diff --git a/royalnet/campaigns/__init__.py b/royalnet/campaigns/__init__.py
index fd2a5275..d6a02a7a 100644
--- a/royalnet/campaigns/__init__.py
+++ b/royalnet/campaigns/__init__.py
@@ -1,8 +1,14 @@
 from .campaign import *
 from .asynccampaign import *
+from .challenge import *
+from .asyncchallenge import *
 
 
 __all__ = (
     "Campaign",
-    "AsyncCampaign"
+    "AsyncCampaign",
+    "Challenge",
+    "TrueChallenge",
+    "AsyncChallenge",
+    "TrueAsyncChallenge",
 )