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