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