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