Human level passwords:
Unlock the listed levels by entering the corresponding passwords:
LEVEL – HUMANS – ALIENS
1 – 410-443 – 484-595
2 – 213-253 – 344-944
3 – 147-654 – 287-496
4 – 032-687 – 419-295
5 – 477-001 – 485-257
6 – 411-415 – 345-696
7 – 370-464 – 156-694
8 – 082-826 – 091-082
9 – 354-396 – 387-340
10 – – 091-458
11 – – 017-690
Easy money on Level 9:
When playing as the aliens in level 9, head to the northeast corner of the map. There you’ll find a raised area containing four oil fields almost side by side.
Easy win on Alien convoy mission:
Take control of the central bridge with laser tanks and terror pods. There is also an oil field there.
Alien hints:
Their weapons can shoot air units, but are not that strong on buildings.
Human hints:
They have weapons of mass destruction, but can’t attack air units.