diff --git a/website/client/components/challenges/challengeDetail.vue b/website/client/components/challenges/challengeDetail.vue
index cb820acc14..3c60f8f3b9 100644
--- a/website/client/components/challenges/challengeDetail.vue
+++ b/website/client/components/challenges/challengeDetail.vue
@@ -10,7 +10,7 @@
         h1 {{challenge.name}}
         div
           strong(v-once) {{$t('createdBy')}}:
-          span {{challenge.author}}
+          span {{challenge.leader.profile.name}}
           // @TODO: make challenge.author a variable inside the createdBy string (helps with RTL languages)
           // @TODO: Implement in V2 strong.margin-left(v-once)
             .svg-icon.calendar-icon(v-html="icons.calendarIcon")
@@ -42,10 +42,11 @@
         :type="column",
         :key="column",
         :taskListOverride='tasksByType[column]',
-        v-on:editTask="editTask")
+        v-on:editTask="editTask",
+        v-if='tasksByType[column].length > 0')
   .col-4.sidebar.standard-page
     .acitons
-      div(v-if='!isMember && !isLeader')
+      div(v-if='canJoin')
         button.btn.btn-success(v-once, @click='joinChallenge()') {{$t('joinChallenge')}}
       div(v-if='isMember')
         button.btn.btn-danger(v-once, @click='leaveChallenge()') {{$t('leaveChallenge')}}
@@ -61,6 +62,7 @@
           :challengeId="challengeId",
           v-on:taskCreated='taskCreated',
           v-on:taskEdited='taskEdited',
+          @taskDestroyed='taskDestroyed'
         )
       div(v-if='isLeader')
         button.btn.btn-secondary(v-once, @click='edit()') {{$t('editChallenge')}}
@@ -74,7 +76,7 @@
       h2 {{$t('challengeSummary')}}
       p {{challenge.summary}}
       h2 {{$t('challengeDescription')}}
-      p {{challenge.description}}
+      p(v-markdown='challenge.description')
 </template>
 
 <style lang='scss' scoped>
@@ -178,6 +180,7 @@ import { mapState } from 'client/libs/store';
 import closeChallengeModal from './closeChallengeModal';
 import Column from '../tasks/column';
 import TaskModal from '../tasks/taskModal';
+import markdownDirective from 'client/directives/markdown';
 import challengeModal from './challengeModal';
 import challengeMemberProgressModal from './challengeMemberProgressModal';
 
@@ -189,6 +192,9 @@ import calendarIcon from 'assets/svg/calendar.svg';
 
