diff --git a/JavascriptServer/concepts/entity.js b/JavascriptServer/concepts/entity.js
index f36bea2..9bcb201 100644
--- a/JavascriptServer/concepts/entity.js
+++ b/JavascriptServer/concepts/entity.js
@@ -2,6 +2,7 @@ import { EventEmitter } from "events";
 import { CircleCollider, BoxCollider, PolygonCollider } from '#concepts/collider';
 
 import { v4 as uuidv4 } from 'uuid';
+import { isDeepStrictEqual } from 'util';
 
 // a thing
 class Entity extends EventEmitter {
@@ -21,7 +22,7 @@ class Entity extends EventEmitter {
     angle = 0;
     
     prev_pos;
-    prev_serialized; // json of serialized entity
+    serialized; // save the last serialized version of this entity (to compare changes)
     
     base_size = { x: 64, y: 64 };
     scale = { x: 1, y: 1 };
@@ -112,10 +113,10 @@ class Entity extends EventEmitter {
         this.emit('update');
         
         // if something changed - send again (add to the room's bundle)
-        const serialized = JSON.stringify(this.serialize());
-        if (serialized != this.prev_serialized || this.sendEveryTick) {
-            this.prev_serialized = serialized;
-            this.send(); // add to the bundle
+        const new_serialized = this.serialize();
+        if (this.sendEveryTick || !isDeepStrictEqual(new_serialized, this.serialized)) {
+            this.serialized = new_serialized;
+            this.send(true); // add to the bundle
         }
     }
     
@@ -187,10 +188,6 @@ class Entity extends EventEmitter {
             this.regenerateCollider(x, y);
         }
         
-        // if (this.size.x != this.prev_size.x || this.size.y != this.prev_size.y) {
-        //     // change the collider scale by the same ratio as the entity scale
-        //     this.collider.setScale(this.collider.scaleX * this.size.x / this.prev_size.x, this.collider.scaleY * this.size.y / this.prev_size.y);
-        // }
         this.collider.setAngle(this.angle);
         this.collider.setPosition(x, y);
         this.tree.updateBody(this.collider);
@@ -278,8 +275,9 @@ class Entity extends EventEmitter {
             y: this.roundedPos(this.y),
             xs: this.xscale,
             ys: this.yscale,
+            a: this.angle,
             spd: this.spd,
-            p: this.props,
+            p: this.props, // uses a getter for props
             st: this.state
         };
     }
@@ -288,8 +286,14 @@ class Entity extends EventEmitter {
         return this.serialize();
     }
     
-    send() {
-        const data = this.bundle();
+    send(cached = false) {
+        let data;
+        
+        if (!cached)
+            data = this.bundle();
+        else
+            data = this.serialized;
+        
         this.room.bundle.push(data);
     }
     
@@ -299,11 +303,6 @@ class Entity extends EventEmitter {
         let w = this.width, h = this.height;
         
         return {
-            // left: x - w/2,
-            // top: y - h/2,
-            // right: x + w/2,
-            // bottom: y + h/2,
-            
             left: x,
             top: y,
             right: x + w,
diff --git a/JavascriptServer/config.js b/JavascriptServer/config.js
index 4f50041..66124e5 100644
--- a/JavascriptServer/config.js
+++ b/JavascriptServer/config.js
@@ -90,24 +90,24 @@ const common_config = {
     
     // some fundamental lobby settings
     lobby: {
-        max_players: 100,
-        add_into_play_on_full: true,
-        add_into_play_on_join: false,
+        max_players: 100, // used when creating a lobby with no map/game mode
+        add_into_play_on_full: true,    // true - add all the players into play at the same time once the lobby is filled,
+        add_into_play_on_join: false, // true - add players one by one immediately as they join a lobby
         allow_join_by_id: false,
         close_on_leave: true // close the lobby if a player leaves
     },
     
     room: {
         // .yy room loading
-        rooms_path: '../Client/rooms',
+        rooms_path: '../Client/rooms', // (overriden in prod config)
         warn_on_unknown_entity: false,
         
-        use_starting_room: true,
-        use_last_profile_room: false,
-        use_persistent_position: false,
+        use_starting_room: true, // join config.room.starting_room on start
+        use_last_profile_room: false, // join client.profile.state.room on start if logged in
+        use_persistent_position: false, // load the last x/y from the profile on room join and save them on room leave
         
         starting_room: 'Test Room',
-        rest_timeout: 5,
+        rest_timeout: 5,    // (seconds) - prevents rooms from processing entities
         // when no players are present for a certain amount of time
         // set to -1 to disable this feature
         // (!!! setting to 0 might cause problems and unexpected behaviour !!!)
@@ -116,42 +116,42 @@ const common_config = {
     },
     
     party: {
-        max_members: 5,
+        max_members: 5, // max party size
         leader_only_mm: false // true - only party leader can start matchmaking
     },
     
     matchmaking: {
-        mmr_starting: 1000,
-        mmr_min: 1,
+        mmr_starting: 1000, // the starting mmr given to new players
+        mmr_min: 1, // can't go below this
         
-        mmr_scale: 1000,
+        mmr_scale: 1000, // lower number = less effect opponent's mmr has on mmr change
         // (chess uses 400, meaning a player with 400 mmr more is on average 10x more likely to win)
-        mmr_max_gain: 50,
-        mmr_max_difference: 500,
+        mmr_max_gain: 50, // the maximum possible amount of mmr that a player can gain after a single game, winning against an equal opponent will give half of this
+        mmr_max_difference: 500, // can't ever register a ranked match with players' mmr difference more than this
         
         process_interval: 1 * 1000 // matchmaking: attempt to create new matches every X ms
     },
     
