diff --git a/src/extraScripts/loghighlight.js b/src/extraScripts/loghighlight.js
index b713f9e..dd60393 100644
--- a/src/extraScripts/loghighlight.js
+++ b/src/extraScripts/loghighlight.js
@@ -5,7 +5,9 @@ const readline = require("readline");
 const args = process.argv;
 for (
   let i =
-    process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1
+    process.argv[0].indexOf("node") > -1 ||
+    process.argv[0].indexOf("bun") > -1 ||
+    process.argv[0].indexOf("deno") > -1
       ? 2
       : 1;
   i < args.length;
diff --git a/src/extraScripts/logviewer.js b/src/extraScripts/logviewer.js
index f02575e..44e4cb0 100644
--- a/src/extraScripts/logviewer.js
+++ b/src/extraScripts/logviewer.js
@@ -6,7 +6,9 @@ const readline = require("readline");
 const args = process.argv;
 for (
   let i =
-    process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1
+    process.argv[0].indexOf("node") > -1 ||
+    process.argv[0].indexOf("bun") > -1 ||
+    process.argv[0].indexOf("deno") > -1
       ? 2
       : 1;
   i < args.length;
diff --git a/src/extraScripts/svrpasswd.js b/src/extraScripts/svrpasswd.js
index 25c6820..f87f7ea 100644
--- a/src/extraScripts/svrpasswd.js
+++ b/src/extraScripts/svrpasswd.js
@@ -299,7 +299,9 @@ if (
   args.push("-h");
 for (
   let i =
-    process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1
+    process.argv[0].indexOf("node") > -1 ||
+    process.argv[0].indexOf("bun") > -1 ||
+    process.argv[0].indexOf("deno") > -1
       ? 2
       : 1;
   i < args.length;
diff --git a/src/handlers/serverErrorHandler.js b/src/handlers/serverErrorHandler.js
index 94b6cf9..1781e4e 100644
--- a/src/handlers/serverErrorHandler.js
+++ b/src/handlers/serverErrorHandler.js
@@ -1,5 +1,5 @@
 const os = require("os");
-const cluster = require("../utils/clusterBunShim.js");
+const cluster = require("../utils/clusterShim.js");
 const serverErrorDescs = require("../res/serverErrorDescriptions.js");
 let serverconsole = {};
 let attmts = 5;
diff --git a/src/index.js b/src/index.js
index 94f43bd..0f1d155 100644
--- a/src/index.js
+++ b/src/index.js
@@ -138,7 +138,9 @@ let disableMods = false;
 const args = process.argv;
 for (
   let i =
-    process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1
+    process.argv[0].indexOf("node") > -1 ||
+    process.argv[0].indexOf("bun") > -1 ||
+    process.argv[0].indexOf("deno") > -1
       ? 2
       : 1;
   i < args.length;
@@ -197,7 +199,7 @@ if (!fs.existsSync(process.dirname + "/mods"))
 if (!fs.existsSync(process.dirname + "/temp"))
   fs.mkdirSync(process.dirname + "/temp");
 
-const cluster = require("./utils/clusterBunShim.js"); // Cluster module with shim for Bun
+const cluster = require("./utils/clusterShim.js"); // Cluster module with shim for Bun and Deno
 const legacyModWrapper = require("./utils/legacyModWrapper.js");
 const generateErrorStack = require("./utils/generateErrorStack.js");
 const {
@@ -631,6 +633,7 @@ try {
 }
 
 if (vnum === undefined) vnum = 0;
+if (process.versions && process.versions.deno) vnum = 64;
 if (process.isBun) vnum = 64;
 
