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