diff --git a/test/api/unit/models/group.test.js b/test/api/unit/models/group.test.js
index 7d120c055a..377c6c6676 100644
--- a/test/api/unit/models/group.test.js
+++ b/test/api/unit/models/group.test.js
@@ -1882,6 +1882,36 @@ describe('Group Model', () => {
         expect(updatedSleepingParticipatingMember.achievements.lostMasterclasser).to.not.eql(true);
       });
 
+      it('gives out other pet-related quest achievements', async () => {
+        quest = questScrolls.rock;
+        party.quest.key = quest.key;
+
+        questLeader.achievements.quests = {
+          mayhemMistiflying1: 1,
+          yarn: 1,
+          mayhemMistiflying2: 1,
+          egg: 1,
+          mayhemMistiflying3: 1,
+          slime: 2,
+        };
+        await questLeader.save();
+        await party.finishQuest(quest);
+
+        let [
+          updatedLeader,
+          updatedParticipatingMember,
+          updatedSleepingParticipatingMember,
+        ] = await Promise.all([
+          User.findById(questLeader._id).exec(),
+          User.findById(participatingMember._id).exec(),
+          User.findById(sleepingParticipatingMember._id).exec(),
+        ]);
+
+        expect(updatedLeader.achievements.mindOverMatter).to.eql(true);
+        expect(updatedParticipatingMember.achievements.mindOverMatter).to.not.eql(true);
+        expect(updatedSleepingParticipatingMember.achievements.mindOverMatter).to.not.eql(true);
+      });
+
       it('gives xp and gold', async () => {
         await party.finishQuest(quest);
 
diff --git a/test/common/ops/feed.js b/test/common/ops/feed.js
index 4aabd119df..84c3713686 100644
--- a/test/common/ops/feed.js
+++ b/test/common/ops/feed.js
@@ -169,6 +169,24 @@ describe('shared.ops.feed', () => {
       expect(user.items.pets['Wolf-Base']).to.equal(7);
     });
 
+    it('awards All Your Base achievement', () => {
+      user.items.pets['Wolf-Spooky'] = 5;
+      user.items.food.Milk = 2;
+      user.items.mounts = {
+        'Wolf-Base': true,
+        'TigerCub-Base': true,
+        'PandaCub-Base': true,
+        'LionCub-Base': true,
+        'Fox-Base': true,
+        'FlyingPig-Base': true,
+        'Dragon-Base': true,
+        'Cactus-Base': true,
+        'BearCub-Base': true,
+      };
+      feed(user, {params: {pet: 'Wolf-Spooky', food: 'Milk'}});
+      expect(user.achievements.allYourBase).to.eql(true);
+    });
+
     it('evolves the pet into a mount when feeding user.items.pets[pet] >= 50', () => {
       user.items.pets['Wolf-Base'] = 49;
       user.items.food.Milk = 2;
diff --git a/test/common/ops/hatch.js b/test/common/ops/hatch.js
index 919829d6b8..0339a8fa8d 100644
--- a/test/common/ops/hatch.js
+++ b/test/common/ops/hatch.js
@@ -159,6 +159,24 @@ describe('shared.ops.hatch', () => {
         expect(user.items.eggs).to.eql({Wolf: 0});
         expect(user.items.hatchingPotions).to.eql({Base: 0});
       });
+
+      it('awards Back to Basics achievement', () => {
+        user.items.pets = {
+          'Wolf-Base': 5,
+          'TigerCub-Base': 5,
+          'PandaCub-Base': 10,
+          'LionCub-Base': 5,
+          'Fox-Base': 5,
+          'FlyingPig-Base': 5,
+          'Dragon-Base': 5,
+          'Cactus-Base': 15,
+          'BearCub-Base': 5,
+        };
+        user.items.eggs = {Wolf: 1};
+        user.items.hatchingPotions = {Spooky: 1};
+        hatch(user, {params: {egg: 'Wolf', hatchingPotion: 'Spooky'}});
+        expect(user.achievements.backToBasics).to.eql(true);
+      });
     });
   });
 });
diff --git a/website/common/locales/en/achievements.json b/website/common/locales/en/achievements.json
index 4f5dcd77c1..f84b48d46b 100644
--- a/website/common/locales/en/achievements.json
+++ b/website/common/locales/en/achievements.json
@@ -5,5 +5,13 @@
   "levelup": "By accomplishing your real life goals, you leveled up and are now fully healed!",
   "reachedLevel": "You Reached Level <%= level %>",
   "achievementLostMasterclasser": "Quest Completionist: Masterclasser Series",
-  "achievementLostMasterclasserText": "Completed all sixteen quests in the Masterclasser Quest Series and solved the mystery of the Lost Masterclasser!"
+  "achievementLostMasterclasserText": "Completed all sixteen quests in the Masterclasser Quest Series and solved the mystery of the Lost Masterclasser!",
+  "achievementMindOverMatter": "Mind Over Matter",
+  "achievementMindOverMatterText": "Has completed Rock, Egg, Slime, and Yarn pet quests.",
+  "achievementJustAddWater": "Just Add Water",
+  "achievementJustAddWaterText": "Has completed Octopus, Seahorse, Cuttlefish, Whale, Turtle, Nudibranch, Sea Serpent, and Dolphin pet quests.",
+  "achievementBackToBasics": "Back to Basics",
+  "achievementBackToBasicsText": "Has collected all Base Pets.",
+  "achievementAllYourBase": "All Your Base",
+  "achievementAllYourBaseText": "Has tamed all Base Mounts."
 }
diff --git a/website/common/script/content/achievements.js b/website/common/script/content/achievements.js
index 6250bde61b..28e9fc88be 100644
--- a/website/common/script/content/achievements.js
+++ b/website/common/script/content/achievements.js
@@ -127,6 +127,26 @@ let basicAchievs = {
     titleKey: 'achievementLostMasterclasser',
     textKey: 'achievementLostMasterclasserText',
   },
+  mindOverMatter: {
+    icon: 'achievement-mindOverMatter',
+    titleKey: 'achievementMindOverMatter',
+    textKey: 'achievementMindOverMatterText',
+  },
+  justAddWater: {
+    icon: 'achievement-justAddWater',
+    titleKey: 'achievementJustAddWater',
+    textKey: 'achievementJustAddWaterText',
+  },
+  backToBasics: {
+    icon: 'achievement-backToBasics',
+    titleKey: 'achievementBackToBasics',
+    textKey: 'achievementBackToBasicsText',
+  },
+  allYourBase: {
+    icon: 'achievement-allYourBase',
+    titleKey: 'achievementAllYourBase',
+    textKey: 'achievementAllYourBaseText',
+  },
 };
 Object.assign(achievementsData, basicAchievs);
 
