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