diff --git a/src/code_runner.js b/src/code_runner.js
index cc6e5b3..ffa38d0 100644
--- a/src/code_runner.js
+++ b/src/code_runner.js
@@ -48,7 +48,7 @@ export class CodeRunner {
     }
 
     evaluateCode(code) {
-        // Move evalScope to globalThis
+        // Move evalScope to global scope
         const oldGlobalThis = {};
         for (const prop in this.evalScope) {
             if (!Object.hasOwn(this.evalScope, prop)) continue;
diff --git a/src/index.js b/src/index.js
index 5f3cc7d..f12cbb8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -38,14 +38,14 @@ const playgroundConsole = new PlaygroundConsole(
 );
 
 addEventListener("DOMContentLoaded", () => {
-    playgroundConsole.log("Karlkode 1.0");
+    playgroundConsole.getInterface().log("Karlkode 1.0");
 });
 
 const codeStopper = new CodeStopper();
 
 const assetProvider = new AssetProvider();
 
-const codeRunner = new CodeRunner(playgroundConsole, codeStopper);
+const codeRunner = new CodeRunner(playgroundConsole.getInterface(), codeStopper);
 const assetEditor = new AssetEditor(document.querySelector("#asset-editor-container"), []);
 
 new ConsoleInput(document.querySelector("#console-input"), playgroundConsole, codeRunner);
@@ -53,7 +53,7 @@ new ConsoleInput(document.querySelector("#console-input"), playgroundConsole, co
 const htmlExporter = new HtmlExporter(assetProvider);
 
 const gamelib = new Gamelib(
-    playgroundConsole,
+    playgroundConsole.getInterface(),
     codeStopper,
     assetProvider,
     document.querySelector("canvas"),
@@ -89,7 +89,9 @@ loadButton.onclick = async () => {
             `unreachable: something went wrong ! files.length > 1 : files.length = ${files.length}`,
         );
     }
-    const items = KarlkoderCodec.de(await fetch(URL.createObjectURL(files[0])).then((x) => x.bytes()));
+    const items = KarlkoderCodec.de(
+        await fetch(URL.createObjectURL(files[0])).then((x) => x.bytes()),
+    );
     const assets = items
         .filter((x) => x.tag === "asset")
         .map((x) => {
diff --git a/src/playground_console.js b/src/playground_console.js
index 802e761..1f95aa6 100644
--- a/src/playground_console.js
+++ b/src/playground_console.js
@@ -9,7 +9,7 @@ export class PlaygroundConsole {
         };
     }
 
-    #formatStacktrace(stack) {
+    formatStacktrace(stack) {
         return stack
             .replaceAll(globalThis.origin + "/", "")
             .replace(
@@ -18,7 +18,7 @@ export class PlaygroundConsole {
             );
     }
 
-    #getTypeName(arg) {
+    getTypeName(arg) {
         if (arg instanceof Error) {
             return "error";
         }
@@ -30,7 +30,7 @@ export class PlaygroundConsole {
         return typeof arg;
     }
 
-    #addKeyValue(_entryType, parent, property, arg) {
+    addKeyValue(_entryType, parent, property, arg) {
         if (property) {
             const keyEl = document.createElement("span");
             keyEl.className = property === "__proto__" ? "prototype" : "property";
@@ -42,11 +42,11 @@ export class PlaygroundConsole {
 
         const value = document.createElement("span");
         value.textContent = argString;
-        value.dataset.type = this.#getTypeName(arg);
+        value.dataset.type = this.getTypeName(arg);
         parent.appendChild(value);
     }
 
-    #addEntry(entryType, property, parent, ...args) {
+    addEntry(entryType, property, parent, ...args) {
         for (const arg of args) {
             // For objects, show a collapsed list of properties
             if (typeof arg === "object" && arg !== null) {
@@ -55,7 +55,7 @@ export class PlaygroundConsole {
                 summary.dataset.type = "object";
                 summary.style.marginLeft = "-1rem";
 
-                this.#addKeyValue(entryType, summary, property, arg);
+                this.addKeyValue(entryType, summary, property, arg);
 
                 const details = document.createElement("details");
                 details.className = entryType;
@@ -66,14 +66,12 @@ export class PlaygroundConsole {
                 if (arg instanceof Error) {
                     // Add error stack trace
                     const el = document.createElement("p");
-                    el.innerHTML = this.#formatStacktrace(arg.stack);
+                    el.innerHTML = this.formatStacktrace(arg.stack);
                     details.appendChild(el);
                 } else {
                     // Add object properties
-                    for (const prop in arg) {
-                        if (!Object.hasOwn(arg, prop)) continue;
-
-                        this.#addEntry(
+                    for (const prop of Object.getOwnPropertyNames(arg)) {
+                        this.addEntry(
                             entryType,
                             prop,
                             details,
@@ -82,10 +80,9 @@ export class PlaygroundConsole {
                     }
 
                     // Add prototype if one exists
-                    if (
-                        Object.getPrototypeOf(arg) && Object.keys(Object.getPrototypeOf(arg)).length
-                    ) {
-                        this.#addEntry(entryType, "__proto__", details, Object.getPrototypeOf(arg));
+                    const prototype = Object.getPrototypeOf(arg);
+                    if (prototype && Object.getOwnPropertyNames(prototype).length > 0) {
+                        this.addEntry(entryType, "__proto__", details, prototype);
                     }
                 }
 
@@ -97,46 +94,62 @@ export class PlaygroundConsole {
             // For non-object values, show it directly
             const wrapper = document.createElement("p");
             wrapper.className = entryType;
-            this.#addKeyValue(entryType, wrapper, property, arg);
+            this.addKeyValue(entryType, wrapper, property, arg);
             parent.appendChild(wrapper);
         }
     }
 
-    #addTopLevelEntry(entryType, ...args) {
-        this.#addEntry(entryType, "", this.elem, ...args);
+    addTopLevelEntry(entryType, ...args) {
+        this.addEntry(entryType, "", this.elem, ...args);
 
         this.elem.scrollTop = this.elem.scrollHeight;
     }
 
     addInput() {
-        this.#addTopLevelEntry("input", ...arguments);
+        this.addTopLevelEntry("input", ...arguments);
     }
 
-    log() {
-        this.#addTopLevelEntry("log", ...arguments);
-    }
-
-    dir() {
-        this.#addTopLevelEntry("dir", ...arguments);
-    }
-
-    debug() {
-        this.#addTopLevelEntry("debug", ...arguments);
-    }
-
-    info() {
-        this.#addTopLevelEntry("info", ...arguments);
-    }
-
-    warn() {
-        this.#addTopLevelEntry("warn", ...arguments);
-    }
-
-    error() {
-        this.#addTopLevelEntry("error", ...arguments);
+    getInterface() {
+        return new PlaygroundConsoleInterface(this);
     }
 
     clear() {
         this.elem.textContent = "";
     }
 }
+
+class PlaygroundConsoleInterface {
+    #console;
+
+    constructor(console) {
+        this.#console = console;
+    }
+
+    log() {
+        this.#console.addTopLevelEntry("log", ...arguments);
+    }
+
+    dir() {
+        this.#console.addTopLevelEntry("dir", ...arguments);
+    }
+
+    debug() {
+        this.#console.addTopLevelEntry("debug", ...arguments);
+    }
+
+    info() {
+        this.#console.addTopLevelEntry("info", ...arguments);
+    }
+
+    warn() {
+        this.#console.addTopLevelEntry("warn", ...arguments);
+    }
+
+    error() {
+        this.#console.addTopLevelEntry("error", ...arguments);
+    }
+
+    clear() {
+        this.#console.clear();
+    }
+}