diff --git a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/QuestFactory.java b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/QuestFactory.java
new file mode 100644
index 0000000..9f3e84f
--- /dev/null
+++ b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/QuestFactory.java
@@ -0,0 +1,36 @@
+package thb.jeanluc.adventure.loader;
+
+import thb.jeanluc.adventure.loader.dto.ConditionDto;
+import thb.jeanluc.adventure.loader.dto.EffectDto;
+import thb.jeanluc.adventure.loader.dto.QuestDto;
+import thb.jeanluc.adventure.loader.dto.QuestStageDto;
+import thb.jeanluc.adventure.model.Quest;
+import thb.jeanluc.adventure.model.QuestStage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** Builds {@link Quest} objects from {@link QuestDto}s (no reference resolution needed). */
+public final class QuestFactory {
+
+    private QuestFactory() {
+    }
+
+    public static Quest fromDto(QuestDto dto) {
+        List<QuestStage> stages = new ArrayList<>();
+        if (dto.stages() != null) {
+            for (QuestStageDto s : dto.stages()) {
+                stages.add(new QuestStage(
+                        s.objective(),
+                        ConditionDto.toModelList(s.completion()),
+                        EffectDto.toModelList(s.onComplete())));
+            }
+        }
+        return new Quest(
+                dto.id(),
+                dto.title(),
+                Boolean.TRUE.equals(dto.autoStart()),
+                stages,
+                EffectDto.toModelList(dto.onComplete()));
+    }
+}
diff --git a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/WorldLoader.java b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/WorldLoader.java
index b6c8ee3..b783a63 100644
--- a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/WorldLoader.java
+++ b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/WorldLoader.java
@@ -8,9 +8,11 @@ import lombok.extern.slf4j.Slf4j;
 import thb.jeanluc.adventure.loader.dto.GameDto;
 import thb.jeanluc.adventure.loader.dto.ItemDto;
 import thb.jeanluc.adventure.loader.dto.NpcDto;
+import thb.jeanluc.adventure.loader.dto.QuestDto;
 import thb.jeanluc.adventure.loader.dto.RoomDto;
 import thb.jeanluc.adventure.model.Npc;
 import thb.jeanluc.adventure.model.Player;
+import thb.jeanluc.adventure.model.Quest;
 import thb.jeanluc.adventure.model.Room;
 import thb.jeanluc.adventure.model.World;
 import thb.jeanluc.adventure.model.item.Item;
@@ -68,11 +70,13 @@ public class WorldLoader {
         List<ItemDto> itemDtos = readList(basePath + "/items.yaml", ItemDto.class);
         List<NpcDto> npcDtos = readList(basePath + "/npcs.yaml", NpcDto.class);
         List<RoomDto> roomDtos = readList(basePath + "/rooms.yaml", RoomDto.class);
+        List<QuestDto> questDtos = readListOptional(basePath + "/quests.yaml", QuestDto.class);
         GameDto gameDto = readSingle(basePath + "/game.yaml", GameDto.class);
 
         requireUniqueIds("item", itemDtos.stream().map(ItemDto::id).toList());
         requireUniqueIds("npc", npcDtos.stream().map(NpcDto::id).toList());
         requireUniqueIds("room", roomDtos.stream().map(RoomDto::id).toList());
+        requireUniqueIds("quest", questDtos.stream().map(QuestDto::id).toList());
 
         Map<String, Item> items = new HashMap<>();
         for (ItemDto dto : itemDtos) {
@@ -86,6 +90,10 @@ public class WorldLoader {
         for (RoomDto dto : roomDtos) {
             rooms.put(dto.id(), RoomFactory.shellFromDto(dto));
         }
+        Map<String, Quest> quests = new HashMap<>();
+        for (QuestDto dto : questDtos) {
+            quests.put(dto.id(), QuestFactory.fromDto(dto));
+        }
 
         ReferenceResolver resolver = new ReferenceResolver(items, npcs, rooms);
         resolver.resolveRooms(roomDtos);
@@ -98,7 +106,7 @@ public class WorldLoader {
         Player player = new Player(start, gold);
 
         World world = new World(rooms, items, npcs,
-                gameDto.title(), gameDto.welcomeMessage());
+                gameDto.title(), gameDto.welcomeMessage(), quests);
         log.info("World '{}' loaded: {} rooms, {} items, {} npcs",
                 gameDto.title(), rooms.size(), items.size(), npcs.size());
         return new LoadResult(world, player);
@@ -114,6 +122,19 @@ public class WorldLoader {
         }
     }
 