 export default {
   props: ['challengeId'],
+  directives: {
+    markdown: markdownDirective,
+  },
   components: {
     closeChallengeModal,
     challengeModal,
@@ -232,6 +238,9 @@ export default {
       if (!this.challenge.leader) return false;
       return this.user._id === this.challenge.leader._id;
     },
+    canJoin () {
+      return !this.isMember;
+    },
   },
   mounted () {
     if (!this.searchId) this.searchId = this.challengeId;
@@ -327,7 +336,14 @@ export default {
       });
       this.tasksByType[task.type].splice(index, 1, task);
     },
+    taskDestroyed (task) {
+      let index = findIndex(this.tasksByType[task.type], (taskItem) => {
+        return taskItem._id === task._id;
+      });
+      this.tasksByType[task.type].splice(index, 1);
+    },
     showMemberModal () {
+      this.$store.state.memberModalOptions.challengeId = this.challenge._id;
       this.$store.state.memberModalOptions.groupId = 'challenge'; // @TODO: change these terrible settings
       this.$store.state.memberModalOptions.group = this.group;
       this.$store.state.memberModalOptions.viewingMembers = this.members;
diff --git a/website/client/components/challenges/challengeMemberProgressModal.vue b/website/client/components/challenges/challengeMemberProgressModal.vue
index 7259d359c4..d801cd1e2d 100644
--- a/website/client/components/challenges/challengeMemberProgressModal.vue
+++ b/website/client/components/challenges/challengeMemberProgressModal.vue
@@ -33,6 +33,13 @@ export default {
   watch: {
     async memberId (id) {
       if (!id) return;
+      this.tasksByType = {
+        habit: [],
+        daily: [],
+        todo: [],
+        reward: [],
+      };
+
       let response = await axios.get(`/api/v3/challenges/${this.challengeId}/members/${this.memberId}`);
       let tasks = response.data.data.tasks;
       tasks.forEach((task) => {
diff --git a/website/client/components/challenges/challengeModal.vue b/website/client/components/challenges/challengeModal.vue
index 198ab79c1e..c849989247 100644
--- a/website/client/components/challenges/challengeModal.vue
+++ b/website/client/components/challenges/challengeModal.vue
@@ -360,41 +360,44 @@ export default {
     },
     async createChallenge () {
       // @TODO: improve error handling, add it to updateChallenge, make errors translatable. Suggestion: `<% fieldName %> is required` where possible, where `fieldName` is inserted as the translatable string that's used for the field header.
-      let errors = '';
-      if (!this.workingChallenge.name) errors += 'Name is required\n';
-      if (this.workingChallenge.shortName.length < MIN_SHORTNAME_SIZE_FOR_CHALLENGES) errors += 'Tag name is too short\n';
-      if (!this.workingChallenge.summary) errors += 'Summary is required\n';
-      if (this.workingChallenge.summary.length > MAX_SUMMARY_SIZE_FOR_CHALLENGES) errors += 'Summary is too long\n';
-      if (!this.workingChallenge.description) errors += 'Description is required\n';
-      if (!this.workingChallenge.group) errors += 'Location of challenge is required ("Add to")\n';
-      if (!this.workingChallenge.categories || this.workingChallenge.categories.length === 0) errors += 'One or more categories must be selected\n';
-      if (errors) {
-        alert(errors);
-      } else {
-        this.workingChallenge.timestamp = new Date().getTime();
-        let categoryKeys = this.workingChallenge.categories;
-        let serverCategories = [];
-        categoryKeys.forEach(key => {
-          let catName = this.categoriesHashByKey[key];
-          serverCategories.push({
-            slug: key,
-            name: catName,
-          });
-        });
-        this.workingChallenge.categories = serverCategories;
+      let errors = [];
 
-        let challenge = await this.$store.dispatch('challenges:createChallenge', {challenge: this.workingChallenge});
-        // @TODO: When to remove from guild instead?
-        this.user.balance -= this.workingChallenge.prize / 4;
+      if (!this.workingChallenge.name) errors.push(this.$t('nameRequired'));
+      if (this.workingChallenge.shortName.length < MIN_SHORTNAME_SIZE_FOR_CHALLENGES) errors.push(this.$t('tagTooShort'));
+      if (!this.workingChallenge.summary) errors.push(this.$t('summaryRequired'));
+      if (this.workingChallenge.summary.length > MAX_SUMMARY_SIZE_FOR_CHALLENGES) errors.push(this.$t('summaryTooLong'));
+      if (!this.workingChallenge.description) errors.push(this.$t('descriptionRequired'));
+      if (!this.workingChallenge.group) errors.push(this.$t('locationRequired'));
+      if (!this.workingChallenge.categories || this.workingChallenge.categories.length === 0) errors.push(this.$t('categoiresRequired'));
 
