diff --git a/internal/web/static/js/casino-sfx.js b/internal/web/static/js/casino-sfx.js
index 7d43277..a19eee0 100644
--- a/internal/web/static/js/casino-sfx.js
+++ b/internal/web/static/js/casino-sfx.js
@@ -127,18 +127,20 @@
 
   var SAMPLE_BASE = "/static/audio/casino/";
   var SAMPLES = {
-    // A card thrown down onto the table.
-    card:    { files: ["cardPlace1", "cardPlace2", "cardPlace3", "cardPlace4"], gain: 0.6, vary: 0.04 },
+    // A card thrown down onto the table. `vary` is the largest fraction a take is
+    // ever pitched by, up or down — 0.20 means a play can land anywhere from a fifth
+    // slower (deeper) to a fifth faster (brighter).
+    card:    { files: ["cardPlace1", "cardPlace2", "cardPlace3", "cardPlace4"], gain: 0.6, vary: 0.20 },
     // A card slid into place — softer, longer than a throw.
-    deal:    { files: ["cardSlide1", "cardSlide2", "cardSlide3", "cardSlide4", "cardSlide5", "cardSlide6"], gain: 0.5, vary: 0.05 },
+    deal:    { files: ["cardSlide1", "cardSlide2", "cardSlide3", "cardSlide4", "cardSlide5", "cardSlide6"], gain: 0.5, vary: 0.20 },
     // A card flicked over.
-    flip:    { files: ["cardFan1", "cardFan2"], gain: 0.5, vary: 0.04 },
-    // The riffle.
-    shuffle: { files: ["cardShuffle"], gain: 0.6 },
+    flip:    { files: ["cardFan1", "cardFan2"], gain: 0.5, vary: 0.18 },
+    // The riffle — one take, so the pitch wobble is all that keeps two shuffles apart.
+    shuffle: { files: ["cardShuffle"], gain: 0.6, vary: 0.10 },
     // A clay chip set down on a stack.
-    chip:    { files: ["chipLay1", "chipLay2"], gain: 0.6, vary: 0.05 },
+    chip:    { files: ["chipLay1", "chipLay2"], gain: 0.6, vary: 0.22 },
     // Chips gathered and slid away.
-    sweep:   { files: ["chipsHandle2", "chipsHandle4", "chipsHandle6"], gain: 0.5, vary: 0.03 },
+    sweep:   { files: ["chipsHandle2", "chipsHandle4", "chipsHandle6"], gain: 0.5, vary: 0.14 },
   };
 
   // Decoded buffers by filename. A value of null means "claimed, in flight or
@@ -194,9 +196,10 @@
     if (!buf) return false; // not decoded yet, or failed: let synth cover it
     var src = ctx.createBufferSource();
     src.buffer = buf;
-    // A few percent off pitch, walking with the same cursor, so even a single-take
-    // sound like the shuffle isn't pitch-identical twice in a row.
-    if (cfg.vary) src.playbackRate.value = 1 + (((k % 5) - 2) * cfg.vary);
+    // Pitch, walking with the same cursor across seven steps between -vary and
+    // +vary, so even a single-take sound like the shuffle isn't identical twice in
+    // a row. Seven steps rather than a couple means the runs don't read as a loop.
+    if (cfg.vary) src.playbackRate.value = 1 + (((k % 7) - 3) / 3) * cfg.vary;
     var g = ctx.createGain();
     g.gain.value = cfg.gain == null ? 0.6 : cfg.gain;
     src.connect(g).connect(master);