diff --git a/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreEndpoint.java b/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreEndpoint.java
index 433357c3e5..8e5a97dfb3 100644
--- a/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreEndpoint.java
+++ b/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreEndpoint.java
@@ -34,7 +34,8 @@ public enum HiscoreEndpoint
 	IRONMAN("Ironman", "https://services.runescape.com/m=hiscore_oldschool_ironman/index_lite.ws"),
 	HARDCORE_IRONMAN("Hardcore Ironman", "https://services.runescape.com/m=hiscore_oldschool_hardcore_ironman/index_lite.ws"),
 	ULTIMATE_IRONMAN("Ultimate Ironman", "https://services.runescape.com/m=hiscore_oldschool_ultimate/index_lite.ws"),
-	DEADMAN("Deadman", "https://services.runescape.com/m=hiscore_oldschool_deadman/index_lite.ws");
+	DEADMAN("Deadman", "https://services.runescape.com/m=hiscore_oldschool_deadman/index_lite.ws"),
+	LEAGUE("Twisted League", "https://services.runescape.com/m=hiscore_oldschool_seasonal/index_lite.ws");
 
 	private final String name;
 	private final HttpUrl hiscoreURL;
diff --git a/http-api/src/main/java/net/runelite/http/api/worlds/WorldType.java b/http-api/src/main/java/net/runelite/http/api/worlds/WorldType.java
index 0e4f9ace6e..af543b7383 100644
--- a/http-api/src/main/java/net/runelite/http/api/worlds/WorldType.java
+++ b/http-api/src/main/java/net/runelite/http/api/worlds/WorldType.java
@@ -33,5 +33,6 @@ public enum WorldType
 	HIGH_RISK,
 	LAST_MAN_STANDING,
 	TOURNAMENT,
-	DEADMAN;
+	DEADMAN,
+	LEAGUE;
 }
diff --git a/http-service/src/main/java/net/runelite/http/service/worlds/ServiceWorldType.java b/http-service/src/main/java/net/runelite/http/service/worlds/ServiceWorldType.java
index 402436c8fa..896f152752 100644
--- a/http-service/src/main/java/net/runelite/http/service/worlds/ServiceWorldType.java
+++ b/http-service/src/main/java/net/runelite/http/service/worlds/ServiceWorldType.java
@@ -35,7 +35,8 @@ enum ServiceWorldType
 	HIGH_RISK(WorldType.HIGH_RISK, 1 << 10),
 	LAST_MAN_STANDING(WorldType.LAST_MAN_STANDING, 1 << 14),
 	TOURNAMENT(WorldType.TOURNAMENT, 1 << 25),
-	DEADMAN(WorldType.DEADMAN, 1 << 29);
+	DEADMAN(WorldType.DEADMAN, 1 << 29),
+	LEAGUE(WorldType.LEAGUE, 1 << 30);
 
 	private final WorldType apiType;
 	private final int mask;
diff --git a/runelite-api/src/main/java/net/runelite/api/WorldType.java b/runelite-api/src/main/java/net/runelite/api/WorldType.java
index 70e22d7f89..618d272796 100644
--- a/runelite-api/src/main/java/net/runelite/api/WorldType.java
+++ b/runelite-api/src/main/java/net/runelite/api/WorldType.java
@@ -63,7 +63,11 @@ public enum WorldType
 	/**
 	 * Deadman world type.
 	 */
-	DEADMAN(1 << 29);
+	DEADMAN(1 << 29),
+	/**
+	 * League world type
+	 */
+	LEAGUE(1 << 30);
 
 	private final int mask;