-        this.$emit('createChallenge', challenge);
-        this.resetWorkingChallenge();
-
-        if (this.cloning) this.$store.state.challengeOptions.cloning = true;
-
-        this.$root.$emit('hide::modal', 'challenge-modal');
-        this.$router.push(`/challenges/${challenge._id}`);
+      if (errors.length > 0) {
+        alert(errors.join('\n'));
+        return;
       }
+
+      this.workingChallenge.timestamp = new Date().getTime();
+      let categoryKeys = this.workingChallenge.categories;
+      let serverCategories = [];
+      categoryKeys.forEach(key => {
+        let catName = this.categoriesHashByKey[key];
+        serverCategories.push({
+          slug: key,
+          name: catName,
+        });
+      });
+      this.workingChallenge.categories = serverCategories;
+
+      let challenge = await this.$store.dispatch('challenges:createChallenge', {challenge: this.workingChallenge});
+      // @TODO: When to remove from guild instead?
+      this.user.balance -= this.workingChallenge.prize / 4;
+
+      this.$emit('createChallenge', challenge);
+      this.resetWorkingChallenge();
+
+      if (this.cloning) this.$store.state.challengeOptions.cloning = true;
+
+      this.$root.$emit('hide::modal', 'challenge-modal');
+      this.$router.push(`/challenges/${challenge._id}`);
     },
     updateChallenge () {
       let categoryKeys = this.workingChallenge.categories;
diff --git a/website/client/components/challenges/findChallenges.vue b/website/client/components/challenges/findChallenges.vue
index 786be865dc..c445cee6ed 100644
--- a/website/client/components/challenges/findChallenges.vue
+++ b/website/client/components/challenges/findChallenges.vue
@@ -7,6 +7,7 @@
     .row.header-row
       .col-md-8.text-left
         h1(v-once) {{$t('findChallenges')}}
+        h2(v-if='loading') {{ $t('loading') }}
       .col-md-4
         // @TODO: implement sorting span.dropdown-label {{ $t('sortBy') }}
           b-dropdown(:text="$t('sort')", right=true)
@@ -63,6 +64,7 @@ export default {
   },
   data () {
     return {
+      loading: true,
       icons: Object.freeze({
         positiveIcon,
       }),
@@ -125,7 +127,9 @@ export default {
       this.$root.$emit('show::modal', 'challenge-modal');
     },
     async loadchallanges () {
+      this.loading = true;
       this.challenges = await this.$store.dispatch('challenges:getUserChallenges');
+      this.loading = false;
     },
     challengeCreated (challenge) {
       this.challenges.push(challenge);
diff --git a/website/client/components/challenges/groupChallenges.vue b/website/client/components/challenges/groupChallenges.vue
index 90434284f1..95ffcf4cf8 100644
--- a/website/client/components/challenges/groupChallenges.vue
+++ b/website/client/components/challenges/groupChallenges.vue
@@ -12,7 +12,7 @@ div
         .col-9
           router-link.title(:to="{ name: 'challenge', params: { challengeId: challenge._id } }")
             strong {{challenge.name}}
-          p {{challenge.description}}
+          p {{challenge.summary || challenge.name}}
           div
             .svg-icon.member-icon(v-html="icons.memberIcon")
             .member-count {{challenge.memberCount}}
diff --git a/website/client/components/groups/membersModal.vue b/website/client/components/groups/membersModal.vue
index a776be489d..8ad85e8b14 100644
--- a/website/client/components/groups/membersModal.vue
+++ b/website/client/components/groups/membersModal.vue
@@ -1,4 +1,5 @@
 <template lang="pug">
+// @TODO: Move this to a member directory
 div
   b-modal#members-modal(:title="$t('createGuild')", size='md')
     .header-wrap(slot="modal-header")
@@ -41,6 +42,9 @@ div
             span.dropdown-icon-item
               .svg-icon.inline(v-html="icons.removeIcon")
               span.text {{$t('removeManager2')}}
+    .row(v-if='groupId === "challenge"')
+      .col-12.text-center
+        button.btn.btn-secondary(@click='loadMoreMembers()') {{ $t('loadMore') }}
     .row.gradient(v-if='members.length > 3')
 </template>
 