diff --git a/website/common/script/content/constants.js b/website/common/script/content/constants.js
index a345985367..f9fa398b81 100644
--- a/website/common/script/content/constants.js
+++ b/website/common/script/content/constants.js
@@ -212,3 +212,52 @@ export const USER_CAN_OWN_QUEST_CATEGORIES = [
   'hatchingPotion',
   'pet',
 ];
+
+export const QUEST_SERIES_ACHIEVEMENTS = {
+  lostMasterclasser: [
+    'dilatoryDistress1',
+    'dilatoryDistress2',
+    'dilatoryDistress3',
+    'mayhemMistiflying1',
+    'mayhemMistiflying2',
+    'mayhemMistiflying3',
+    'stoikalmCalamity1',
+    'stoikalmCalamity2',
+    'stoikalmCalamity3',
+    'taskwoodsTerror1',
+    'taskwoodsTerror2',
+    'taskwoodsTerror3',
+    'lostMasterclasser1',
+    'lostMasterclasser2',
+    'lostMasterclasser3',
+    'lostMasterclasser4',
+  ],
+  mindOverMatter: [
+    'egg',
+    'rock',
+    'slime',
+    'yarn',
+  ],
+  justAddWater: [
+    'octopus',
+    'dilatory_derby',
+    'kraken',
+    'whale',
+    'turtle',
+    'nudibranch',
+    'seaserpent',
+    'dolphin',
+  ],
+};
+
+export const BASE_PETS_MOUNTS = [
+  'Wolf-Base',
+  'TigerCub-Base',
+  'PandaCub-Base',
+  'LionCub-Base',
+  'Fox-Base',
+  'FlyingPig-Base',
+  'Dragon-Base',
+  'Cactus-Base',
+  'BearCub-Base',
+];
diff --git a/website/common/script/content/index.js b/website/common/script/content/index.js
index d1b1e2326a..87981b5abd 100644
--- a/website/common/script/content/index.js
+++ b/website/common/script/content/index.js
@@ -7,6 +7,8 @@ import {
   CLASSES,
   GEAR_TYPES,
   ITEM_LIST,
+  QUEST_SERIES_ACHIEVEMENTS,
+  BASE_PETS_MOUNTS,
 } from './constants';
 