 let mods = [];
@@ -1416,27 +1419,51 @@ function SVRJSFork() {
       serverconsole.locwarnmessage(
         `${name} limited the number of workers to one, because of startup problems in Bun 1.0 and newer with shimmed (not native) clustering module. Reliability may suffer.`
       );
+    } else if (
+      !threadLimitWarned &&
+      cluster.__shimmed__ &&
+      process.versions &&
+      process.versions.deno
+    ) {
+      threadLimitWarned = true;
+      serverconsole.locwarnmessage(
+        `${name} limited the number of workers to one, because of startup problems in Deno with shimmed (not native) clustering module. Reliability may suffer.`
+      );
     }
     if (
       !(
         cluster.__shimmed__ &&
-        process.isBun &&
-        process.versions.bun &&
-        process.versions.bun[0] != "0" &&
+        ((process.isBun &&
+          process.versions.bun &&
+          process.versions.bun[0] != "0") ||
+          (process.versions && process.versions.deno)) &&
         Object.keys(cluster.workers) > 0
       )
     ) {
       newWorker = cluster.fork();
     } else {
-      if (SVRJSInitialized)
-        serverconsole.locwarnmessage(
-          `${name} limited the number of workers to one, because of startup problems in Bun 1.0 and newer with shimmed (not native) clustering module. Reliability may suffer.`
-        );
+      if (SVRJSInitialized) {
+        if (
+          process.isBun &&
+          process.versions.bun &&
+          process.versions.bun[0] != "0"
+        )
+          serverconsole.locwarnmessage(
+            `${name} limited the number of workers to one, because of startup problems in Bun 1.0 and newer with shimmed (not native) clustering module. Reliability may suffer.`
+          );
+        else if (process.versions && process.versions.deno)
+          serverconsole.locwarnmessage(
+            `${name} limited the number of workers to one, because of startup problems in Deno with shimmed (not native) clustering module. Reliability may suffer.`
+          );
+      }
     }
   } catch (err) {
-    if (err.name == "NotImplementedError") {
+    if (
+      err.name == "NotImplementedError" ||
+      err.message == "Not implemented: cluster.fork"
+    ) {
       // If cluster.fork throws a NotImplementedError, shim cluster module
-      cluster.bunShim();
+      cluster.shim();
       if (
         !threadLimitWarned &&
         cluster.__shimmed__ &&
@@ -1710,6 +1737,10 @@ function start(init) {
           serverconsole.locwarnmessage(
             "PBKDF2 password hashing function in Bun versions older than v1.1.13 blocks the event loop, which may result in denial of service."
           );
+      } else if (process.versions && process.versions.deno) {
+        serverconsole.locwarnmessage(
+          `Deno support is experimental. Some features of ${name}, ${name} mods and ${name} server-side JavaScript may not work as expected.`
+        );
       }
       if (cluster.isPrimary === undefined)
         serverconsole.locwarnmessage(
@@ -1725,6 +1756,7 @@ function start(init) {
         );
       if (
         !process.isBun &&
+        !(process.versions && process.versions.deno) &&
         /^v(?:[0-9]\.|1[0-7]\.|18\.(?:[0-9]|1[0-8])\.|18\.19\.0|20\.(?:[0-9]|10)\.|20\.11\.0|21\.[0-5]\.|21\.6\.0|21\.6\.1(?![0-9]))/.test(
           process.version
         )
@@ -1734,6 +1766,7 @@ function start(init) {
         );
       if (
         !process.isBun &&
+        !(process.versions && process.versions.deno) &&
         /^v(?:[0-9]\.|1[0-7]\.|18\.(?:1?[0-9])\.|18\.20\.0|20\.(?:[0-9]|1[01])\.|20\.12\.0|21\.[0-6]\.|21\.7\.0|21\.7\.1(?![0-9]))/.test(
           process.version
         )
@@ -1805,6 +1838,8 @@ function start(init) {
       serverconsole.locmessage("Server version: " + version);
       if (process.isBun)
         serverconsole.locmessage("Bun version: v" + process.versions.bun);
+      else if (process.versions && process.versions.deno)
+        serverconsole.locmessage("Deno version: " + process.versions.deno);
       else serverconsole.locmessage("Node.JS version: " + process.version);
       const CPUs = os.cpus();
       if (CPUs.length > 0)
diff --git a/src/middleware/blocklist.js b/src/middleware/blocklist.js
index a204d53..258aa29 100644
--- a/src/middleware/blocklist.js
+++ b/src/middleware/blocklist.js
@@ -1,4 +1,4 @@
-const cluster = require("../utils/clusterBunShim.js");
+const cluster = require("../utils/clusterShim.js");
 const ipBlockList = require("../utils/ipBlockList.js");
 let blocklist = ipBlockList(process.serverConfig.blacklist);
 
