Here is the full list of all 49 Streamline achievements.
Recover from less than 5% health.
Reach level 50.
Stun another Runner and then get stunned within 5 seconds.
Wall run for 10 seconds.
Unlock fifty cosmetic items.
Reach level 25.
Eliminate a Runner that is stunned.
Play at least 100 games of Streamline!
Reach level 10.
Reach level 5.
Be the last Runner standing and eliminate the Hunter.
Eliminate all Runners with more than 90 seconds left.
Play at least 10 games of Streamline!
Sprint for 30 seconds without stopping.
Eliminate a Runner while wall running.
Eliminate a Runner in a section that is closing off or has closed off.
Eliminate another Runner during Sudden Death.
Taunt while the Hunter can see you.
Unlock twenty cosmetic items.
Reach level 2.
Eliminate a Runner in the air.
Eliminate a Runner that picked up points dropped by another Runner in the last 5 seconds.
Eliminate 10 Runners in under 30 seconds.
Eliminate a Runner that has not seen you in the last 10 seconds.
Eliminate a Runner from behind.
Eliminate 5 Runners in under 20 seconds.
Eliminate a taunting Runner.
Eliminate the Runner with the least points with at least 5 other Runners still standing.
Eliminate the Runner with the most points with at least 5 other Runners still standing.
Stun 10 Ghosts in under 30 seconds.
Stun 10 Runners in under 30 seconds.
Get stunned and then stun another Runner within 5 seconds.
Be within 3 meters of the Hunter and then get 25 meters away.
Loot 3 orbs from eliminated Runners in under 10 seconds.
Stun 10 Runners in 30 seconds.
Get stunned.
Be within 5 meters of another Runner when they are eliminated.
Eliminate yourself. :(
Be the last Runner standing.
Be one of the last 25% Runners standing.
See the Hunter eliminate another Runner.
Don't touch the ground for 5 seconds.
Stun the Hunter.
Don't move for 30 seconds.
Have someone bet over 100 credits on you.
Have someone bet over 1000 credits on you.
Have someone bet over 10,000 credits on you.
Unlock one cosmetic item.
Unlock five cosmetic items.