Here is the full list of all 41 Outcast - there are Second Contact achievements.
Finish main mission
Finish all sub-missions
Obtain the Mon in Okaar.
Complete the organ puzzle in Okaar.
Find the Achondar.
Kill all the gamors in the Okaar arena.
Defeat 250 soldiers.
Reach the region of Okaar.
Obtain the Mon in Okasankaar.
Defeat 10 soldiers using dynamite.
Destroy the company of soldiers located in Zorkatraz.
Unlock the wheel to enter the Darosham!
Help Zernar fix the boat light by providing a piece of helidium from Motazzar.
Kill 25 Krakits.
Help Heza repair his well.
Set Shamaz Keb free.
Travel 10 times through Daokas.
Help Sadar fix his boat using a Zeedog plant.
Defeat 150 soldiers.
Reach the region of Okasankaar.
Damage the rift bridge to slow the soldiers down.
Achieve the highest level of reputation by helping the Talans.
Defeat at least 20 soldiers in Motazaar for Ashkar.
Reach the region of Motazaar.
Talk to 25 important Talans.
Defeat more soldiers to convince Zot to stop paying taxes.
Reach the region of Talanzaar.
Destroy the four boats in Shamazaar to weaken the soldiers!
Find the Mon in Shamazaar.
Kill the beast in the water behind the temple of Ka.
Use dynamite on a chest.
A worker at one of the temples wants the Yods to clear away the debris.
Deliver a Twon-ha for Zolass.
Fill your backpack with over 250 rounds for your UZA-SH1.
Kill the gamors far to the east of the village.
Defeat at least 20 soldiers for Maar.
Find a Shamaz and convince him to heal Ilott.
Find Shamaz Zeb and speak to him.
Obtain over 300 rounds for your HK-P12.
Complete all four tests with Jan.
Complete the stealth tutorial in Ranzaar with Jan.