diff --git a/client/gatsby-node.js b/client/gatsby-node.js
index 4c29498840..c22bd824bc 100644
--- a/client/gatsby-node.js
+++ b/client/gatsby-node.js
@@ -78,6 +78,7 @@ exports.createPages = function createPages({ graphql, actions, reporter }) {
               node {
                 block
                 challengeType
+                isHidden
                 fields {
                   slug
                 }
diff --git a/client/src/components/Map/components/SuperBlock.js b/client/src/components/Map/components/SuperBlock.js
index 411cd12906..8b2c03eb25 100644
--- a/client/src/components/Map/components/SuperBlock.js
+++ b/client/src/components/Map/components/SuperBlock.js
@@ -60,9 +60,12 @@ export class SuperBlock extends Component {
     const blocksForSuperBlock = nodes.filter(
       node => node.superBlock === superBlock
     );
+    // since the nodes have been filtered based on isHidden, any blocks whose
+    // nodes have been entirely removed will not appear in this array.
     const blockDashedNames = uniq(
       blocksForSuperBlock.map(({ block }) => block)
     );
+    // render all non-empty blocks
     return (
       <ul>
         {blockDashedNames.map(blockDashedName => (
diff --git a/client/src/components/Map/index.js b/client/src/components/Map/index.js
index 53f1b1495f..9e7fd47de4 100644
--- a/client/src/components/Map/index.js
+++ b/client/src/components/Map/index.js
@@ -111,6 +111,8 @@ export class Map extends Component {
 
   render() {
     const { nodes } = this.props;
+    // if a given superBlock's nodes have been filtered (via isHidden, say) that
+    // superBlock will not appear in superBlocks and will not be rendered.
     const superBlocks = uniq(nodes.map(({ superBlock }) => superBlock));
     return (
       <Row>
diff --git a/client/src/pages/learn.js b/client/src/pages/learn.js
index 2daebc5af8..78a6a0413e 100644
--- a/client/src/pages/learn.js
+++ b/client/src/pages/learn.js
@@ -101,7 +101,7 @@ export const LearnPage = ({
           isSignedIn={isSignedIn}
           nodes={edges
             .map(({ node }) => node)
-            .filter(({ isPrivate }) => !isPrivate)}
+            .filter(({ isPrivate, isHidden }) => !isPrivate && !isHidden)}
         />
       </Grid>
     </LearnLayout>
@@ -136,6 +136,7 @@ export const query = graphql`
           isRequired
           superBlock
           dashedName
+          isHidden
         }
       }
     }
diff --git a/client/src/redux/propTypes.js b/client/src/redux/propTypes.js
index 3d2abd23b4..b8a9f491be 100644
--- a/client/src/redux/propTypes.js
+++ b/client/src/redux/propTypes.js
@@ -36,7 +36,7 @@ export const ChallengeNode = PropTypes.shape({
   guideUrl: PropTypes.string,
   head: PropTypes.arrayOf(PropTypes.string),
   instructions: PropTypes.string,
-  isBeta: PropTypes.bool,
+  isHidden: PropTypes.bool,
   isComingSoon: PropTypes.bool,
   isLocked: PropTypes.bool,
   isPrivate: PropTypes.bool,
diff --git a/client/utils/gatsby/challengePageCreator.js b/client/utils/gatsby/challengePageCreator.js
index 9685196bb5..b749f48166 100644
--- a/client/utils/gatsby/challengePageCreator.js
+++ b/client/utils/gatsby/challengePageCreator.js
@@ -67,9 +67,12 @@ exports.createChallengePages = createPage => ({ node }, index, thisArray) => {
     required = [],
     template,
     challengeType,
-    id
+    id,
+    isHidden
   } = node;
-  if (challengeType === 7) {
+  // TODO: challengeType === 7 and isPrivate are the same, right? If so, we
+  // should remove one of them.
+  if (challengeType === 7 || isHidden) {
     return null;
   }
 
diff --git a/curriculum/getChallenges.js b/curriculum/getChallenges.js
index 3e906e17c8..07acad80bd 100644
--- a/curriculum/getChallenges.js
+++ b/curriculum/getChallenges.js
@@ -127,9 +127,6 @@ async function createChallenge(fullPath, maybeMeta) {
   challenge.required = required.concat(challenge.required || []);
   challenge.template = template;
   challenge.time = time;
-  // isBeta should default to true, so if it is missing, set it to be true
-  // eslint-disable-next-line no-undefined
-  challenge.isBeta = challenge.isBeta === undefined ? true : challenge.isBeta;
 
   return challenge;
 }
diff --git a/curriculum/schema/challengeSchema.js b/curriculum/schema/challengeSchema.js
index 865a5adf12..3ca10005aa 100644
--- a/curriculum/schema/challengeSchema.js
+++ b/curriculum/schema/challengeSchema.js
@@ -45,7 +45,7 @@ function getSchemaForLang(lang) {
     helpRoom: Joi.string(),
     id: Joi.objectId().required(),
     instructions: Joi.string().allow(''),
-    isBeta: Joi.bool(),
+    isHidden: Joi.bool().required(),
     isComingSoon: Joi.bool(),
     isLocked: Joi.bool(),
     isPrivate: Joi.bool(),