A timing attack of marines with siege tanks and +1 infantry attack at ~6:25.
Unit Composition
You should have:
14 | 0:17 | | |
15 | 0:30 | | |
16 | 0:43 | | |
19 | 1:30 | | |
20 | 1:41 | | |
20 | 1:52 | | |
21 | 2:08 | | |
22 | 2:11 | | |
22 | 2:15 | | |
24 | 2:44 | | |
25 | 2:48 | | Rally to enemy base. |
29 | 2:54 | | |
30 | 3:06 | | |
31 | 3:11 | | |
35 | 3:21 | | |
39 | 3:32 | | |
40 | 3:35 | | Start wall in expa. |
41 | 3:36 | | |
44 | 3:53 | | 1 in factory reactor & 1 in starport reactor. |
46 | 4:05 | | Wall in expa. |
47 | 4:11 | | Swap with barrack. |
48 | 4:15 | | Behind minerals in expa. |
49 | 4:24 | | Wall in expa. |
49 | 4:25 | | |
51 | 4:30 | | Wall in expa. |
51 | 4:33 | | |
56 | 4:43 | | |
58 | 4:52 | | Constant production. |
63 | 4:57 | | |
64 | 5:00 | | |
65 | 5:02 | | |
65 | 5:05 | | |
73 | 5:21 | | |
79 | 5:34 | | |
83 | 5:38 | | |
88 | 5:48 | | |
89 | 5:53 | | |
92 | 5:59 | | Go to attack. |
97 | 6:12 | |
Get control map and deny creep with 4 hellions and the reaper for the incoming push.
If you're not going to win, continue like a normal macro game of bio units.
Following Buildings
3rd CC.
Armory and bay for +2/+2.
2 barracks with reactor and lab.
Factory.
Possible production: A reactor in that factory to make widow mines with the upgrade. Or a lab for double tank production with +1 for vehicles.