diff --git a/config/default-settings.json b/config/default-settings.json
index 27ef0fa..a250ab1 100644
--- a/config/default-settings.json
+++ b/config/default-settings.json
@@ -6,15 +6,15 @@
   "logging": true,
   "gameMode": 1,
   "generation": {
-    "name":"diamond_square",
+    "name": "diamond_square",
     "options":{
-      "worldHeight":80
+      "worldHeight": 80
     }
   },
-  "kickTimeout":10000,
+  "kickTimeout": 10000,
   "plugins": {
     
   },
   "modpe": false,
-  "view-distance":10
+  "view-distance": 10
 }
diff --git a/src/lib/command.js b/src/lib/command.js
index 20a4721..05fa032 100644
--- a/src/lib/command.js
+++ b/src/lib/command.js
@@ -24,10 +24,11 @@ class Command {
     return res;
   }
 
-  async use(command) {
+  async use(command, op=true) {
     var res = this.find(command);
 
     if(res) {
+      if (res[0].params.op && !op) return 'You do not have permission to use this command';
       var parse = res[0].params.parse;
       if(parse) {
         if(typeof parse == 'function') {
@@ -74,6 +75,10 @@ class Command {
     var first = !(this.parent && this.parent.parent);
     return this.params.merged || (!end && first) ? '' : ' ';
   }
+
+  setOp(op) {
+    this.params.op = op;
+  }
 }
 
 module.exports=Command;
\ No newline at end of file
diff --git a/src/lib/plugins/blocks.js b/src/lib/plugins/blocks.js
index 43d00b4..d47c383 100644
--- a/src/lib/plugins/blocks.js
+++ b/src/lib/plugins/blocks.js
@@ -32,6 +32,7 @@ module.exports.player=function(player,serv)
     base: 'setblock',
     info: 'to put a block',
     usage: '/setblock <x> <y> <z> <id> <data>',
+    op: true,
     parse(str) {
       var results = str.match(/^(~|~?-?[0-9]*) (~|~?-?[0-9]*) (~|~?-?[0-9]*) ([0-9]{1,3}) ([0-9]{1,3})/);
       if(!results) return false;
diff --git a/src/lib/plugins/commands.js b/src/lib/plugins/commands.js
index 61f99c6..6f20440 100644
--- a/src/lib/plugins/commands.js
+++ b/src/lib/plugins/commands.js
@@ -18,7 +18,7 @@ module.exports.player=function(player) {
           if(used.indexOf(hash[key]) > -1) continue;
           used.push(hash[key]);
 
-          if(hash[key].params.info) {
+          if(hash[key].params.info && (player.op || !hash[key].params.op)) {
             var str = hash[key].params.usage + ' ' + hash[key].params.info;
             if(hash[key].params.aliases && hash[key].params.aliases.length) {
               str += ' (aliases: ' + hash[key].params.aliases.join(', ') + ')';
@@ -76,7 +76,7 @@ module.exports.player=function(player) {
 
