\documentclass[a4paper,12pt]{report}

\usepackage[utf8]{inputenc}
\usepackage{graphicx} % for images
\usepackage{amsmath}  % for equations

\usepackage[T1]{fontenc}
\usepackage{helvet}   % Latin Modern
\renewcommand{\familydefault}{\sfdefault} % Sans serif as default

% my custom packages
% comments 
\usepackage[colorinlistoftodos]{todonotes}
\usepackage{listings}
\usepackage{xcolor}


\title{Arkada Game Design Document}
\author{Gabriel Mermer cc222001}
\date{\today}

% numbering fix
\setcounter{secnumdepth}{0}
\newcommand{\gddchapter}[1]{%
  \chapter*{#1}%
  \addcontentsline{toc}{chapter}{#1}%
}

\begin{document}

\maketitle

\tableofcontents

\include{Chapters/01_Overview}
\include{Chapters/02_Core_gameplay}
\include{Chapters/03_Game_progression}
\include{Chapters/04_Narrative}
\include{Chapters/05_Aesthetics}
\include{Chapters/06_Systems&Features}
\include{Chapters/07_Techinical_Constraints}
\include{Chapters/08_Refences}

\end{document}