Shieldwall

1. 
   01. Battle of Arar

   Pass the campaign mission on any difficulty
   48%
2. 
   02. Battle of Vosges

   Pass the campaign mission on any difficulty
   41%
3. 
   03. Battle of the Sabis

   Pass the campaign mission on any difficulty
   37%
4. 
   04. Britannia

   Pass the campaign mission on any difficulty
   32%
5. 
   05. Battle of Alesia

   Pass the campaign mission on any difficulty
   24%
6. 
   06. Siege of Brundisium

   Pass the campaign mission on any difficulty
   21%
7. 
   07. Battle of Ilerda

   Pass the campaign mission on any difficulty
   19%
8. 
   08. Battle of Dyrrhachium

   Pass the campaign mission on any difficulty
   17%
9. 
   09. Battle of Pharsalus

   Pass the campaign mission on any difficulty
   15%
10. 
    10. Siege of Alexandria

    Pass the campaign mission on any difficulty
    12%
11. 
    11. Battle of the Nile

    Pass the campaign mission on any difficulty
    11%
12. 
    12. Battle of Nicopolis

    Pass the campaign mission on any difficulty
    8.8%
13. 
    13. Battle of Zela

    Pass the campaign mission on any difficulty
    6.2%
14. 
    14. Battle of Thapsus

    Pass the campaign mission on any difficulty
    5.6%
15. 
    15. Battle of Munda

    Pass the campaign mission on any difficulty
    4.8%
16. 
    16. Finale

    Pass the campaign mission on any difficulty
    3.5%
17. 
    One Secret Amphora

    Find and destroy one secret amphora
    7.2%
18. 
    All Secret Amphoras

    Find and destroy all secret amphoras
    0.6%
19. 
    Entry to the Rear

    Find the secret gate in Britannia
    4.9%
20. 
    Better go with Pompey

    Use a ship to leave the city of Brundisium by sea
    1.0%
21. 
    Air Forces

    Launch yourself with a Catapult
    3.9%
22. 
    True Love

    Win the Siege of Alexandria campaign mission and keep Cleopatra alive
    3.5%
23. 
    King of the Hill

    Capture Zela's Pyramid in the campaign mission
    5.6%
24. 
    Caesar Must Live

    Win the last campaign mission with zero deaths of your hero
    1.0%
25. 
    Hello Standard

    Get the Standard
    58%
26. 
    Standard - Level 1

    Upgrade your Standard with a level 1 small sign
    51%
27. 
    Standard - Level 10

    Upgrade your Standard to the maximum level and get all the small signs
    28%
28. 
    Standard - Healer

    Heal 7500 HP using your Standard in a single match
    2.2%
29. 
    Standard - Money Maker

    Earn or save 2500 extra gold using your Standard in a single match
    2.7%
30. 
    I know how to use my horn

    Get and use Horn ability
    54%
31. 
    Effective Volley

    Knock down 10 enemies using "Missiles!" command
    37%
32. 
    Full Power

    Get all existing upgrades in a single match
    50%
33. 
    Genocide Squad

    Get 400 kills with your squad in a single match
    30%
34. 
    Hero-Berserk

    Kill 30 enemies with your own hands in a single match
    14%
35. 
    Hero-Strategist

    Do not die in a won match
    17%
36. 
    Javelin Lover

    Knock down an enemy with your own javelin
    54%
37. 
    Pro Shield User

    Knock down an enemy with your shield
    24%
38. 
    Fight for Duty

    Hire a soldier for free
    1.0%
39. 
    Silver Act 1

    Pass all the missions of Act 1 with silver badges at least
    13%
40. 
    Silver Act 2

    Pass all the missions of Act 2 with silver badges at least
    6.3%
41. 
    Silver Act 3

    Pass all the missions of Act 3 with silver badges at least
    3.1%
42. 
    Silver Act 4

    Pass all the missions of Act 4 with silver badges at least
    2.2%
43. 
    Gold Campaign

    Pass all the missions of the campaign with gold badges
    0.9%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 43 of them.