   player.handleCommand = async (str) => {
     try {
-      var res = await player.commands.use(str);
+      var res = await player.commands.use(str, player.op);
       if (res) player.chat('' + res);
     }
     catch(err) {
diff --git a/src/lib/plugins/daycycle.js b/src/lib/plugins/daycycle.js
index 5649a2b..5e36fc4 100644
--- a/src/lib/plugins/daycycle.js
+++ b/src/lib/plugins/daycycle.js
@@ -29,6 +29,7 @@ module.exports.player=function(player,serv){
     base: 'night',
     info: 'to change a time to night',
     usage: '/night',
+    op: true,
     action() {
       return player.handleCommand('time set night');
     }
@@ -38,6 +39,7 @@ module.exports.player=function(player,serv){
     base: 'time',
     info: 'to change a time',
     usage: '/time <add|query|set> <value>',
+    op: true,
     parse(str) {
       var data = str.match(/^(add|query|set)(?: ([0-9]+|day|night))?/);
       if(!data) return false;
@@ -68,6 +70,7 @@ module.exports.player=function(player,serv){
     base: 'day',
     info: 'to change a time to day',
     usage: '/day',
+    op: true,
     action() {
       return player.handleCommand('time set day');
     }
diff --git a/src/lib/plugins/login.js b/src/lib/plugins/login.js
index 563c384..9d9cf02 100644
--- a/src/lib/plugins/login.js
+++ b/src/lib/plugins/login.js
@@ -38,6 +38,7 @@ module.exports.player=function(player,serv)
     player.health = 20;
     player.food = 20;
     player.crouching = false; // Needs added in prismarine-entity later
+    player.op = true; // REMOVE THIS WHEN OUT OF TESTING
     player.username=player._client.username;
     serv.players.push(player);
     serv.uuidToPlayer[player._client.uuid] = player;
diff --git a/src/lib/plugins/moderation.js b/src/lib/plugins/moderation.js
index 3378e4d..98b0444 100644
--- a/src/lib/plugins/moderation.js
+++ b/src/lib/plugins/moderation.js
@@ -71,6 +71,7 @@ module.exports.player=function(player,serv)
     base: 'kick',
     info: 'to kick a player',
     usage: '/kick <player> [reason]',
+    op: true,
     parse(str) {
       if(!str.match(/([a-zA-Z0-9_]+)(?: (.*))?/))
         return false;
@@ -95,6 +96,7 @@ module.exports.player=function(player,serv)
     base: 'ban',
     info: 'to ban a player',
     usage: '/ban <player> [reason]',
+    op: true,
     parse(str) {
       if(!str.match(/([a-zA-Z0-9_]+)(?: (.*))?/))
         return false;
@@ -125,6 +127,7 @@ module.exports.player=function(player,serv)
     base: 'pardon',
     info: 'to pardon a player',
     usage: '/pardon <player>',
+    op: true,
     parse(str) {
       if(!str.match(/([a-zA-Z0-9_]+)/))
         return false;
diff --git a/src/lib/plugins/particle.js b/src/lib/plugins/particle.js
index 41b4768..f5824a5 100644
--- a/src/lib/plugins/particle.js
+++ b/src/lib/plugins/particle.js
@@ -29,6 +29,7 @@ module.exports.player=function(player,serv){
     base: 'particle',
     info: 'emit a particle at a position',
     usage: '/particle <id> [amount] [<sizeX> <sizeY> <sizeZ>]',
+    op: true,
     parse(str) {
       var results=str.match(/(\d+)(?: (\d+))?(?: (\d+))?(?: (\d+))?(?: (\d+))?(?: (\d+))?/);
       if(!results) return false;
diff --git a/src/lib/plugins/players.js b/src/lib/plugins/players.js
index 570f289..dcd4122 100644
--- a/src/lib/plugins/players.js
+++ b/src/lib/plugins/players.js
@@ -19,6 +19,7 @@ module.exports.player=function(player){
     aliases: ['gm'],
     info: 'to change game mode',
     usage: '/gamemode <0-3>',
+    op: true,
     parse(str) {
       var results;
       if(!(results = str.match(/^([0-3])$/)))
diff --git a/src/lib/plugins/pvp.js b/src/lib/plugins/pvp.js
index f5c85e4..a9cc304 100644
--- a/src/lib/plugins/pvp.js
+++ b/src/lib/plugins/pvp.js
@@ -39,6 +39,7 @@ module.exports.player=function(player,serv)
     base: 'killall',
     info: 'Kill everything',
     usage: '/killall',
+    op: true,
     action() {
       Object.keys(serv.entities).forEach(key => serv.entities[key].takeDamage({damage:20}));
     }
diff --git a/src/lib/plugins/sound.js b/src/lib/plugins/sound.js
index 678a698..29292c7 100644
--- a/src/lib/plugins/sound.js
+++ b/src/lib/plugins/sound.js
@@ -68,6 +68,7 @@ module.exports.player=function(player,serv) {
     base: 'playsound',
     info: 'to play sound for yourself',
     usage: '/playsound <sound_name> [volume] [pitch]',
+    op: true,
     parse(str) {
       var results=str.match(/([^ ]+)(?: ([^ ]+))?(?: ([^ ]+))?/);
       if(!results) return false;
@@ -87,6 +88,7 @@ module.exports.player=function(player,serv) {
     base: 'playsoundforall',
     info: 'to play sound for everyone',
     usage: '/playsoundforall <sound_name> [volume] [pitch]',
+    op: true,
     parse(str) {
       var results=str.match(/([^ ]+)(?: ([^ ]+))?(?: ([^ ]+))?/);
       if(!results) return false;
diff --git a/src/lib/plugins/spawn.js b/src/lib/plugins/spawn.js
index 36ce4c5..39eb868 100644
--- a/src/lib/plugins/spawn.js
+++ b/src/lib/plugins/spawn.js
@@ -72,6 +72,7 @@ module.exports.player=function(player,serv){
     base: 'spawn',
     info: 'Spawn a mob',
     usage: '/spawn <entity_id>',
+    op: true,
     parse(str) {
       var results=str.match(/(\d+)/);
       if (!results) return false;
@@ -90,6 +91,7 @@ module.exports.player=function(player,serv){
     base: 'spawnObject',
     info: 'Spawn an object',
     usage: '/spawnObject <entity_id>',
+    op: true,
     parse(str) {
       var results=str.match(/(\d+)/);
       if (!results) return false;
@@ -108,6 +110,7 @@ module.exports.player=function(player,serv){
     base: 'summon',
     info: 'Summon an entity',
     usage: '/summon <entity_name>',
+    op: true,
     action(name) {
       var entity=entitiesByName[name];
       if(!entity) {
@@ -124,6 +127,7 @@ module.exports.player=function(player,serv){
     base: 'attach',
     info: 'attach an entity on an other entity',
     usage: '/attach <carrierId> <attachedId>',
+    op: true,
     parse(str)  {
       var pars=str.split(' ');
       if(pars.length!=2)
diff --git a/src/lib/plugins/tp.js b/src/lib/plugins/tp.js
index adf8be6..534b4e1 100644
--- a/src/lib/plugins/tp.js
+++ b/src/lib/plugins/tp.js
@@ -4,7 +4,7 @@ module.exports.player = (player, serv) => {
 
