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Geo sea / Legion / Economy first / OBSERVED BUILD

Standard geo sea

Baseline cove-side sea play: bot lab then shipyard in the cove around 3:06, first Syracusia by 5:04, geothermal on time around 7:42 and an Advanced Metal Extractor to build up eco, transitioning into more Syracusia and Argonaut over the…

Usually shipyard in the cove (95%) · geo on time (90%)

#naval #eco · 20 distinct matches · 10 players · 40% of Legion Geo sea games · team won 45% of 20 · Recently observed

HOW TO PLAY IT

Key timing: First Syracusia by 5:18

  1. Take 3 mex and open into wind while starting the bot lab.
  2. Rush the bot lab finish for early defense on the coast.
  3. Get the shipyard up to start frigate production.
  4. Push the first Syracusia frigate out for sea control.
  5. Layer geothermal and advanced mex, then keep feeding the Syracusia navy.

Phase by phase

TYPICAL OF ITS 20 GAMES · AGAINST STANDARD GEO SEA
  1. 1
  2. 2
  3. 3
  4. 4
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 Legion Bot Lab

    Economy
    • Metal Extractor3Mex
    Order
    1. Legion Bot LabLegion Bot Lab after 3 mexdone ~1:07, middle half 1:04–1:13

    Some games also: wind (50%) · solar (45%) · wind for allies (30%)

    The standard build makes here, this one skips: 3 wind

    By 0:50 in all: 3 mex

    The example game in this phase · 4 steps
    1. Mex ×3
    2. Wind ×2for Air
    3. Wind ×2
    4. Legion Bot LabLegion Bot Labdone 1:12 · typical 1:07
  2. 2

    Legion Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    Order
    1. ShipyardShipyard after 4 mex, 4 wind, 1 solardone ~3:06, middle half 2:36–3:52
    Builders
    • Zagreus3 Zagreus
    • Legion Construction Bot3 Legion Construction Bot

    Some games also: wind (50%) · con turret (40%) · Goblin (35%) · energy storage (30%) · Toxotai (30%)

    The standard build makes here, this one skips: 3 wind · 2 Toxotai

    By 2:38 in all: 4 mex · 4 wind · 1 solar

    The example game in this phase · 16 steps
    1. ToxotaiToxotai
    2. Wind ×4
    3. ToxotaiToxotai
    4. Wind ×2
    5. ZagreusZagreus
    6. Solar
    7. Legion Construction BotLegion Construction Bot ×3
    8. ZagreusZagreus
    9. Energy storage
    10. Mex
    11. GoblinGoblin
    12. Con turret
    13. Mex
    14. PharosPharos
    15. GoblinGoblin ×2
    16. ShipyardShipyarddone 4:31 · typical 3:06
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    • Wind Turbine2Wind
    Builders
    • Construction Ship1 Con ship
    Army
    • Pharos1 Pharos
    • Argonaut2 Argonaut
    • Syracusia1 Syracusia

    Some games also: converter (50%) · con turret (45%) · Radar Tower (45%) · Legion Drone (40%) · Hippocampus (40%)

    The standard build makes here, this one skips: 2 converter · 2 Radar Tower

    By 5:00 in all: 8 mex · 4 wind (standard 9) · 1 solar · 1 energy storage · 1 con turret

    The example game in this phase · 14 steps
    1. GoblinGoblin
    2. Mex
    3. GoblinGoblin
    4. Mex
    5. GoblinGoblin
    6. Converter
    7. Construction ShipCon ship
    8. GoblinGoblin ×2
    9. HippocampusHippocampus
    10. GoblinGoblin
    11. Radar TowerRadar Tower
    12. HippocampusHippocampus
    13. PharosPharos
    14. HippocampusHippocampus
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex−2 vs standard
    • Wind Turbine15Wind+4 vs standard
    • Energy Converter3Converter+3 vs standard
    • Energy Storage1Energy storage
    Order
    1. Geothermal PowerplantGeo after 9 mex, 10 wind, 3 converter
    Builders
    • Construction Turret2 Con turret
    • Dionysus1 Dionysus
    Army
    • Pharos1 Pharos −3 vs standard
    • Legion Drone10 Legion Drone

    Some games also: con ship (45%) · Stheno (30%) · Hippocampus (30%)

    The standard build makes here, this one skips: 2 Bramble

    By 10:00 in all: 9 mex · 19 wind · 1 solar · 1 geo · 5 converter · 1 energy storage

