These missions become available after you acquire Michael as a playable character. After completion, this allows you to start hunting for the collectibles called the Epsilon Tracts.
* Using Michael, press up on the d-pad to pull up the phone, open the internet browser, then go to the Epsilon website "epsilonprogram.com" and finish the evaluation.
* Head to the marker at Raton Canyon, receive the email, then open the attachment and send a $500 donation to the Epsilon site.
* Head back to your home, save a few times until the Epsilon icon appears on the map, then go to that location. Receive a new email, open the atachment, then send a $5,000 donation to the Epsilon site.
* Save in your home again until you can access another Epsilon icon. Then grab all the Epsilon vehicles – Dinka Double-T, Benefactor Surano, Declasse Tornado, Pegassi Vacca, and an Enus Super Diamond.
* Save in your home again until you can access another Epsilon icon. Finish this mission then send a $10,000 donation to the Epsilon site.
* Save in your home until you can access another Epsilon icon. Receive a new email, open up the attachment, then purchase the robes for $25,000 from the Epsilon site.
* After a day, the robes will be delivered. Head to Michael's closet. Wear the robe, then sleep for ten days straight. Save in your home until you can access another Epsilon icon. Head to the designated waypoint and finish the mission.
* Save in your home again until you can access another Epsilon icon. Walk through the desert for five miles while wearing the robes, then take the call that you will receive.
* Save in your home again until you can access another Epsilon icon. Go to the marker and finish the mission. Make sure to neutralize everyone and escape the area using your vehicle.