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