@@ -203,6 +207,9 @@ export default {
     groupId () {
       return this.$store.state.memberModalOptions.groupId || this.group._id;
     },
+    challengeId () {
+      return this.$store.state.memberModalOptions.challengeId;
+    },
     sortedMembers () {
       let sortedMembers = this.members;
       if (!this.sortOption) return sortedMembers;
@@ -312,6 +319,17 @@ export default {
     sort (option) {
       this.sortOption = option;
     },
+    async loadMoreMembers () {
+      const lastMember = this.members[this.members.length - 1];
+      if (!lastMember) return;
+
+      let newMembers = await this.$store.dispatch('members:getChallengeMembers', {
+        challengeId: this.challengeId,
+        lastMemberId: lastMember._id,
+      });
+
+      this.members = this.members.concat(newMembers);
+    },
   },
 };
 </script>
diff --git a/website/client/components/tasks/taskModal.vue b/website/client/components/tasks/taskModal.vue
index 05a1439a6e..6abe51e8b7 100644
--- a/website/client/components/tasks/taskModal.vue
+++ b/website/client/components/tasks/taskModal.vue
@@ -1,16 +1,7 @@
 <template lang="pug">
-  form(
-    v-if="task",
-    @submit.stop.prevent="submit()",
-  )
-    b-modal#task-modal(
-      size="sm",
-      @hidden="onClose()",
-    )
-      .task-modal-header(
-        slot="modal-header",
-        :class="[cssClass]",
-      )
+  form(v-if="task", @submit.stop.prevent="submit()")
+    b-modal#task-modal(size="sm", @hidden="onClose()")
+      .task-modal-header(slot="modal-header", :class="[cssClass]")
         .clearfix
           h1.float-left {{ title }}
           .float-right.d-flex.align-items-center
@@ -27,10 +18,9 @@
           label(v-once) {{ $t('cost') }}
           input(type="number", v-model="task.value", required, min="0")
           .svg-icon.gold(v-html="icons.gold")
-        .option(v-if="['daily', 'todo'].indexOf(task.type) > -1")
+        .option(v-if="checklistEnabled")
           label(v-once) {{ $t('checklist') }}
           br
-          | {{checklist}}
           div(v-sortable='', @onsort='sortedChecklist')
             .inline-edit-input-group.checklist-group.input-group(v-for="(item, $index) in checklist")
               input.inline-edit-input.checklist-item.form-control(type="text", v-model="item.text")
@@ -178,7 +168,7 @@
 
       .task-modal-footer(slot="modal-footer")
         span.cancel-task-btn(v-once, v-if="purpose === 'create'", @click="cancel()") {{ $t('cancel') }}
-        span.delete-task-btn(v-once, v-else, @click="destroy()") {{ $t('delete') }}
+        span.delete-task-btn(v-once, v-if='canDelete', @click="destroy()") {{ $t('delete') }}
 </template>
 
 <style lang="scss">
@@ -354,6 +344,10 @@
         background-size: 10px 10px;
         background-image: url(~client/assets/svg/for-css/positive.svg);
       }
+
+      &:hover {
+        cursor: move;
+      }
     }
 
     .delete-task-btn, .cancel-task-btn {
@@ -486,6 +480,18 @@ export default {
       user: 'user.data',
       dayMapping: 'constants.DAY_MAPPING',
     }),
+    checklistEnabled () {
+      return ['daily', 'todo'].indexOf(this.task.type) > -1 && !this.isOriginalChallengeTask;
+    },
+    isOriginalChallengeTask () {
+      let isUserChallenge = Boolean(this.task.userId);
+      return !isUserChallenge && (this.challengeId || this.task.challenge && this.task.challenge.id);
+    },
+    canDelete () {
+      let isUserChallenge = Boolean(this.task.userId);
+      let activeChallenge = isUserChallenge && this.task.challenge && this.task.challenge.id && !this.task.challenge.broken;
+      return this.purpose !== 'create' && !activeChallenge;
+    },
     title () {
       const type = this.$t(this.task.type);
       return this.$t(this.purpose === 'edit' ? 'editATask' : 'createTask', {type});
@@ -620,6 +626,7 @@ export default {
     destroy () {
       if (!confirm('Are you sure you want to delete this task?')) return;
       this.destroyTask(this.task);
+      this.$emit('taskDestroyed', this.task);
       this.$root.$emit('hide::modal', 'task-modal');
     },
     cancel () {
diff --git a/website/client/mixins/payments.js b/website/client/mixins/payments.js
index a574e78cc2..c3c7a8edd8 100644
--- a/website/client/mixins/payments.js
+++ b/website/client/mixins/payments.js
@@ -21,7 +21,11 @@ export default {
       return `/paypal/subscribe?_id=${this.credentials.API_ID}&apiToken=${this.credentials.API_TOKEN}&sub=${this.subscriptionPlan}`;
     },
     paypalPurchaseLink () {
-      if (!this.subscription) return '';
+      if (!this.subscription) {
+        this.subscription = {
+          key: 'basic_earned',
+        };
+      }
       let couponString = '';
       if (this.subscription.coupon) couponString = `&coupon=${this.subscription.coupon}`;
       return `/paypal/subscribe?_id=${this.credentials.API_ID}&apiToken=${this.credentials.API_TOKEN}&sub=${this.subscription.key}${couponString}`;
diff --git a/website/client/store/actions/challenges.js b/website/client/store/actions/challenges.js
index 50b7987f68..6677eb2e65 100644
--- a/website/client/store/actions/challenges.js
+++ b/website/client/store/actions/challenges.js
@@ -17,10 +17,9 @@ export async function joinChallenge (store, payload) {
 }
 
