diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 50680fd63..9e2c816cb 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -43,6 +43,22 @@ jobs:
           src/frontend/node_modules
         key: cache-modules-${{ matrix.os }}-${{ matrix.node-version }}-${{ hashFiles('src/frontend/pnpm-lock.yaml') }}
 
+    - name: Cache emsdk
+      id: cache-emsdk
+      uses: actions/cache@v4
+      with:
+        path: |
+          tools/emsdk
+        key: cache-emsdk-${{ hashFiles('tools/download-emscripten.sh') }}
+
+    - name: Cache WASM libraries
+      id: cache-wasm
+      uses: actions/cache@v4
+      with:
+        path: |
+          tools/install
+        key: cache-wasm-${{ matrix.os }}-${{ matrix.node-version }}-${{ hashFiles('src/engine/**', 'tools/build-wasm.sh', 'tools/download-emscripten.sh') }}
+
     - name: Setup Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with:
@@ -68,3 +84,15 @@ jobs:
     - name: pnpm build
       run: |
         pnpm build
+
+    - name: Install emsdk
+      if: steps.cache-emsdk.outputs.cache-hit != 'true'
+      run: |
+        ./download-emscripten.sh
+      working-directory: tools
+
+    - name: Build wasm libraries
+      if: steps.cache-wasm.outputs.cache-hit != 'true'
+      run: |
+        ./build-wasm.sh
+      working-directory: tools
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 964a43755..000000000
--- a/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/.sunodo
diff --git a/README.md b/README.md
index 2eddc67ce..112b8cf01 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ The following subfolders compose the repo architecture:
 
 * `src/backend/` - The Cartesi Machine logic
 * `src/frontend/` - The website and frontend logic
+* `src/engine/` - The main emulator engine
 * `src/learning/` - The Python code for AI agents
 * `tools/` - Tooling for dependencies
 
diff --git a/src/engine/CMakeLists.txt b/src/engine/CMakeLists.txt
new file mode 100644
index 000000000..963d8c8d8
--- /dev/null
+++ b/src/engine/CMakeLists.txt
@@ -0,0 +1,88 @@
+################################################################################
+#
+#  Copyright (C) 2024 retro.ai
+#  This file is part of retro3 - https://github.com/retroai/retro3
+#
+#  SPDX-License-Identifier: AGPL-3.0-or-later
+#  See the file LICENSE.txt for more information.
+#
+################################################################################
+
+################################################################################
+#
+# Build system for C++ libraries
+#
+# Required CMake variables:
+#
+#   CMAKE_FIND_ROOT_PATH - Point this to dependencies compiled with Emscripten
+#   CMAKE_INSTALL_PREFIX - Point this to the "public" folder
+#
+################################################################################
+
+################################################################################
+# Project settings
+################################################################################
+
+project(retro_engine LANGUAGES CXX)
+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+################################################################################
+# Dependencies
+################################################################################
+
+# TODO
+
+################################################################################
+# Sources
+################################################################################
+
+set(SOURCE_FILES
+  core/retro_engine.cpp
+  core/retro_engine_embinder.cpp
+)
+
+################################################################################
+# Libraries
+################################################################################
+
+#include_directories(src)
+
+# Add the executable based on the source files
+add_executable(retro_engine ${SOURCE_FILES})
+
+# Add flags for Empscripten builds
+if (${CMAKE_SYSTEM_NAME} MATCHES "Emscripten")
+  set_target_properties(retro_engine PROPERTIES
+    COMPILE_FLAGS " \
+      -O3 \
+    "
+    # 26214400 is 25 MiB
+    LINK_FLAGS " \
+      -gsource-map \
+      -s ALLOW_MEMORY_GROWTH=1 \
+      -s INITIAL_MEMORY=26214400 \
+      -s MODULARIZE=1 \
+      -s USE_WEBGL2=1 \
+      -s WASM=1 \
+      --bind \
+      --source-map-base https://retro.ai/ \
+    "
+  )
+endif ()
+
+################################################################################
+# Install
+################################################################################
+
+INSTALL(
+  FILES
+    "${CMAKE_BINARY_DIR}/retro_engine.js"
+    "${CMAKE_BINARY_DIR}/retro_engine.wasm"
+    "${CMAKE_BINARY_DIR}/retro_engine.wasm.map"
+  DESTINATION
+    wasm
+)
diff --git a/src/engine/core/retro_engine.cpp b/src/engine/core/retro_engine.cpp
new file mode 100644
index 000000000..3172bf46b
--- /dev/null
+++ b/src/engine/core/retro_engine.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2024 retro.ai
+ * This file is part of retro3 - https://github.com/retroai/retro3
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * See the file LICENSE.txt for more information.
