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Beach sea / Legion / Economy first / OBSERVED BUILD

Standard beach sea

Legion Beach sea build order · Supreme Isthmus

Builds a shipyard early, gets a Syracusia out fast to contest or scout enemy sea entry, then expands into an Advanced Metal Extractor and more navy over the first 15 minutes.

Usually shipyard first (80%)

#naval #eco · 46 distinct matches · 24 players · 74% of Legion Beach sea games · team won 41% of 46 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 2:06

  1. Take mex and wind while queuing the shipyard early.
  2. Get the shipyard up before 3:24 to start naval production.
  3. Add Argonaut and Iapetus to back up the early push.
  4. Push out a Syracusia fast to contest or scout enemy sea.
  5. Transition to T2 with an advanced mex as navy expands.

Phase by phase

TYPICAL OF ITS 46 GAMES
  1. 1
  2. 2
  3. 3
PLAY THE OPENING

Follow the example game's first 6:00 step by step: what to build now, what comes next, and where it goes. At 1× it keeps pace with your own game.

  1. 1

    Up to the Shipyard

    Economy
    • Metal Extractor3Mex
    • Wind Turbine3Wind
    • Wind Turbine2Windfor allies
    • Energy Storage1Energy storage
    Order
    1. ShipyardShipyard after 3 mex, 3 wind, 1 energy storagedone ~1:57, middle half 1:44–2:22

    By 1:40 in all: 3 mex · 3 wind · 1 energy storage

    The example game in this phase · 5 steps
    1. Mex ×3
    2. Windfor unknown
    3. Wind ×2
    4. Wind ×2for unknown
    5. ShipyardShipyarddone 1:42 · typical 1:57
  2. 2

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    • Tidal Generator2Tidal
    Builders
    • Construction Ship2 Con ship
    Army
    • Argonaut1 Argonaut
    • Iapetus1 Iapetus
    • Syracusia1 Syracusia
    Other
    • Naval Radar / Sonar Tower1 Naval Radar / Sonar Tower

    Some games also: wind (48%) · Stheno (48%) · Hippocampus (46%) · Legion Drone (46%)

    By 5:00 in all: 8 mex · 4 wind · 2 tidal · 1 energy storage

    The example game in this phase · 22 steps
    1. IapetusIapetus
    2. Tidal
    3. Construction ShipCon ship ×2
    4. KeteaSubmarine
    5. Mex
    6. Tidal
    7. Mex
    8. KeteaSubmarine
    9. Mex ×2
    10. Wind
    11. Construction ShipCon ship
    12. Wind
    13. Mex
    14. Construction ShipCon ship
    15. Wind
    16. SyracusiaSyracusiadone 5:27 · typical 4:52
    17. Wind
    18. Tidal
    19. SthenoStheno
    20. Mex ×2
    21. Wind
    22. Wind
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    Builders
    • Dionysus1 Dionysus
    Army
    • Stheno1 Stheno
    • Legion Drone6 Legion Drone
    • Argonaut2 Argonaut
    • Syracusia2 Syracusia
    • Iapetus1 Iapetus
    Other
    • Naval Radar / Sonar Tower2 Naval Radar / Sonar Tower

    Some games also: Pharos (46%) · wind (43%) · con ship (43%) · tidal (35%) · wind (33%)

