diff --git a/src/as/com/threerings/ezgame/EZGameControl.as b/src/as/com/threerings/ezgame/EZGameControl.as
index 58807548..5109bc58 100644
--- a/src/as/com/threerings/ezgame/EZGameControl.as
+++ b/src/as/com/threerings/ezgame/EZGameControl.as
@@ -157,7 +157,21 @@ public class EZGameControl extends EventDispatcher
      */
     public function set (propName :String, value :Object, index :int = -1) :void
     {
-        callEZCode("setProperty_v1", propName, value, index);
+        callEZCode("setProperty_v1", propName, value, index, false);
+    }
+
+    /**
+     * Set a property, but have this client immediately set the value so that
+     * it can be re-read. The property change event will still arrive and
+     * will be your clue as to when the other clients will see the newly
+     * set value. Be careful with this method, as it can allow data
+     * inconsistency: two clients may see different values for a property
+     * if one of them recently set it immediately, and the resultant
+     * PropertyChangedEvent's oldValue also may not be consistent.
+     */
+    public function setImmediate (propName :String, value :Object, index :int = -1) :void
+    {
+        callEZCode("setProperty_v1", propName, value, index, true);
     }
 
     /**
diff --git a/src/as/com/threerings/ezgame/client/GameControlBackend.as b/src/as/com/threerings/ezgame/client/GameControlBackend.as
index f7d6cae8..46c01e05 100644
--- a/src/as/com/threerings/ezgame/client/GameControlBackend.as
+++ b/src/as/com/threerings/ezgame/client/GameControlBackend.as
@@ -164,8 +164,17 @@ public class GameControlBackend
         o["getPlayers_v1"] = getPlayers_v1;
     }
 
+    /**
+     * Set a property.
+     *
+     * Note: immediate defaults to true, even though immediate=false is
+     * the general case. We are providing some backwards compatibility
+     * to old versions of setProperty_v1() that assumed immediate and did
+     * not pass a 4th value.
+     * All callers should now specify that value explicitely.
+     */
     public function setProperty_v1 (
-        propName :String, value :Object, index :int) :void
+        propName :String, value :Object, index :int, immediate :Boolean = true) :void
     {
         validatePropertyChange(propName, value, index);
 
@@ -173,6 +182,9 @@ public class GameControlBackend
         _ezObj.ezGameService.setProperty(
             _ctx.getClient(), propName, encoded, index,
             false, null, createLoggingConfirmListener("setProperty"));
+        if (immediate) {
+            _ezObj.applyPropertySet(propName, value, index);
+        }
     }
 
     public function testAndSetProperty_v1 (