 export async function leaveChallenge (store, payload) {
-  let response = await axios.post(`/api/v3/challenges/${payload.challengeId}/leave`, {
-    data: {
-      keep: payload.keep,
-    },
+  let url = `/api/v3/challenges/${payload.challengeId}/leave`;
+  let response = await axios.post(url, {
+    keep: payload.keep,
   });
 
   return response.data.data;
diff --git a/website/client/store/actions/members.js b/website/client/store/actions/members.js
index 92db1d839a..c9cf12bd65 100644
--- a/website/client/store/actions/members.js
+++ b/website/client/store/actions/members.js
@@ -27,6 +27,11 @@ export async function getGroupInvites (store, payload) {
 
 export async function getChallengeMembers (store, payload) {
   let url = `${apiV3Prefix}/challenges/${payload.challengeId}/members?includeAllPublicFields=true`;
+
+  if (payload.lastMemberId) {
+    url += `&lastId=${payload.lastMemberId}`;
+  }
+
   let response = await axios.get(url);
   return response.data.data;
 }
diff --git a/website/client/store/actions/quests.js b/website/client/store/actions/quests.js
index be621184b7..0357bba67e 100644
--- a/website/client/store/actions/quests.js
+++ b/website/client/store/actions/quests.js
@@ -11,7 +11,7 @@ export async function sendAction (store, payload) {
     partySize: store.state.party.members.data.length,
   };
 
-  if (store.state.party) {
+  if (store.state.party && store.state.party.data) {
     partyData = {
       partyID: store.state.party.data._id,
       partySize: store.state.party.data.memberCount,
diff --git a/website/client/store/index.js b/website/client/store/index.js
index ba56c21112..60e16f4bc6 100644
--- a/website/client/store/index.js
+++ b/website/client/store/index.js
@@ -110,6 +110,7 @@ export default function () {
       memberModalOptions: {
         viewingMembers: [],
         groupId: '',
+        challengeId: '',
         group: {},
       },
       openedItemRows: [],
diff --git a/website/common/locales/en/challenge.json b/website/common/locales/en/challenge.json
index d138c735ef..9e2ddf78fe 100644
--- a/website/common/locales/en/challenge.json
+++ b/website/common/locales/en/challenge.json
@@ -116,5 +116,12 @@
   "haveNoChallenges": "You don't have any Challenges",
   "loadMore": "Load More",
   "exportChallengeCsv": "Export Challenge",
-  "editingChallenge": "Editing Challenge"
+  "editingChallenge": "Editing Challenge",
+  "nameRequired": "Name is required",
+  "tagTooShort": "Tag name is too short",
+  "summaryRequired": "Summary is required",
+  "summaryTooLong": "Summary is too long",
+  "descriptionRequired": "Description is required",
+  "locationRequired": "Location of challenge is required ('Add to')",
+  "categoiresRequired": "One or more categories must be selected"
 }