<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>Double Trouble</td><td>Learn how to bond two atoms even more strongly.
</td></tr><tr valign='top'><td>Periodic Table</td><td>Complete all levels.
</td></tr><tr valign='top'><td>Seeing Double</td><td>Learn about multiple molecules.
</td></tr><tr valign='top'><td>Spin Me Around</td><td>Learn how to rearrange molecules.
</td></tr><tr valign='top'><td>The Fifth Element</td><td>Learn about helium.
</td></tr><tr valign='top'><td>Torn Apart</td><td>Learn how to separate two bonded atoms.
</td></tr><tr valign='top'><td>Yay! Chemistry!</td><td>Complete all the bonus levels.
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