diff --git a/src/levels/l07_complex.rs b/src/levels/l07_complex.rs
index 5bb7280..03fcafa 100644
--- a/src/levels/l07_complex.rs
+++ b/src/levels/l07_complex.rs
@@ -112,14 +112,16 @@ impl Level for Complex {
             serde_yaml::to_string(&Value::Mapping(top)).expect("serialise mapping");
 
         let mut d = Describer::new();
+        // No tab characters: ratatui's Paragraph renders tabs unevenly,
+        // which combined with the typewriter's progressive reveal can
+        // produce overlapping characters. Use plain spaces for indents.
         d.register(
             "l07",
-            "Floor {{ floor }}.\n\
-             {% for r in rooms %}\n\
-             {{ r.name }} — a {{ r.kind }} (locked: {{ r.locked }})\n\
-             \texits:    {% for e in r.exits %}{{ e }}{% if not loop.last %}, {% endif %}{% endfor %}\n\
-             \tcontents: {% for c in r.contents %}{{ c }}{% if not loop.last %}, {% endif %}{% endfor %}\n\
-             {% endfor %}\n\
+            "Floor {{ floor }}.\n\n\
+             {% for r in rooms %}{{ r.name }} — a {{ r.kind }} (locked: {{ r.locked }})\n\
+               exits:    {% for e in r.exits %}{{ e }}{% if not loop.last %}, {% endif %}{% endfor %}\n\
+               contents: {% for c in r.contents %}{{ c }}{% if not loop.last %}, {% endif %}{% endfor %}\n\n\
+             {% endfor %}\
              💡 Combine maps, lists, and scalars — `floor:` is an int, each room is a dict with two lists.",
         )
         .expect("register template");
diff --git a/src/levels/mod.rs b/src/levels/mod.rs
index f1365ec..e9027b7 100644
--- a/src/levels/mod.rs
+++ b/src/levels/mod.rs
@@ -93,5 +93,11 @@ pub fn registry() -> Vec<Box<dyn Level>> {
         Box::new(l03_dict::Dict),
         Box::new(l04_list::List),
         Box::new(l05_dict_list::DictList),
+        Box::new(l06_anchors::Anchors),
+        Box::new(l07_complex::Complex),
+        Box::new(l08_tags::Tags),
+        Box::new(l09_operators::Operators),
+        Box::new(l10_dynamic::Dynamic),
+        Box::new(l11_adv_anchors::AdvAnchors),
     ]
 }