< Commander: Another remote installation on one of Neptune's moons is in peril. The station has an EMP set up along the Aliens path as a start for a defensive grid. You must finish the grid and keep the cores.
The Aliens will wander, as if dizzy, indirectly advancing towards the cores after p...

Many civilizations have been buried by the sands of time.

While there are options on tower placement pretty much only the one path.

< Commander: We seem to be in a bit of a jam. The Aliens have penetrated a secure area and are staging their attack. Toast the aliens and preserve the Cores. >

< Commander: Some of the Aliens have developed anti-grav capabilities. They can fly! Don't be distracted by the ground attack, or they will swoop in and steal the cores! >

All missions have pods
Story 40 waves
Story Leader board ( same as story )

< Commander: Do your best. High Command has not received any blueprints or data regarding this remote outpost. You will be going in cold, and on your own. We suspect it hides smuggling and black market activities, so you will have a secondary mission. Relay back to HQ as much data as you can ...

< Commander: Discombobulated! That is what happens to the aliens after they pass through an ionized pulse. The Engineers have installed two smaller pulse generators and a much larger one at key access points to the main floor of the facility. The Aliens will wander, as if dizzy, indirectly adv...

story 40 waves
story leaderboard 40 waves same as story
aliens are stronger

< Commander: Do your best. Blast the blighters to oblivion! >

< Commander: The Museum of Ancient Combat Equipment is being threatened and requires your prompt attention. The M.A.C.E. preserves the history of defence and displays examples of ancient weapons of defence. >