Here is the full list of all 35 Steel Circus achievements.
Reach account level 10.
Score 5 goals within one match.
Score 3 goals within one match.
Collect 10 pickups.
Score 10 goals.
Play 1 Match.
Reach account level 25.
Reach account level 50.
Reach account level 100.
Reach account level 500.
Reach account level 1,000.
Win 10 Matches.
Win 50 Matches.
Win 100 Matches.
Win 1,000 Matches.
Win 10,000 Matches.
Score 50 goals.
Score 100 goals.
Score 1,000 goals.
Score 10,000 goals.
Kill 100 players.
Score 10 goals within one match.
Earn 10 Assists.
Earn 50 Assists.
Earn 100 Assists.
Pass 100 times.
Pass 1,000 times.
Score 1 double kill.
Score 10 double kills.
Score 20 double kills.
Score 1 triple kill.
Score 3 triple kills.
Score 9 triple kills.
Collect 100 pickups.
Collect 1,000 pickups.