    By 10:00 in all: 9 mex · 7 wind · 4 tidal · 1 energy storage

    The example game in this phase · 82 steps
    1. Mex ×2
    2. PharosPharos
    3. Wind
    4. PharosPharos
    5. SthenoStheno
    6. Legion DroneLegion Drone
    7. ArgonautArgonaut
    8. Wind
    9. Legion DroneLegion Drone
    10. ArgonautArgonaut
    11. PharosPharos
    12. Wind
    13. SyracusiaSyracusia
    14. Wind
    15. EuryaleEuryale
    16. Naval Construction Turret
    17. Wind
    18. Legion DroneLegion Drone
    19. SyracusiaSyracusia
    20. Wind
    21. EuryaleEuryale
    22. Advanced Metal ExtractorT2 mexdone 9:22 · typical 9:39
    23. Legion DroneLegion Drone ×2
    24. SyracusiaSyracusia
    25. Con turret
    26. Tidal ×2
    27. Legion DroneLegion Drone ×2
    28. Tidal
    29. SyracusiaSyracusia
    30. Tidal
    31. AmputatorAmputator
    32. Legion DroneLegion Drone
    33. Tidal
    34. Hovercraft PlatformHovercraft Platformdone 8:46
    35. Tidal ×2
    36. Legion DroneLegion Drone
    37. Tidal ×2
    38. SalaciaSalacia
    39. Legion DroneLegion Drone
    40. Con turret
    41. Tidal ×2
    42. SalaciaSalacia
    43. CardeaCardeadone 10:48
    44. Tidal ×2
    45. Advanced Metal ExtractorT2 mex
    46. Tidal ×2
    47. Con turret
    48. Legion DroneLegion Drone
    49. Advanced Metal ExtractorT2 mex
    50. IapetusIapetus
    51. Advanced ShipyardAdvanced Shipyarddone 11:54
    52. IapetusIapetus
    53. CardeaCardea
    54. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    55. Advanced Metal ExtractorT2 mex
    56. DionysusDionysus
    57. Advanced Construction SubmarineAdvanced Construction Submarine
    58. DionysusDionysus
    59. Legion DroneLegion Drone
    60. Construction HovercraftCon hovercraft
    61. Legion DroneLegion Drone
    62. Naval Construction Turret
    63. Legion DroneLegion Drone
    64. Fusion ReactorFusiondone 14:18
    65. ArtifexArtifex
    66. IapetusIapetus
    67. ArtifexArtifex
    68. PolybolosPolybolos
    69. IapetusIapetus
    70. ArtifexArtifex ×3
    71. Advanced Underwater Metal ExtractorAdvanced Underwater Metal Extractordone 14:36
    72. CorinthCorinthnot finished by 15:00
    73. Fusion ReactorFusion
    74. SyracusiaSyracusia
    75. Legion DroneLegion Drone
    76. Construction HovercraftCon hovercraft
    77. IapetusIapetus
    78. Con turret
    79. Legion DroneLegion Drone
    80. Con turret
    81. Advanced Underwater Metal ExtractorAdvanced Underwater Metal Extractor
    82. Construction HovercraftCon hovercraft

Counts are medians over the build's games: half of them build more, half fewer. The example game is arcsiz's (34 OS, 27/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:59 · in 67% of games

You get

  • Finch1 Finch from Airfirst at 2:02 · in 41% of games
  • Lazarus1 Lazarus from Geofirst at 2:20 · in 35% of games
  • Construction Bot1 Con bot from Geofirst at 2:28 · in 39% of games
  • Legion Construction Bot1 Legion Construction Bot from Geo or Air or Geo seafirst at 2:44 · in 35% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:40 · in 74% of games

How it plays out

Typical game of this build, running totals by minute

Metal produced

010k20k30k
0:005:0010:0015:00

metal

Enemy metal destroyed

02.5k5k7.5k
0:005:0010:0015:00

metal

Own metal lost

02.5k5k7.5k
0:005:0010:0015:00

metal

46 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039800
2:0093100
3:00156600
4:00246900
5:0036577968
6:004949353230
7:006312963420
8:0077181389853
9:00911116391178
10:001085927771878
11:001289736332619
12:001518143793601
13:001804250204403
14:002019957574914
15:002288865226315
WHAT THE NUMBERS SAY

Standard beach sea has the weakest win rate here, with own metal lost outpacing enemy metal destroyed by 15:00.

  • + Early Syracusia by 4:43 gives fast sea presence to contest entry.
  • − Team wins only 38% of games, own metal lost (5105) nearly matches enemy destroyed (6441).
THE EXAMPLE YOU ARE READING

arcsiz

34.4 OS · 27/09/2026

Open source match ↗

5 received units · includes a constructor
217 metal received · 45549 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Shipyard1:57Middle 50%: 1:44–2:22 · n=46
Syracusia4:52Middle 50%: 4:23–5:49 · n=38
Advanced Metal Extractor9:39Middle 50%: 9:03–10:09 · n=33

Played most by

Rysica5games of this buildJesterB4games of this buildNFX_Scurvy4games of this buildAdeus3games of this buildEpicTyrannus3games of this build