diff --git a/src/main/java/de/bixilon/minosoft/objects/Difficulty.java b/src/main/java/de/bixilon/minosoft/objects/Difficulty.java
new file mode 100644
index 000000000..1b943e6f3
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/objects/Difficulty.java
@@ -0,0 +1,27 @@
+package de.bixilon.minosoft.objects;
+
+public enum Difficulty {
+    PEACEFUL(0),
+    EASY(1),
+    NORMAL(2),
+    HARD(3);
+
+    int id;
+
+    Difficulty(int id) {
+        this.id = id;
+    }
+
+    public static Difficulty byId(int id) {
+        for (Difficulty g : values()) {
+            if (g.getId() == id) {
+                return g;
+            }
+        }
+        return null;
+    }
+
+    public int getId() {
+        return id;
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/objects/Dimension.java b/src/main/java/de/bixilon/minosoft/objects/Dimension.java
new file mode 100644
index 000000000..660be6946
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/objects/Dimension.java
@@ -0,0 +1,26 @@
+package de.bixilon.minosoft.objects;
+
+public enum Dimension {
+    NETHER(-1),
+    OVERWORLD(0),
+    END(1);
+
+    int id;
+
+    Dimension(int id) {
+        this.id = id;
+    }
+
+    public static Dimension byId(int id) {
+        for (Dimension g : values()) {
+            if (g.getId() == id) {
+                return g;
+            }
+        }
+        return null;
+    }
+
+    public int getId() {
+        return id;
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/objects/GameMode.java b/src/main/java/de/bixilon/minosoft/objects/GameMode.java
new file mode 100644
index 000000000..22b3640d0
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/objects/GameMode.java
@@ -0,0 +1,27 @@
+package de.bixilon.minosoft.objects;
+
+public enum GameMode {
+    SURVIVAL(0),
+    CREATIVE(1),
+    ADVENTURE(3),
+    SPECTATOR(4);
+
+    int id;
+
+    GameMode(int id) {
+        this.id = id;
+    }
+
+    public static GameMode byId(int id) {
+        for (GameMode g : values()) {
+            if (g.getId() == id) {
+                return g;
+            }
+        }
+        return null;
+    }
+
+    public int getId() {
+        return id;
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/objects/LevelType.java b/src/main/java/de/bixilon/minosoft/objects/LevelType.java
new file mode 100644
index 000000000..0d7b532cf
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/objects/LevelType.java
@@ -0,0 +1,30 @@
+package de.bixilon.minosoft.objects;
+
+public enum LevelType {
+    DEFAULT("default"),
+    FLAT("flat"),
+    LARGE_BIOMES("largeBiomes"),
+    AMPLIFIED("amplified"),
+    DEFAULT_1_1("default_1_1"),
+    CUSTOMIZED("customized"),
+    BUFFET("buffet");
+
+    String type;
+
+    LevelType(String type) {
+        this.type = type;
+    }
+
+    public static LevelType byType(String type) {
+        for (LevelType g : values()) {
+            if (g.getId().equals(type)) {
+                return g;
+            }
+        }
+        return null;
+    }
+
+    public String getId() {
+        return type;
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/Network.java b/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
index a3fe1799a..63f9a6039 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
@@ -7,9 +7,7 @@ import de.bixilon.minosoft.protocol.packets.serverbound.login.PacketEncryptionRe
 import de.bixilon.minosoft.protocol.protocol.*;
 import de.bixilon.minosoft.util.Util;
 
-import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
 import javax.crypto.SecretKey;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
@@ -124,24 +122,16 @@ public class Network {
                     byte[] raw = p.write(connection.getVersion()).getOutBytes();
                     if (encryptionEnabled) {
                         // encrypt
-                        byte[] encrypted;
-                        try {
-                            encrypted = cipherEncrypt.doFinal(raw);
-                        } catch (IllegalBlockSizeException | BadPaddingException e) {
-                            Log.fatal("Failed to encrypt!");
-                            e.printStackTrace();
-                            binQueue.remove(0);
-                            continue;
-                        }
+                        byte[] encrypted = cipherEncrypt.update(raw);
                         binQueue.add(encrypted);
                     } else {
+                        if (p instanceof PacketEncryptionResponse) {
+                            // enable encryption
+                            enableEncryption(((PacketEncryptionResponse) p).getSecretKey());
+                        }
                         binQueue.add(raw);
                     }
                     queue.remove(0);
-                    if (p instanceof PacketEncryptionResponse) {
-                        // enable encryption
-                        enableEncryption(((PacketEncryptionResponse) p).getSecretKey());
-                    }
                 }
                 while (binQueueIn.size() > 0) {
 