   var getPos = (num, dir='x', p=player) => {
     if (num[0] == '~') return p.position[dir] + parseInt(num.slice(1, num.length) || 0)*32;
-    else return parseInt(num);
+    else return parseInt(num)*32;
   }
 
   player.commands.add({
@@ -12,6 +12,7 @@ module.exports.player = (player, serv) => {
     aliases: ['tp'],
     info: 'to teleport a player',
     usage: '/teleport [target player] <destination player or x> [y] [z]',
+    op: true,
     parse(str) {
       return str.match(/^(((\w* )?~?-?\d* ~?-?\d* ~?-?\d*)|(\w* \w*))$/) ? str.split(' ') : false;
     },
diff --git a/src/lib/plugins/world.js b/src/lib/plugins/world.js
index 97ee6bf..04378a9 100644
--- a/src/lib/plugins/world.js
+++ b/src/lib/plugins/world.js
@@ -179,6 +179,7 @@ module.exports.player=function(player,serv,settings) {
     base: 'changeworld',
     info: 'to change world',
     usage: '/changeworld overworld|nether',
+    op: true,
     action(world) {
       if(world=="nether") player.changeWorld(serv.netherworld, {dimension: -1});
       if(world=="overworld") player.changeWorld(serv.overworld, {dimension: 0});