    The example game in this phase · 105 steps
    1. Converter
    2. Mex
    3. PharosPharos
    4. Wind ×3
    5. PharosPharos
    6. Mex
    7. Wind ×2
    8. Construction ShipCon ship
    9. PharosPharos
    10. Mex
    11. Wind
    12. SyracusiaSyracusiadone 6:13 · typical 5:06
    13. BrambleBramble
    14. Wind ×2
    15. PharosPharos
    16. Converter
    17. BrambleBramble
    18. Legion DroneLegion Drone
    19. Mex
    20. SyracusiaSyracusia
    21. Converter
    22. Wind
    23. Legion DroneLegion Drone
    24. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    25. Legion DroneLegion Drone
    26. BrambleBramble
    27. ArgonautArgonaut
    28. IapetusIapetus
    29. Legion DroneLegion Drone
    30. Wind
    31. SyracusiaSyracusia
    32. Wind
    33. ArgonautArgonaut
    34. Mex
    35. Wind
    36. PharosPharos
    37. DionysusDionysus
    38. Wind ×2
    39. DionysusDionysus
    40. Wind
    41. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    42. Wind
    43. ArgonautArgonaut
    44. Geothermal PowerplantGeodone 11:13 · typical 7:51
    45. Wind
    46. SthenoStheno
    47. ArgonautArgonaut
    48. Wind
    49. SyracusiaSyracusia
    50. Wind
    51. Legion DroneLegion Drone
    52. Wind
    53. IapetusIapetus
    54. Legion DroneLegion Drone
    55. Wind
    56. Legion DroneLegion Drone
    57. Wind
    58. Legion DroneLegion Drone
    59. Wind ×6
    60. Legion DroneLegion Drone ×2
    61. SyracusiaSyracusia
    62. Wind
    63. Legion DroneLegion Drone
    64. SyracusiaSyracusia
    65. Wind ×2
    66. Legion DroneLegion Drone
    67. Legion Bot LabLegion Bot Labnot finished by 15:00
    68. Wind ×2
    69. Legion DroneLegion Drone
    70. SyracusiaSyracusia
    71. Construction ShipCon ship
    72. Wind
    73. Legion DroneLegion Drone
    74. Construction ShipCon ship
    75. Wind
    76. Mex
    77. Wind
    78. Construction ShipCon ship
    79. Wind
    80. SyracusiaSyracusia
    81. Wind
    82. OcteresOcteresdone 13:44
    83. Mex
    84. Advanced Metal ExtractorT2 mexdone 13:55
    85. Wind
    86. Legion DroneLegion Drone ×2
    87. Construction ShipCon ship
    88. Legion DroneLegion Drone
    89. Wind
    90. Legion DroneLegion Drone ×2
    91. Construction ShipCon ship
    92. Wind
    93. Advanced Metal ExtractorT2 mex
    94. Construction ShipCon ship
    95. Legion DroneLegion Drone
    96. DionysusDionysus
    97. Mex
    98. Naval Energy Converter ×2
    99. Legion DroneLegion Drone
    100. Naval Energy Converter ×2
    101. DionysusDionysus
    102. Naval Energy Converter
    103. Advanced Metal ExtractorT2 mex
    104. Naval Energy Converter
    105. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is Rexalidus's (37 OS, 29/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:38 · in 60% of games

You get

  • Finch1 Finch from Airfirst at 1:47 · in 45% of games
  • Hercules1 Light transport from Airfirst at 2:10 · in 30% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:32 · in 70% 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

05k10k
0:005:0010:0015:00

metal

Own metal lost

02k4k
0:005:0010:0015:00

metal

20 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00162100
4:0028335251
5:00399518362
6:005325565124
7:006791603176
8:0082851412345
9:00102131702419
10:00122262348918
11:001452333851656
12:001734337762213
13:002005253902343
14:002349770313351
15:002767597993665
WHAT THE NUMBERS SAY

Standard geo sea sits near an even split on wins while destroying more metal than it loses by 15:00, typical for a contested sea role.

  • + Enemy metal destroyed reaches 7775 by 15:00 against 4863 lost.
  • + Syracusia dominates army composition at 43%, showing a clear naval focus.
  • − Team win rate is only 47%, essentially a coin flip.
  • − T2 factory only completes in 32% of games, so tech transition often stalls.
THE EXAMPLE YOU ARE READING

Rexalidus

37.2 OS · 29/09/2026

Open source match ↗

2 received units · includes a constructor
334 metal received · 24082 energy received

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

Typical milestones

Legion Bot Lab1:07Middle 50%: 1:04–1:13 · n=20
Shipyard3:06Middle 50%: 2:36–3:52 · n=20
Syracusia5:06Middle 50%: 4:36–5:55 · n=20
Geothermal Powerplant7:51Middle 50%: 6:58–10:12 · n=20
Advanced Metal Extractor9:11Middle 50%: 8:42–9:28 · n=13

Played most by

KingBenjai8games of this buildHighlyRegarded2games of this buildPRO_Rerory2games of this buildRysica2games of this buildarmjanus1game of this build