diff --git a/src/middleware/nonStandardCodesAndHttpAuthentication.js b/src/middleware/nonStandardCodesAndHttpAuthentication.js
index bf452ef..745cd4c 100644
--- a/src/middleware/nonStandardCodesAndHttpAuthentication.js
+++ b/src/middleware/nonStandardCodesAndHttpAuthentication.js
@@ -4,7 +4,7 @@ const createRegex = require("../utils/createRegex.js");
 const ipMatch = require("../utils/ipMatch.js");
 const matchHostname = require("../utils/matchHostname.js");
 const ipBlockList = require("../utils/ipBlockList.js");
-const cluster = require("../utils/clusterBunShim.js");
+const cluster = require("../utils/clusterShim.js");
 const svrjsInfo = require("../../svrjs.json");
 const { name } = svrjsInfo;
 
diff --git a/src/res/statusCodes.js b/src/res/statusCodes.js
index ece40da..df06b36 100644
--- a/src/res/statusCodes.js
+++ b/src/res/statusCodes.js
@@ -2,7 +2,70 @@ const http = require("http");
 
 const statusCodes = {
   ...http.STATUS_CODES,
+  100: "Continue",
+  101: "Switching Protocols",
+  102: "Processing",
+  103: "Early Hints",
+  200: "OK",
+  201: "Created",
+  202: "Accepted",
+  203: "Non-Authoritative Information",
+  204: "No Content",
+  205: "Reset Content",
+  206: "Partial Content",
+  207: "Multi-Status",
+  208: "Already Reported",
+  226: "IM Used",
+  300: "Multiple Choices",
+  301: "Moved Permanently",
+  302: "Found",
+  303: "See Other",
+  304: "Not Modified",
+  305: "Use Proxy",
+  307: "Temporary Redirect",
+  308: "Permanent Redirect",
+  400: "Bad Request",
+  401: "Unauthorized",
+  402: "Payment Required",
+  403: "Forbidden",
+  404: "Not Found",
+  405: "Method Not Allowed",
+  406: "Not Acceptable",
+  407: "Proxy Authentication Required",
+  408: "Request Timeout",
+  409: "Conflict",
+  410: "Gone",
+  411: "Length Required",
+  412: "Precondition Failed",
+  413: "Payload Too Large",
+  414: "URI Too Long",
+  415: "Unsupported Media Type",
+  416: "Range Not Satisfiable",
+  417: "Expectation Failed",
+  418: "I'm a Teapot",
+  421: "Misdirected Request",
+  422: "Unprocessable Entity",
+  423: "Locked",
+  424: "Failed Dependency",
+  425: "Too Early",
+  426: "Upgrade Required",
+  428: "Precondition Required",
+  429: "Too Many Requests",
+  431: "Request Header Fields Too Large",
+  451: "Unavailable For Legal Reasons",
   497: "HTTP Request Sent to HTTPS Port",
+  500: "Internal Server Error",
+  501: "Not Implemented",
+  502: "Bad Gateway",
+  503: "Service Unavailable",
+  504: "Gateway Timeout",
+  505: "HTTP Version Not Supported",
+  506: "Variant Also Negotiates",
+  507: "Insufficient Storage",
+  508: "Loop Detected",
+  509: "Bandwidth Limit Exceeded",
+  510: "Not Extended",
+  511: "Network Authentication Required",
   598: "Network Read Timeout Error",
   599: "Network Connect Timeout Error"
 };
diff --git a/src/utils/clusterBunShim.js b/src/utils/clusterShim.js
similarity index 96%
rename from src/utils/clusterBunShim.js
rename to src/utils/clusterShim.js
index e7c375b..a9b75c4 100644
--- a/src/utils/clusterBunShim.js
+++ b/src/utils/clusterShim.js
@@ -13,9 +13,9 @@ if (!process.singleThreaded) {
     // Clustering is not supported!
   }
 
