Here is the full list of all 42 Silver Lines achievements.
Finish 10 rounds
Finish 33 rounds
Finish 42 rounds
Finish 100 rounds
Finish 300 rounds
Finish 900 rounds
Finish 1897 rounds
Reach Level 4
Reach Level 12
Reach Level 51
Reach Level 88
Reach Level 94
Reach Level 121
Reach Level 357
Reach Level 500
Reach Level 721
Reach Level 777
Reach Level 999
Get 10 Golden Tickets
Get 50 Golden Tickets
Get 107 Golden Tickets
Get 235 Golden Tickets
Get 345 Golden Tickets
Reach a score of 200
Reach a score of 1000
Reach a score of 3000
Reach a score of 5000
Reach a score of 7000
Reach a score of 9000
Get a streak of 9 correct answers
Get a streak of 28 correct answers
Get a streak of 48 correct answers
Get a streak of 60 correct answers
Get a streak of 101 correct answers
Get a streak of 127 correct answers
Get a streak of 300 correct answers
Start next round
Start a new game again
Attempt a community challenge
Get the top score in a community challenge
Challenge a friend
Watch the full credits