+    private <T> List<T> readListOptional(String resource, Class<T> elementType) {
+        try (InputStream in = getClass().getResourceAsStream(resource)) {
+            if (in == null) {
+                return List.of();
+            }
+            CollectionType type = yaml.getTypeFactory().constructCollectionType(List.class, elementType);
+            List<T> result = yaml.readValue(in, type);
+            return result == null ? List.of() : result;
+        } catch (IOException e) {
+            throw new WorldLoadException("Failed to parse " + resource, e);
+        }
+    }
+
     private <T> T readSingle(String resource, Class<T> type) {
         try (InputStream in = openResource(resource)) {
             return yaml.readValue(in, type);
diff --git a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/EffectDto.java b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/EffectDto.java
index ad57aba..25ae0aa 100644
--- a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/EffectDto.java
+++ b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/EffectDto.java
@@ -7,7 +7,13 @@ import java.util.ArrayList;
 import java.util.List;
 
 /** YAML effect: exactly one of the fields is set. */
-public record EffectDto(String setFlag, String clearFlag, String giveItem, String removeItem, String say) {
+public record EffectDto(String setFlag, String clearFlag, String giveItem, String removeItem,
+                        String say, String startQuest) {
+
+    /** Backward-compatible constructor without startQuest. */
+    public EffectDto(String setFlag, String clearFlag, String giveItem, String removeItem, String say) {
+        this(setFlag, clearFlag, giveItem, removeItem, say, null);
+    }
 
     public Effect toModel() {
         if (setFlag != null) {
@@ -25,7 +31,11 @@ public record EffectDto(String setFlag, String clearFlag, String giveItem, Strin
         if (say != null) {
             return new Effect(Effect.Type.SAY, say);
         }
-        throw new WorldLoadException("Effect must set one of setFlag/clearFlag/giveItem/removeItem/say");
+        if (startQuest != null) {
+            return new Effect(Effect.Type.START_QUEST, startQuest);
+        }
+        throw new WorldLoadException(
+                "Effect must set one of setFlag/clearFlag/giveItem/removeItem/say/startQuest");
     }
 
     public static List<Effect> toModelList(List<EffectDto> dtos) {
diff --git a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestDto.java b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestDto.java
new file mode 100644
index 0000000..0c16d15
--- /dev/null
+++ b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestDto.java
@@ -0,0 +1,8 @@
+package thb.jeanluc.adventure.loader.dto;
+
+import java.util.List;
+
+/** YAML representation of a quest. */
+public record QuestDto(String id, String title, Boolean autoStart,
+                       List<QuestStageDto> stages, List<EffectDto> onComplete) {
+}
diff --git a/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestStageDto.java b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestStageDto.java
new file mode 100644
index 0000000..af8e698
--- /dev/null
+++ b/Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/QuestStageDto.java
@@ -0,0 +1,7 @@
+package thb.jeanluc.adventure.loader.dto;
+
+import java.util.List;
+
+/** YAML representation of a quest stage. */
+public record QuestStageDto(String objective, List<ConditionDto> completion, List<EffectDto> onComplete) {
+}
diff --git a/Semesterprojekt/src/test/java/thb/jeanluc/adventure/loader/QuestLoadingTest.java b/Semesterprojekt/src/test/java/thb/jeanluc/adventure/loader/QuestLoadingTest.java
new file mode 100644
index 0000000..c762c92
--- /dev/null
+++ b/Semesterprojekt/src/test/java/thb/jeanluc/adventure/loader/QuestLoadingTest.java
@@ -0,0 +1,38 @@
+package thb.jeanluc.adventure.loader;
+
+import org.junit.jupiter.api.Test;
+import thb.jeanluc.adventure.loader.dto.ConditionDto;
+import thb.jeanluc.adventure.loader.dto.EffectDto;
+import thb.jeanluc.adventure.loader.dto.QuestDto;
+import thb.jeanluc.adventure.loader.dto.QuestStageDto;
+import thb.jeanluc.adventure.model.Effect;
+import thb.jeanluc.adventure.model.Quest;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class QuestLoadingTest {
+    @Test
+    void factoryMapsStagesConditionsAndEffects() {
+        QuestDto dto = new QuestDto("q", "Title", true,
+                List.of(new QuestStageDto("obj",
+                        List.of(new ConditionDto("power_on", null, null)),
+                        List.of(new EffectDto("done", null, null, null, null)))),
+                List.of());
+
+        Quest q = QuestFactory.fromDto(dto);
+
+        assertThat(q.autoStart()).isTrue();
+        assertThat(q.stages()).hasSize(1);
+        assertThat(q.stages().getFirst().objective()).isEqualTo("obj");
+        assertThat(q.stages().getFirst().completion()).hasSize(1);
+        assertThat(q.stages().getFirst().onComplete().getFirst().type()).isEqualTo(Effect.Type.SET_FLAG);
+    }
+
+    @Test
+    void startQuestEffectMaps() {
+        assertThat(new EffectDto(null, null, null, null, null, "q").toModel().type())
+                .isEqualTo(Effect.Type.START_QUEST);
+    }
+}