-  // Cluster & IPC shim for Bun
+  // Cluster & IPC shim for Bun and Deno
 
-  cluster.bunShim = () => {
+  cluster.shim = () => {
     cluster.isMaster = !process.env.NODE_UNIQUE_ID;
     cluster.isPrimary = cluster.isMaster;
     cluster.isWorker = !cluster.isMaster;
@@ -126,7 +126,7 @@ if (!process.singleThreaded) {
           };
 
           try {
-            worker.send(undefined);
+            if (process.isBun) worker.send(undefined);
           } catch (err) {
             if (err.message === "NOT IMPLEMENTED") {
               sendImplemented = false;
@@ -216,11 +216,11 @@ if (!process.singleThreaded) {
   };
 
   if (
-    process.isBun &&
+    (process.isBun || (process.versions && process.versions.deno)) &&
     (cluster.isMaster === undefined ||
       (cluster.isMaster && process.env.NODE_UNIQUE_ID))
   ) {
-    cluster.bunShim();
+    cluster.shim();
   }
 
   // Shim cluster.isPrimary field
diff --git a/src/utils/generateServerString.js b/src/utils/generateServerString.js
index ccd5a74..9e764a9 100644
--- a/src/utils/generateServerString.js
+++ b/src/utils/generateServerString.js
@@ -7,7 +7,12 @@ function generateServerString(exposeServerVersion) {
     ? `${name.replace(/ /g, "-")}/${version} (${getOS()}; ${
         process.isBun
           ? "Bun/v" + process.versions.bun + "; like Node.JS/" + process.version
-          : "Node.JS/" + process.version
+          : process.versions && process.versions.deno
+            ? "Deno/v" +
+              process.versions.deno +
+              "; like Node.JS/" +
+              process.version
+            : "Node.JS/" + process.version
       })`
     : name.replace(/ /g, "-");
 }
diff --git a/src/utils/sendStatistics.js b/src/utils/sendStatistics.js
index e502aa8..f7e4e96 100644
--- a/src/utils/sendStatistics.js
+++ b/src/utils/sendStatistics.js
@@ -28,8 +28,16 @@ try {
 function sendStatistics(modInfos, callback) {
   const statisticsToSend = JSON.stringify({
     version: version,
-    runtime: process.isBun ? "Bun" : "Node.js",
-    runtimeVersion: process.isBun ? process.versions.bun : process.version,
+    runtime: process.isBun
+      ? "Bun"
+      : process.versions && process.versions.deno
+        ? "Deno"
+        : "Node.js",
+    runtimeVersion: process.isBun
+      ? process.versions.bun
+      : process.versions && process.versions.deno
+        ? process.versions.deno
+        : process.version,
     mods: modInfos
   });
   const statisticsRequest = https.request(
diff --git a/src/utils/serverconsole.js b/src/utils/serverconsole.js
index b5f776e..e89666d 100644
--- a/src/utils/serverconsole.js
+++ b/src/utils/serverconsole.js
@@ -3,7 +3,7 @@ const fs = require("fs");
 let enableLoggingIntoFile = process.serverConfig.enableLogging;
 let logFile = undefined;
 let logSync = false;
-let cluster = require("./clusterBunShim.js");
+let cluster = require("./clusterShim.js");
 let reallyExiting = false;
 const timestamp = process.serverConfig.timestamp;
 
diff --git a/svrjs.json b/svrjs.json
index 9134098..c3c945e 100644
--- a/svrjs.json
+++ b/svrjs.json
@@ -1,9 +1,9 @@
 {
-  "version": "4.0.2",
+  "version": "4.1.0",
   "name": "SVR.JS",
   "documentationURL": "https://svrjs.org/docs",
   "statisticsServerCollectEndpoint": "https://statistics.svrjs.org/collect.svr",
   "changes": [
-    "Fixed a bug with 497, 598, and 599 status code HTTP responses."
+    "Added experimental support for Deno 2."
   ]
 }