Geo sea / Cortex / Economy first / OBSERVED BUILD

Standard geo sea

Bot Lab then Shipyard by roughly 3:20 with a frigate and submarine out fast to contest the sea, transitioning into destroyers and later flagships/frigates for the rest of the game.

Usually no shipyard (100%)

#naval #eco · 5 distinct matches · 4 players · 100% of Cortex Geo sea games · team won 4 of 6 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 3:20

0:03Take mex and wind, then build a Bot Lab by 1:06.
1:42Add a costal torpedo launcher before finishing the Shipyard.
2:37-3:20Complete the Shipyard to start pushing out ships.
4:11-4:26Push frigate and submarine out to contest the sea.
6:10Add destroyer to establish sea control, then scale toward T2.

Phase by phase

TYPICAL OF ITS 5 GAMES

1
20:49
32:44
45:00

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
Up to the Bot Lab
0:00 – 0:49
Economy
- 3Mex
- 3Wind
Order
1. Bot Lab ~0:49after 3 mex, 3 winddone ~1:06, middle half 1:05–1:06
By 0:49 in all: 3 mex · 3 wind
The example game in this phase · 4 steps
1. 0:03Mex ×3
2. 0:29Wind
3. 0:35Wind ×2for Air
4. 0:47Bot Labdone 1:03 · typical 1:06
2
Bot Lab to Shipyard
0:49 – 2:44
Economy
- 2Mex
- 2Wind
- 1Windfor allies
- 1Energy storage
Order
1. Shipyard ~2:44after 5 mex, 5 wind, 1 con turretdone ~3:20, middle half 3:12–3:33
Builders
- 1 Con turret
- 4 Con bot
- 3 Graverobber
Army
- 2 Trasher
Some games also: grunt (50%)
By 2:44 in all: 5 mex · 5 wind · 1 energy storage · 1 con turret
The example game in this phase · 16 steps
1. 1:04Wind
2. 1:07Graverobber
3. 1:15Wind
4. 1:15Graverobber
5. 1:26Con bot
6. 1:26Wind
7. 1:36Con bot
8. 1:40Wind
9. 1:42Con turret
10. 1:46Wind ×2
11. 2:01Con bot
12. 2:12Mex
13. 2:18Grunt
14. 2:23Trasher
15. 2:23Energy storage
16. 2:37Shipyarddone 3:12 · typical 3:20
3
Shipyard to 5:00
2:44 – 5:00
Economy
- 6Mex
- 2Wind
- 3Converter
Builders
- 1 Con ship
Army
- 1 Thistle
- 2 Frigate
- 1 Submarine
Other
- 2 Radar Tower
Some games also: missile corvette (50%) · Guard (33%) · Urchin (33%)
By 5:00 in all: 10 mex · 8 wind · 4 converter · 1 energy storage · 1 con turret
The example game in this phase · 20 steps
1. 2:50Mex ×2
2. 3:12Radar Tower
3. 3:13Con ship
4. 3:15Mex
5. 3:26Guard
6. 3:28Frigatedone 3:41 · typical 4:11
7. 3:33Mex
8. 3:42Frigate
9. 3:47Converter
10. 3:47Mex
11. 3:55Submarinedone 4:26 · typical 4:26
12. 4:00Guard
13. 4:01Converter
14. 4:27Missile corvette
15. 4:28Converter
16. 4:38Death Cavalry
17. 4:43Guard
18. 4:44Converter
19. 4:45Mex
20. 4:50Con turret
4
5:00 to 10:00
5:00 – 10:00
Economy
- 5Mex
- 12Wind
Builders
- 3 Con turret
- 2 Death Cavalry
- 2 Con ship
Army
- 7 Guard
- 4 Thistle
- 4 Missile corvette
- 3 Frigate
Other
- 3 Naval Radar / Sonar Tower
Some games also: submarine (33%) · Slingshot (33%)
By 10:00 in all: 15 mex · 20 wind · 4 converter · 1 energy storage · 4 con turret
The example game in this phase · 110 steps
1. 5:10Geodone 7:42
2. 5:13Mex
3. 5:21Dragon's Teeth ×5
4. 5:44Frigate
5. 5:46Dragon's Teeth ×2
6. 5:52Urchin
7. 5:52Wind
8. 5:53Dragon's Teeth
9. 5:55Frigate
10. 5:58Wind
11. 5:58Dragon's Teeth
12. 6:00Radar Tower
13. 6:01Wind
14. 6:03Dragon's Teeth ×2
15. 6:08Wind
16. 6:11Thistle
17. 6:12Dragon's Teeth
18. 6:13Submarine
19. 6:16Dragon's Teeth
20. 6:17Wind
21. 6:21Dragon's Teeth ×2
22. 6:29Submarine
23. 6:30Dragon's Teeth
24. 6:31Wind
25. 6:34Dragon's Teeth
26. 6:35Thistle
27. 6:39Dragon's Teeth
28. 6:41Mex
29. 6:44Dragon's Teeth
30. 6:45Destroyerdone 7:30 · typical 6:10
31. 6:46Wind
32. 6:47Naval Radar / Sonar Tower
33. 6:48Dragon's Teeth
34. 6:52Mex
35. 6:53Dragon's Teeth ×3
36. 7:06Wind
37. 7:06Dragon's Teeth
38. 7:07Mex
39. 7:11Dragon's Teeth ×2
40. 7:19Guard
41. 7:20Dragon's Teeth ×2
42. 7:29Guard
43. 7:29Dragon's Teeth
44. 7:30Wind
45. 7:32Missile corvette
46. 7:37Wind
47. 7:41Guard
48. 7:42Missile corvette
49. 7:45Wind
50. 7:49Slingshot
51. 7:52Missile corvette
52. 7:54Guard
53. 7:59Wind
54. 8:04Death Cavalry
55. 8:05Thistle
56. 8:08Wind
57. 8:18Submarine
58. 8:19Thistle
59. 8:33Frigate ×2
60. 8:49Guard
61. 8:53Frigate
62. 8:56Con turret ×2
63. 9:00Mex
64. 9:09Con turret
65. 9:11Con ship
66. 9:18Thistle
67. 9:19Con turret
68. 9:24Thistle
69. 9:27Con ship
70. 9:32Destroyer
71. 9:35Tidal
72. 9:35Twin Guard
73. 9:36Mex
74. 9:44Missile corvette
75. 9:45Tidal
76. 9:51Mex
77. 9:57Death Cavalry
78. 9:58Tidal
79. 10:06Mex
80. 10:08Tidal
81. 10:09Frigate
82. 10:11Tidal
83. 10:19Naval Radar / Sonar Tower
84. 10:19Frigate
85. 10:19Naval Energy Converter ×2
86. 10:28Thistle
87. 10:33Naval Energy Converter
88. 10:36Destroyer
89. 10:37Naval Energy Converter
90. 10:40Thistle
91. 10:46Naval Radar / Sonar Tower
92. 10:50Guard
93. 10:50Thistle ×2
94. 10:59Naval Energy Converter
95. 11:02Thistle
96. 11:02Converter
97. 11:05Thistle
98. 11:09Naval Energy Converter
99. 11:12Converter
100. 11:15Frigate
101. 11:17Naval Radar / Sonar Tower
102. 11:18Naval Energy Converter
103. 11:21Converter
104. 11:22Destroyer
105. 11:22SAM
106. 11:31Converter
107. 11:42Thistle
108. 11:42Converter
109. 11:42Missile corvette
110. 11:46Death Cavalry