 let api = module.exports;
@@ -35,6 +37,8 @@ import loginIncentives from './loginIncentives';
 import officialPinnedItems from './officialPinnedItems';
 
 api.achievements = achievements;
+api.questSeriesAchievements = QUEST_SERIES_ACHIEVEMENTS;
+api.basePetsMounts = BASE_PETS_MOUNTS;
 
 api.quests = quests;
 api.questsByLevel = questsByLevel;
diff --git a/website/common/script/libs/achievements.js b/website/common/script/libs/achievements.js
index 0793c45ee6..770fda23ef 100644
--- a/website/common/script/libs/achievements.js
+++ b/website/common/script/libs/achievements.js
@@ -184,6 +184,10 @@ function _getBasicAchievements (user, language) {
   _addSimple(result, user, {path: 'joinedChallenge', language});
   _addSimple(result, user, {path: 'invitedFriend', language});
   _addSimple(result, user, {path: 'lostMasterclasser', language});
+  _addSimple(result, user, {path: 'mindOverMatter', language});
+  _addSimple(result, user, {path: 'justAddWater', language});
+  _addSimple(result, user, {path: 'backToBasics', language});
+  _addSimple(result, user, {path: 'allYourBase', language});
 
   _addSimpleWithMasterCount(result, user, {path: 'beastMaster', language});
   _addSimpleWithMasterCount(result, user, {path: 'mountMaster', language});
diff --git a/website/common/script/ops/feed.js b/website/common/script/ops/feed.js
index 1a66770d28..e313a0418d 100644
--- a/website/common/script/ops/feed.js
+++ b/website/common/script/ops/feed.js
@@ -1,5 +1,6 @@
 import content from '../content/index';
 import i18n from '../i18n';
+import findIndex from 'lodash/findIndex';
 import get from 'lodash/get';
 import {
   BadRequest,
@@ -89,6 +90,15 @@ module.exports = function feed (user, req = {}) {
   user.items.food[food.key]--;
   if (user.markModified) user.markModified('items.food');
 
+  if (!user.achievements.allYourBase) {
+    const mountIndex = findIndex(content.basePetsMounts, (animal) => {
+      return !user.items.mounts[animal];
+    });
+    if (mountIndex === -1) {
+      user.achievements.allYourBase = true;
+    }
+  }
+
   return [
     userPets[pet.key],
     message,
diff --git a/website/common/script/ops/hatch.js b/website/common/script/ops/hatch.js
index 672372e125..84c6140fe1 100644
--- a/website/common/script/ops/hatch.js
+++ b/website/common/script/ops/hatch.js
@@ -1,5 +1,6 @@
 import content from '../content/index';
 import i18n from '../i18n';
+import findIndex from 'lodash/findIndex';
 import get from 'lodash/get';
 import {
   BadRequest,
@@ -39,6 +40,15 @@ module.exports = function hatch (user, req = {}) {
     user.markModified('items.hatchingPotions');
   }
 
+  if (!user.achievements.backToBasics) {
+    const petIndex = findIndex(content.basePetsMounts, (animal) => {
+      return isNaN(user.items.pets[animal]) || user.items.pets[animal] <= 0;
+    });
+    if (petIndex === -1) {
+      user.achievements.backToBasics = true;
+    }
+  }
+
   return [
     user.items,
     i18n.t('messageHatched', req.language),
diff --git a/website/raw_sprites/spritesmith/achievements/achievement-allYourBase2x.png b/website/raw_sprites/spritesmith/achievements/achievement-allYourBase2x.png
new file mode 100644
index 0000000000..dfec6af930
Binary files /dev/null and b/website/raw_sprites/spritesmith/achievements/achievement-allYourBase2x.png differ
diff --git a/website/raw_sprites/spritesmith/achievements/achievement-backToBasics2x.png b/website/raw_sprites/spritesmith/achievements/achievement-backToBasics2x.png
new file mode 100644
index 0000000000..9eb48e4ce5
Binary files /dev/null and b/website/raw_sprites/spritesmith/achievements/achievement-backToBasics2x.png differ
diff --git a/website/raw_sprites/spritesmith/achievements/achievement-justAddWater2x.png b/website/raw_sprites/spritesmith/achievements/achievement-justAddWater2x.png
new file mode 100644
index 0000000000..bde84dd783
Binary files /dev/null and b/website/raw_sprites/spritesmith/achievements/achievement-justAddWater2x.png differ
diff --git a/website/raw_sprites/spritesmith/achievements/achievement-mindOverMatter2x.png b/website/raw_sprites/spritesmith/achievements/achievement-mindOverMatter2x.png
new file mode 100644
index 0000000000..a6e0ac4fff
Binary files /dev/null and b/website/raw_sprites/spritesmith/achievements/achievement-mindOverMatter2x.png differ
diff --git a/website/server/models/group.js b/website/server/models/group.js
index 636eb3ca0e..ef05e89c12 100644
--- a/website/server/models/group.js
+++ b/website/server/models/group.js
@@ -41,6 +41,7 @@ import { getGroupChat, translateMessage } from '../libs/chat/group-chat';
 import { model as UserNotification } from './userNotification';
 
