try this

/roomintro <font size="6"><center>Guided Playthroughs!</center></font><br><font size="4"><center>Current playthroughs:</center></font>
<table border="1" width="200" style="float:left;"><td align="left" width="200"><center>Empty Slot:<br><a href="http://psim.us/groupchat-lifeorblileep-guidedplaythroughs">Game</a></center></table><table border="1" width="200" style="float:left;"><td align="left" width="200"><center>Empty Slot:<br><a href="http://psim.us/groupchat-lifeorblileep-guidedplaythroughs">Game</a></center></table><table border="1" width="200"><td align="left" width="200"><center>Empty Slot:<br><a href="http://psim.us/groupchat-lifeorblileep-guidedplaythroughs">Game</a></center></table><br><center>If you would like to have your Playthrough Roster in the roomintro, PM ahkarp about it! (Spots last 2 hours)
P.S: Do NOT advertise this groupchat in chatrooms. Add 'pokemonpoll' to highlights to be notified of polls.</center>

Check These links:
<a href=http://pastebin.com/hqmmUp8R>Rules</a>
 | <a href=http://pastebin.com/bgRQ8ANv>Challenges</a> (Written by Pokemoon Moon) | <a href=http://pastebin.com/GscJveux>Guide For Guided Playthroughs</a> | <a href=https://docs.google.com/forms/u/0/d/1ap_zYTkFdqWDppUDxaSJ1PAEa0oeCtFfs3e8acuT_HE/edit>Please Fill This Survey</a> | <a href=http://pastebin.com/qiAYPYdK>Promotion Guide</a> written by hitechflufi

<table border="1" width="200" style="float:left;"><td align="left" width="200"><center>Empty Slot:<br><a href="http://psim.us/groupchat-lifeorblileep-guidedplaythroughs">Game</a></center></table>