Counts are medians over the build's games: half of them build more, half fewer. The example game is PRO_Fiddler112's (60 OS, 25/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

2 Wind to Airfirst at 2:15 · in 67% of games

You get

1 Light transport from Airfirst at 2:03 · in 83% of games
1 Finch from Airfirst at 2:14 · in 83% of games
1 T2 con bot from Techfirst at 7:28 · in 33% of games
1 T2 con bot from Techfirst at 8:35 · in 33% 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

02k4k6k

0:005:0010:0015:00

metal

6 games.

Show as table

By	Metal produced: This build	Enemy metal destroyed: This build	Own metal lost: This build
1:00	391	0	0
2:00	929	0	0
3:00	1743	0	0
4:00	3067	0	0
5:00	4410	348	51
6:00	6221	816	221
7:00	8219	2088	791
8:00	10354	2393	1106
9:00	12532	3232	1196
10:00	15183	4401	2986
11:00	18523	6641	3191
12:00	20445	7213	4326
13:00	22067	9266	4721
14:00	22067	9331	4721
15:00	22067	9381	4721

WHAT THE NUMBERS SAY

Standard Geo sea wins 67% of games and destroys far more metal than it loses by 15:00, showing strong sea dominance.

+ Enemy metal destroyed reaches 9381 by 15:00 against 4721 lost.

− Own metal lost jumps from 51 at 5:00 to 2986 by 10:00, a rough mid-game spike.

THE EXAMPLE YOU ARE READING

PRO_Fiddler112

60.1 OS · 25/08/2026

Open source match ↗

2 received units
492 metal received · 36742 energy received

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

Typical milestones

Bot Lab1:06Middle 50%: 1:05–1:06 · n=5

Shipyard3:20Middle 50%: 3:12–3:33 · n=6

Riptide4:11Middle 50%: 3:49–4:39 · n=6

Orca4:26Middle 50%: 4:12–4:26 · n=5

Oppressor6:10Middle 50%: 5:43–6:26 · n=5

Advanced Shipyard11:48Middle 50%: 11:18–12:04 · n=3

Played most by

sirniho3games of this build [APM]Zeeburg1game of this build [Grump]Grumpiness1game of this build PRO_Fiddler1121game of this build

Supporting games

Pick a game to read and play it above.

[Grump]Grumpiness21/09/2026 · 49 OS↗sirniho18/09/2026 · 37 OS↗sirniho18/09/2026 · 37 OS↗sirniho18/09/2026 · 37 OS↗[APM]Zeeburg25/08/2026 · 43 OS↗PRO_Fiddler11225/08/2026 · 60 OS↗Supreme Isthmus v1.7
Beyond All Reason test-31058-0308fc6
Naval balance tweaks off

Standard geo sea

Phase by phase

Up to the Bot Lab

Bot Lab to Shipyard

Shipyard to 5:00

5:00 to 10:00

Team trades

You hand over

You get

How it plays out

Metal produced

Enemy metal destroyed

Own metal lost

PRO_Fiddler112

Typical milestones

Played most by

Supporting games