diff --git a/src/hackerspace.codes.yaml b/src/hackerspace.codes.yaml
new file mode 100644
index 0000000..a43f857
--- /dev/null
+++ b/src/hackerspace.codes.yaml
@@ -0,0 +1,14 @@
+# This file contains a mapping from script names to oid codes.
+# This way the existing scripts are always assigned to the the
+# same codes, even if you add further scripts.
+# 
+# You can copy the contents of this file into the main .yaml file,
+# if you want to have both together.
+# 
+# If you delete this file, the next run of "ttool assemble" might
+# use different codes for your scripts, and you might have to re-
+# create the images for your product.
+replay: 4969
+scriptcodes:
+  start-adventure: 4971
+stop: 4970
diff --git a/src/hackerspace.pdf b/src/hackerspace.pdf
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index 0000000..92a2282
Binary files /dev/null and b/src/hackerspace.pdf differ