) => __gm.pixelAt(${edge.cx} + dx, ${y}))`).then((p) => p.join(' '));