Help with fifteen mission.

[Pitsodmetrofffkrasnoitryapki]

Greetigns. Could anyone be so kind and tell mehow to beat additional goal? I mean how to loose no more than fifty units?

[SixthBlackWing]

You might've figured it out already

Change every basic unit into leeches split them into two groups and send them up both sides. make sure the enemy doesn't take gunners since they'll kill leeches easily. Spawner to leeches - leeches to protect gunner locations.

[Pitsodmetrofffkrasnoitryapki]

Wow. It was five years already. Thenks for your reply.