-    tps: 20,
+    tps: 20, // tickrate
     
     // Disable some of the features that you don't need in your game
     // true = enabled, false = disabled
-    timestamps_enabled: true,
-    ws_enabled: true,
-    db_enabled: true,
-    shell_enabled: false,
-    rooms_enabled: true,
-    entities_enabled: true,
-    dt_enabled: true,
-    ssl_enabled: false,
-    logging_enabled: true,
-    validation_enabled: true,
-    middleware_enabled: true,
-    matchmaking_enabled: true,
-    
-    verbose_lag: false,
-    
-    necessary_login: false,
+    timestamps_enabled: true, // send timestamps with each packet (there is a client-side config as well)
+    ws_enabled: true, // websocket server?
+    db_enabled: true, // MongoDB support
+    shell_enabled: false, // toggles a console that allows code execution while running the game (better to change this in prod/dev configs rather than here)
+    rooms_enabled: true, // toggles lobbies being split into rooms (sub-lobbies with entities)
+    entities_enabled: true, // toggles loading/spawning entities
+    dt_enabled: true, // toggles delta time for entity physics
+    ssl_enabled: false, // SSL support. false by default (best set in the prod/dev configs)
+    logging_enabled: true, // whether or not to log trace()'d messages to server_log.txt
+    validation_enabled: true, // validate the incoming commands using ValidatorJS's validators
+    middleware_enabled: true, // middleware to execute before some packets are handled
+    matchmaking_enabled: true, // use the matchmaking system with queues and tickets
+    
+    verbose_lag: false, // logs warning messages to chat when a game tick is taking longer than expected
+    
+    necessary_login: false, // if true, won't allow a client to join any lobby before logging in
     
     ping_interval: 5 * 1000
 };
@@ -161,7 +161,7 @@ const prod_config = {
         server: 'production'
     },
     env_name: 'prod',
-    ip: '0.0.0.0',
+    ip: '0.0.0.0', // you need to replace this with your domain if using ssl for it to work
     port: parseInt(args.port) || 1337,
     ws_port: parseInt(args.ws_port) || 3000,
     
@@ -174,7 +174,7 @@ const prod_config = {
     ssl_cert_path: '/etc/letsencrypt/live/example.com/cert.pem',
     ssl_key_path: '/etc/letsencrypt/live/example.com/privkey.pem',
     
-    db: args.db || 'mongodb://127.0.0.1:27017/warp-game',
+    db: args.db || 'mongodb://127.0.0.1:27017/warp-game', // by default it uses the same db name for dev/prod, but
     // you can add a postfix at the end of the name to separate them
     shell_enabled: false,
     verbose_lag: false,
diff --git a/JavascriptServer/schemas/profile.js b/JavascriptServer/schemas/profile.js
index c1a6a01..524f08c 100644
--- a/JavascriptServer/schemas/profile.js
+++ b/JavascriptServer/schemas/profile.js
@@ -12,7 +12,7 @@ const profileSchema = new Schema({
     last_online: { type: Date, default: Date.now },
     
     friends: [{ type: Schema.Types.ObjectId, ref: 'Profile' }],
-    mmr: { type: Number, required: false },
+    mmr: { type: Number, required: false }, // matchmaking rating
     
     
     state: {
diff --git a/JavascriptServer/util/load_room.js b/JavascriptServer/util/load_room.js
index 377aa10..348761c 100644
--- a/JavascriptServer/util/load_room.js
+++ b/JavascriptServer/util/load_room.js
@@ -65,6 +65,7 @@ export default function LoadRoom(room_name) {
                     y: inst.y,
                     xs: inst.scaleX,
                     ys: inst.scaleY,
+                    a: inst.rotation,
                     t: type,
                     spd: { x: 0, y: 0 },
                     p: props,
diff --git a/Release/GMClient.zip b/Release/GMClient.zip
index 9c5fecf..6adb3a2 100644
Binary files a/Release/GMClient.zip and b/Release/GMClient.zip differ
diff --git a/Release/JSServer.zip b/Release/JSServer.zip
index 6f84a63..2c819a0 100644
Binary files a/Release/JSServer.zip and b/Release/JSServer.zip differ
diff --git a/Release/TSServer.zip b/Release/TSServer.zip
index 42768ec..ff46f29 100644
Binary files a/Release/TSServer.zip and b/Release/TSServer.zip differ
diff --git a/Release/Warp.yymps b/Release/Warp.yymps
index 9c5fecf..6adb3a2 100644
Binary files a/Release/Warp.yymps and b/Release/Warp.yymps differ
diff --git a/Release/WebClient.zip b/Release/WebClient.zip
index 0a3404d..89af152 100644
Binary files a/Release/WebClient.zip and b/Release/WebClient.zip differ
diff --git a/TypescriptServer/src/util/load_room.ts b/TypescriptServer/src/util/load_room.ts
index 800b842..48a2646 100644
--- a/TypescriptServer/src/util/load_room.ts
+++ b/TypescriptServer/src/util/load_room.ts
@@ -72,6 +72,7 @@ export default function LoadRoom(room_name:string):LoadedRoom {
                     y: inst.y,
                     xs: inst.scaleX,
                     ys: inst.scaleY,
+                    a: inst.rotation,
                     t: type,
                     spd: {x: 0, y: 0},
                     p: props,