diff --git a/src/dn/Delayer.hx b/src/dn/Delayer.hx
index 916b010..5b893ff 100644
--- a/src/dn/Delayer.hx
+++ b/src/dn/Delayer.hx
@@ -47,6 +47,15 @@ class Delayer {
 	// 	}
 	// }
 
+	/** Completes all tasks immediately (tasks callbacks will be called) */
+	public function completeEverything() {
+		var all = delays.copy();
+		delays = [];
+		for(d in all)
+			d.cb();
+	}
+
+	/** Cancels all tasks (their callbacks won't be called) */
 	public function cancelEverything() {
 		delays = [];
 	}
@@ -157,6 +166,16 @@ class Delayer {
 		delayer.cancelById("test");
 		delayer.update(1);
 
+		// Completing all
+		var n = 0;
+		delayer.addF("a", ()->n++, 1);
+		delayer.addF("b", ()->n++, 99);
+		delayer.addF("c", ()->n++, 99);
+		delayer.update(1);
+		CiAssert.equals( n, 1 );
+		delayer.completeEverything();
+		CiAssert.equals( n, 3 );
+
 		// Next frame
 		var done = false;
 		delayer.nextFrame( ()->done=true );