+ */
+
+#include "retro_engine.hpp"
+
+#include <iostream>
+
+namespace
+{
+constexpr const char* CANVAS_ID = "canvas";
+}
+
+RetroEngine::RetroEngine() : m_webGLContext(0)
+{
+}
+
+RetroEngine::~RetroEngine()
+{
+  Deinitialize();
+}
+
+bool RetroEngine::Initialize()
+{
+  if (!InitializeWebGL())
+    return false;
+
+  return true;
+}
+
+void RetroEngine::Deinitialize()
+{
+  DeinitializeWebGL();
+}
+
+bool RetroEngine::InitializeWebGL()
+{
+  EmscriptenWebGLContextAttributes attrs;
+  emscripten_webgl_init_context_attributes(&attrs);
+
+  attrs.alpha = EM_FALSE;
+  attrs.depth = EM_TRUE;
+  attrs.stencil = EM_TRUE;
+  attrs.antialias = EM_TRUE;
+  attrs.preserveDrawingBuffer = EM_FALSE;
+  attrs.powerPreference = EM_WEBGL_POWER_PREFERENCE_HIGH_PERFORMANCE;
+  attrs.failIfMajorPerformanceCaveat = EM_FALSE;
+  attrs.majorVersion = 2;
+  attrs.minorVersion = 0;
+
+  const EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context =
+      emscripten_webgl_create_context(CANVAS_ID, &attrs);
+  if (context <= 0)
+  {
+    std::cerr << "Failed to create WebGL context" << std::endl;
+    return false;
+  }
+
+  EMSCRIPTEN_RESULT result = emscripten_webgl_make_context_current(context);
+  if (result != EMSCRIPTEN_RESULT_SUCCESS)
+  {
+    std::cerr << "Failed to make WebGL context current (result=" << result << ")" << std::endl;
+    return false;
+  }
+
+  // Success
+  m_webGLContext = context;
+  return true;
+}
+
+void RetroEngine::DeinitializeWebGL()
+{
+  if (m_webGLContext > 0)
+  {
+    EMSCRIPTEN_RESULT result = emscripten_webgl_destroy_context(m_webGLContext);
+    if (result != EMSCRIPTEN_RESULT_SUCCESS)
+      std::cerr << "Failed to destroy WebGL context (result=" << result << ")" << std::endl;
+
+    m_webGLContext = 0;
+  }
+}
diff --git a/src/engine/core/retro_engine.hpp b/src/engine/core/retro_engine.hpp
new file mode 100644
index 000000000..167ca42bc
--- /dev/null
+++ b/src/engine/core/retro_engine.hpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2024 retro.ai
+ * This file is part of retro3 - https://github.com/retroai/retro3
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * See the file LICENSE.txt for more information.
+ */
+
+#pragma once
+
+#include <emscripten/html5.h>
+
+class RetroEngine
+{
+public:
+  RetroEngine();
+  ~RetroEngine();
+
+  /*!
+   * \brief Initialize the engine
+   *
+   * \return true if successful, false otherwise
+   */
+  bool Initialize();
+
+  /*!
+   * \brief Deinitialize the engine
+   */
+  void Deinitialize();
+
+private:
+  bool InitializeWebGL();
+  void DeinitializeWebGL();
+
+  EMSCRIPTEN_WEBGL_CONTEXT_HANDLE m_webGLContext;
+};
diff --git a/src/engine/core/retro_engine_embinder.cpp b/src/engine/core/retro_engine_embinder.cpp
new file mode 100644
index 000000000..3ccf83586
--- /dev/null
+++ b/src/engine/core/retro_engine_embinder.cpp
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2024 retro.ai
+ * This file is part of retro3 - https://github.com/retroai/retro3
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * See the file LICENSE.txt for more information.
