diff --git a/RULESET.md b/RULESET.md
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--- a/RULESET.md
+++ b/RULESET.md
@@ -23,3 +23,7 @@
 - Supernova - 5% chance
 - Anomaly - 4% chance
 - Singularity - 1% chance
+
+### Wormholes
+
+- When entering a black hole, the player is teleported to a random white hole. If there are no white holes, the player is teleported to a random quadrant.