Here is the full list of all 43 Street Warriors Online achievements.
Win your first fight
Get best score during a fight
Strike a fallen opponent
Defeat first opponent
Buy new cloth
Buy Your first Gold Pack
Buy all non-epic clothes for at least one character
Socket first PowerCard
Use first energy drink
Spend 20 hours in game
Win a battle using only your fists
Win a battle using only your kicks
Knockdown 10 opponents by throwing a heavy weapon
Knockdown 100 opponents by throwing a heavy weapon
Knockdown 500 opponents by throwing a heavy weapon
Learn all fight moves
Defeat 10 opponents
Defeat 100 opponents
Defeat 500 opponents
Equip clothes for all sockets
Do not get any damage during battle
Win 10 battles
Win 100 battles
Win 500 battles
Reach experience level 2
Reach experience level 5
Reach experience level 10
Earn 5000 respect points
Earn 50000 respect points
Earn 100000 respect points
Win a match using only roundhouse kicks
Collect all power cards
Spray over all bases during a conquest battle
Own at least 4 characters
Distribute all attribute points
Intercept bag carrier and deliver bag to your van
Change combat configuration
Drink 10 drinks
Drink 100 drinks
Drink 500 drinks
Knockdown enemy with a sprint attack
Wear all 3 epic cloth items
Defeat an enemy with Air-Kick