@@ -150,23 +140,16 @@ public class Network {
                     InPacketBuffer inPacketBuffer;
                     if (encryptionEnabled) {
                         // decrypt
-                        byte[] decrypted;
-                        try {
-                            decrypted = cipherDecrypt.doFinal(raw);
-                        } catch (IllegalBlockSizeException | BadPaddingException e) {
-                            Log.fatal("Failed to decrypt!");
-                            e.printStackTrace();
-                            binQueueIn.remove(0);
-                            continue;
-                        }
+                        byte[] decrypted = cipherDecrypt.update(raw);
                         inPacketBuffer = new InPacketBuffer(decrypted);
                     } else {
                         inPacketBuffer = new InPacketBuffer(raw);
                     }
-                    Class<? extends ClientboundPacket> clazz = Protocol.getPacketByPacket(connection.getVersion().getProtocol().getPacketByCommand(connection.getConnectionState(), inPacketBuffer.getCommand()));
+                    Packets.Clientbound p = connection.getVersion().getProtocol().getPacketByCommand(connection.getConnectionState(), inPacketBuffer.getCommand());
+                    Class<? extends ClientboundPacket> clazz = Protocol.getPacketByPacket(p);
 
                     if (clazz == null) {
-                        Log.warn("[IN] Unknown packet with command " + inPacketBuffer.getCommand());
+                        Log.warn(String.format("[IN] Unknown packet with command %x (%s)", inPacketBuffer.getCommand(), ((p != null) ? p.name() : "UNKNOWN")));
                         binQueueIn.remove(0);
                         continue;
                     }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.java b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.java
new file mode 100644
index 000000000..46829dc07
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.java
@@ -0,0 +1,53 @@
+package de.bixilon.minosoft.protocol.packets.clientbound.play;
+
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.objects.Difficulty;
+import de.bixilon.minosoft.objects.Dimension;
+import de.bixilon.minosoft.objects.GameMode;
+import de.bixilon.minosoft.objects.LevelType;
+import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
+import de.bixilon.minosoft.protocol.protocol.InPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.PacketHandler;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+import de.bixilon.minosoft.util.BitByte;
+
+public class PacketJoinGame implements ClientboundPacket {
+    int entityId;
+    boolean hardcore;
+    GameMode gameMode;
+    Dimension dimension;
+    Difficulty difficulty;
+    int maxPlayers;
+    LevelType levelType;
+
+
+    @Override
+    public void read(InPacketBuffer buffer, ProtocolVersion v) {
+        switch (v) {
+            case VERSION_1_7_10:
+                this.entityId = buffer.readInteger();
+                byte gameModeRaw = buffer.readByte();
+                hardcore = BitByte.isBitSet(gameModeRaw, 3);
+                // remove hardcore bit and get gamemode
+                gameModeRaw &= ~0x8;
+                gameMode = GameMode.byId(gameModeRaw);
+
+                dimension = Dimension.byId(buffer.readByte());
+                difficulty = Difficulty.byId(buffer.readByte());
+                maxPlayers = buffer.readByte();
+                levelType = LevelType.byType(buffer.readString());
+                break;
+        }
+        log();
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Receiving join game packet (entityId=%s, gameMode=%s, dimension=%s, difficulty=%s)", entityId, gameMode.name(), dimension.name(), difficulty.name()));
+    }
+
+    @Override
+    public void handle(PacketHandler h) {
+        h.handle(this);
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
index 63d241f23..ab7fd7c36 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
@@ -4,6 +4,7 @@ import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.network.Connection;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketEncryptionKeyRequest;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketLoginSuccess;
+import de.bixilon.minosoft.protocol.packets.clientbound.play.PacketJoinGame;
 import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusPong;
 import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusResponse;
 import de.bixilon.minosoft.protocol.packets.serverbound.login.PacketEncryptionResponse;
@@ -44,4 +45,7 @@ public class PacketHandler {
         // now we are playing
         connection.setConnectionState(ConnectionState.PLAY);
     }
+
+    public void handle(PacketJoinGame pkg) {
+    }
 }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java b/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
index c67e2a32a..584e9774f 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
@@ -3,6 +3,7 @@ package de.bixilon.minosoft.protocol.protocol;
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketEncryptionKeyRequest;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketLoginSuccess;
+import de.bixilon.minosoft.protocol.packets.clientbound.play.PacketJoinGame;
 import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusPong;
 import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusResponse;
 
@@ -30,5 +31,7 @@ public interface Protocol {
         packetClassMapping.put(Packets.Clientbound.STATUS_PONG, PacketStatusPong.class);
         packetClassMapping.put(Packets.Clientbound.LOGIN_ENCRYPTION_REQUEST, PacketEncryptionKeyRequest.class);
         packetClassMapping.put(Packets.Clientbound.LOGIN_LOGIN_SUCCESS, PacketLoginSuccess.class);
+
+        packetClassMapping.put(Packets.Clientbound.PLAY_JOIN_GAME, PacketJoinGame.class);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/de/bixilon/minosoft/util/BitByte.java b/src/main/java/de/bixilon/minosoft/util/BitByte.java
new file mode 100644
index 000000000..061107452
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/util/BitByte.java
@@ -0,0 +1,10 @@
+package de.bixilon.minosoft.util;
+
+public class BitByte {
+    public static boolean isBitSet(byte in, int pos) {
+        boolean bitSet;
+        int mask = 1 << pos;
+        bitSet = ((in & mask) == mask);
+        return bitSet;
+    }
+}