<canvas width="600px" height="600px"></canvas>
<button class='start'>Start!!!</button>
<button class='end'>End!!!</button>
<input id='debug_checkbox' type="checkbox" name="debug_stats" value="debug" checked>Display Debug Info
<input type="radio" id="easy" name="difficulty" value="Easy" checked/> Easy
<input type="radio" id="medium" name="difficulty" value="Medium" /> Medium
<input type="radio" id="harder" name="difficulty" value="Harder" /> Harder
<div class='instructions'><div class='inner'>
<span class='kb'>W</span>, <span class='kb'>S</span> for upper jet bursts
<span class='kb'>A</span>, <span class='kb'>D</span> for lower rocket direction
<span class='kb'>E</span> cut engines,
<span class='kb'>Up</span> throttle up,
<span class='kb'>Down</span> throttle down