+ */
+
+#include "retro_engine.hpp"
+
+#include <emscripten/bind.h>
+
+EMSCRIPTEN_BINDINGS(engine)
+{
+  emscripten::class_<RetroEngine>("RetroEngine")
+      .constructor<>()
+      .function("initialize", &RetroEngine::Initialize)
+      .function("deinitialize", &RetroEngine::Deinitialize);
+}
diff --git a/tools/.gitignore b/tools/.gitignore
new file mode 100644
index 000000000..31a6e17f2
--- /dev/null
+++ b/tools/.gitignore
@@ -0,0 +1,3 @@
+/build
+/emsdk
+/install
diff --git a/tools/build-wasm.sh b/tools/build-wasm.sh
new file mode 100755
index 000000000..52b248755
--- /dev/null
+++ b/tools/build-wasm.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+################################################################################
+#
+#  Copyright (C) 2024 retro.ai
+#  This file is part of retro3 - https://github.com/retroai/retro3
+#
+#  SPDX-License-Identifier: AGPL-3.0-or-later
+#  See the file LICENSE.txt for more information.
+#
+################################################################################
+
+################################################################################
+#
+# Helper for CI infrastructure. Sets the appropriate paths and calls CMake.
+#
+################################################################################
+
+# Enable strict shell mode
+set -o errexit
+set -o nounset
+set -o pipefail
+
+################################################################################
+# Environment paths
+################################################################################
+
+# Get the absolute path to the project root
+PROJECT_DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"
+
+# Directory for the engine sources
+ENGINE_DIRECTORY="${PROJECT_DIRECTORY}/src/engine"
+
+# Directory for tooling
+TOOL_DIRECTORY="${PROJECT_DIRECTORY}/tools"
+
+# Directory for intermediate build files
+BUILD_DIRECTORY="${TOOL_DIRECTORY}/build"
+
+# Directory of the Emscripten SDK
+EMSDK_DIRECTORY="${TOOL_DIRECTORY}/emsdk"
+
+# Directory to place the generated libraries
+INSTALL_DIRECTORY="${TOOL_DIRECTORY}/install"
+
+# Ensure directories exist
+mkdir -p "${BUILD_DIRECTORY}"
+mkdir -p "${INSTALL_DIRECTORY}"
+
+################################################################################
+# Setup environment
+################################################################################
+
+source "${EMSDK_DIRECTORY}/emsdk_env.sh"
+
+################################################################################
+# Call CMake
+################################################################################
+
+cd "${BUILD_DIRECTORY}"
+
+emcmake cmake \
+  "${ENGINE_DIRECTORY}" \
+  -DCMAKE_INSTALL_PREFIX="${INSTALL_DIRECTORY}" \
+  $(! command -v ccache &> /dev/null || echo "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache")
+
+cmake \
+  --build "${BUILD_DIRECTORY}" \
+  --target install
diff --git a/tools/download-emscripten.sh b/tools/download-emscripten.sh
new file mode 100755
index 000000000..d768e0b6d
--- /dev/null
+++ b/tools/download-emscripten.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+################################################################################
+#
+#  Copyright (C) 2024 retro.ai
+#  This file is part of retro3 - https://github.com/retroai/retro3
+#
+#  SPDX-License-Identifier: AGPL-3.0-or-later
+#  See the file LICENSE.txt for more information.
+#
+################################################################################
+
+################################################################################
+#
+# Helper to download and setup the Emscripten SDK
+#
+################################################################################
+
+# Enable strict shell mode
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# Emscripten configuration
+EMSDK_VERSION="3.1.55"
+EMSDK_REPO="https://github.com/emscripten-core/emsdk.git"
+
+################################################################################
+# Environment paths
+################################################################################
+
+# Get the absolute path to the tooling scripts
+TOOL_DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Target directory for the Emscripten SDK installation
+EMSDK_DIRECTORY="${TOOL_DIRECTORY}/emsdk"
+
+# Ensure directories exist
+mkdir -p "${EMSDK_DIRECTORY}"
+
+################################################################################
+# Download and install Emscripten SDK
+################################################################################
+
+cd "${EMSDK_DIRECTORY}"
+
+echo "Checking if Emscripten SDK is already installed..."
+if [ ! -d "${EMSDK_DIRECTORY}/.git" ]; then
+  echo "Emscripten SDK not found. Cloning..."
+  git clone "${EMSDK_REPO}" "${EMSDK_DIRECTORY}"
+else
+  echo "Emscripten SDK found. Updating..."
+  git fetch origin
+  git reset --hard origin/main
+fi
+
+echo "Installing Emscripten SDK version ${EMSDK_VERSION}..."
+./emsdk install ${EMSDK_VERSION}
+./emsdk activate ${EMSDK_VERSION}
+
+echo "Setting up the environment variables for the current session..."
+source "./emsdk_env.sh"
+
+echo "Emscripten SDK setup completed successfully."