 const questScrolls = shared.content.quests;
+const questSeriesAchievements = shared.content.questSeriesAchievements;
 const Schema = mongoose.Schema;
 
 export const INVITES_LIMIT = 100; // must not be greater than MAX_EMAIL_INVITES_BY_USER
@@ -849,25 +850,6 @@ schema.methods.finishQuest = async function finishQuest (quest) {
     }
   });
 
-  let masterClasserQuests = [
-    'dilatoryDistress1',
-    'dilatoryDistress2',
-    'dilatoryDistress3',
-    'mayhemMistiflying1',
-    'mayhemMistiflying2',
-    'mayhemMistiflying3',
-    'stoikalmCalamity1',
-    'stoikalmCalamity2',
-    'stoikalmCalamity3',
-    'taskwoodsTerror1',
-    'taskwoodsTerror2',
-    'taskwoodsTerror3',
-    'lostMasterclasser1',
-    'lostMasterclasser2',
-    'lostMasterclasser3',
-    'lostMasterclasser4',
-  ];
-
   // Send webhooks in background
   // @TODO move the find users part to a worker as well, not just the http request
   User.find({
@@ -893,24 +875,27 @@ schema.methods.finishQuest = async function finishQuest (quest) {
       });
     });
 
+  _.forEach(questSeriesAchievements, async (questList, achievement) => {
+    if (questList.includes(questK)) {
+      let questAchievementQuery = {};
+      questAchievementQuery[`achievements.${achievement}`] = {$ne: true};
+
+      _.forEach(questList, (questName) => {
+        if (questName !== questK) {
+          questAchievementQuery[`achievements.quests.${questName}`] = {$gt: 0};
+        }
+      });
+
+      let questAchievementUpdate = {$set: {}};
+      questAchievementUpdate.$set[`achievements.${achievement}`] = true;
+
+      promises.push(participants.map(userId => {
+        return _updateUserWithRetries(userId, questAchievementUpdate, null, questAchievementQuery);
+      }));
+    }
+  });
+
   await Promise.all(promises);
-
-  if (masterClasserQuests.includes(questK)) {
-    let lostMasterclasserQuery = {
-      'achievements.lostMasterclasser': {$ne: true},
-    };
-    masterClasserQuests.forEach(questName => {
-      lostMasterclasserQuery[`achievements.quests.${questName}`] = {$gt: 0};
-    });
-    let lostMasterclasserUpdate = {
-      $set: {'achievements.lostMasterclasser': true},
-    };
-
-    let lostMasterClasserPromises = participants.map(userId => {
-      return _updateUserWithRetries(userId, lostMasterclasserUpdate, null, lostMasterclasserQuery);
-    });
-    await Promise.all(lostMasterClasserPromises);
-  }
 };
 
 function _isOnQuest (user, progress, group) {
diff --git a/website/server/models/user/schema.js b/website/server/models/user/schema.js
index e411bfb437..de53c5a214 100644
--- a/website/server/models/user/schema.js
+++ b/website/server/models/user/schema.js
@@ -120,6 +120,10 @@ let schema = new Schema({
     joinedChallenge: Boolean,
     invitedFriend: Boolean,
     lostMasterclasser: Boolean,
+    mindOverMatter: Boolean,
+    justAddWater: Boolean,
+    backToBasics: Boolean,
+    allYourBase: Boolean,
   },
 
   backer: {