diff --git a/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/SteamApps.java b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/SteamApps.java
index 46d4b042..b8796bad 100644
--- a/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/SteamApps.java
+++ b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/SteamApps.java
@@ -4,6 +4,8 @@
 import in.dragonbra.javasteam.base.ClientMsgProtobuf;
 import in.dragonbra.javasteam.base.IPacketMsg;
 import in.dragonbra.javasteam.enums.EMsg;
+import in.dragonbra.javasteam.generated.MsgClientGetLegacyGameKey;
+import in.dragonbra.javasteam.generated.MsgClientGetLegacyGameKeyResponse;
 import in.dragonbra.javasteam.generated.MsgClientUpdateGuestPassesList;
 import in.dragonbra.javasteam.generated.MsgClientVACBanStatus;
 import in.dragonbra.javasteam.handlers.ClientMsgHandler;
@@ -81,6 +83,12 @@ public void accept(IPacketMsg packetMsg) {
                 handleDepotKeyResponse(packetMsg);
             }
         });
+        dispatchMap.put(EMsg.ClientGetLegacyGameKeyResponse, new Consumer<IPacketMsg>() {
+            @Override
+            public void accept(IPacketMsg packetMsg) {
+                handleLegacyGameKeyResponse(packetMsg);
+            }
+        });
         dispatchMap.put(EMsg.ClientPICSAccessTokenResponse, new Consumer<IPacketMsg>() {
             @Override
             public void accept(IPacketMsg packetMsg) {
@@ -487,6 +495,25 @@ public JobID checkAppBetaPassword(int app, String password) {
         return jobID;
     }
 
+    /**
+     * Request the legacy CD game keys for the requested appid.
+     *
+     * @param appId The AppID to request game keys for.
+     * @return The Job ID of the request. This can be used to find the appropriate {@link LegacyGameKeyCallback}
+     */
+    public JobID getLegacyGameKey(int appId) {
+        ClientMsg<MsgClientGetLegacyGameKey> request = new ClientMsg<>(MsgClientGetLegacyGameKey.class);
+        JobID jobID = client.getNextJobID();
+        request.setSourceJobID(jobID);
+
+        request.setSourceJobID(jobID);
+        request.getBody().setAppId(appId);
+
+        client.send(request);
+
+        return jobID;
+    }
+
     @Override
     public void handleMsg(IPacketMsg packetMsg) {
         if (packetMsg == null) {
@@ -520,6 +547,13 @@ private void handleGameConnectTokens(IPacketMsg packetMsg) {
         client.postCallback(new GameConnectTokensCallback(gcTokens.getBody()));
     }
 
+    private void handleLegacyGameKeyResponse(IPacketMsg packetMsg) {
+        ClientMsg<MsgClientGetLegacyGameKeyResponse> keyResponse =
+                new ClientMsg<>(MsgClientGetLegacyGameKeyResponse.class, packetMsg);
+
+        client.postCallback(new LegacyGameKeyCallback(keyResponse.getTargetJobID(), keyResponse.getBody(), keyResponse.getPayload().toByteArray()));
+    }
+
     private void handleLicenseList(IPacketMsg packetMsg) {
         ClientMsgProtobuf<CMsgClientLicenseList.Builder> licenseList =
                 new ClientMsgProtobuf<>(CMsgClientLicenseList.class, packetMsg);
diff --git a/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/callback/LegacyGameKeyCallback.java b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/callback/LegacyGameKeyCallback.java
new file mode 100644
index 00000000..fd42a099
--- /dev/null
+++ b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamapps/callback/LegacyGameKeyCallback.java
@@ -0,0 +1,51 @@
+package in.dragonbra.javasteam.steam.handlers.steamapps.callback;
+
+import in.dragonbra.javasteam.enums.EResult;
+import in.dragonbra.javasteam.generated.MsgClientGetLegacyGameKeyResponse;
+import in.dragonbra.javasteam.steam.handlers.steamapps.SteamApps;
+import in.dragonbra.javasteam.steam.steamclient.callbackmgr.CallbackMsg;
+import in.dragonbra.javasteam.types.JobID;
+
+/**
+ * This callback is received in response to calling {@link SteamApps#getLegacyGameKey}.
+ */
+public class LegacyGameKeyCallback extends CallbackMsg {
+
+    private EResult result;
+
+    private int appID;
+
+    private String key;
+
+    public LegacyGameKeyCallback(JobID jobID, MsgClientGetLegacyGameKeyResponse msg, byte[] payload) {
+        setJobID(jobID);
+        this.appID = msg.getAppId();
+        this.result = msg.getResult();
+
+        if (msg.getLength() > 0) {
+            int length = msg.getLength() - 1;
+            key = new String(payload, 0, length);
+        }
+    }
+
+    /**
+     * @return the result of requesting this game key.
+     */
+    public EResult getResult() {
+        return result;
+    }
+
+    /**
+     * @return the appid that this game key is for.
+     */
+    public int getAppID() {
+        return appID;
+    }
+
+    /**
+     * @return the game key.
+     */
+    public String getKey() {
+        return key;
+    }
+}
diff --git a/src/main/steamd/in/dragonbra/javasteam/steammsg.steamd b/src/main/steamd/in/dragonbra/javasteam/steammsg.steamd
index a15260a0..24d123d1 100644
--- a/src/main/steamd/in/dragonbra/javasteam/steammsg.steamd
+++ b/src/main/steamd/in/dragonbra/javasteam/steammsg.steamd
@@ -358,3 +358,15 @@ class MsgClientMarketingMessageUpdate2<EMsg::ClientMarketingMessageUpdate2>
 	uint marketingMessageUpdateTime;
 	uint count;
 };
+
+class MsgClientGetLegacyGameKey<EMsg::ClientGetLegacyGameKey>
+{
+	uint appId;
+};
+
+class MsgClientGetLegacyGameKeyResponse<EMsg::ClientGetLegacyGameKeyResponse>
+{
+	uint appId;
+	EResult result;
+	uint length;
+};