he first player who arrives on the planet should be the owner of the planet. If time permits, they can build a city with fortifications making it more difficult for future enemies to attack. Defenses can come in the form of walls, anti-air missile, heavy defensive artillery which destroys any target in sight.

During war, I presume that the only way troops will arrive from other planets is via air-lift. Maybe battles can revolve about control over the airspace. A battle between fighters and the bombers will destroy any anti-air target on the ground. If it's an undecided battle then the airspace gets split into half, else if one side dominates over the air, sending reinforcements over will be more difficult but not impossible.

I thought of a weather system. Depending on the weather, it will have different impact on the war situation. If there is snow, troops move more slowly and if they lack adequate clothing, they will freeze and suffer a large drop in morale. Vehicles also may move slowly too. If there is rain accompanied by thunderstorm, it may be difficult to send reinforcements as the planes may get shot down by lightning. If there is fog, visibility will be poor rendering planes almost useless and the defensive lines will be weaker. Thus players can launch an attack during the fog and yet suffer less casualties as the guns and artillery will have decreased accuracy.

For a never-ending war, there should be a powerful defensive element involving turtling which is normally a taboo in RTS games. Making it such that it is almost impossible to break the lines using just sheer numbers and no tactic. Players have to plan over long period if they were to breach through the tight defensive lines such as flanking them.

Maybe the resources can be scattered all around the world some being extremely rich and some not. Maybe players can build resource collection centers around the safe zone to exploit the resources for temporary gain as well, maybe to fund the war as well.

How about players playing the support role? Sometimes, players are not interested in participating in these war campaigns. So what can they do? Maybe building vehicles and planes and selling it to other players especially when the former's technologies is much better than the latter. These ways, economic players can also have a part in the game.

There could be a guild system where players get together and conquer planets together as well as make new friends. It also provides for better communication. When they seize planets under their guild name, they can share the resources amongst themselves.

[quote name='hpdvs2' timestamp='1357437173' post='5017985']
I like this idea. This gives a bit of a way to defend a planet. Perhaps there are Atmospheric Defense Systems, Something that doesn't help in battle itself, it just prevents space ships from landing in that area that aren't permitted. Perhaps a planet should have those every X amount of space, perhaps 20 to a planet or so. Being the first in the groups to land, you would land on a spot and attempt to put that into play, at the same time others would also be going into that area. Dispersed evenly across the planet, these sites would become targets of the opponents until the entire surface is protected by one side. at which point there is no escape or re supplying, though remaining troops can attempt a last stand (unlikely) to take one of the defense systems out.

It gives goals. This would also provide control centers. These defense centers get extra government resources to maintain them. Perhaps these players also get to influence the target areas that the battles occur. getting to identify which areas should have more drop offs for battle.
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To add on the the planet colonization, maybe some planets will have some native population which inhabits the planet. Players have to negotiate with them first. If it fails, they will have to take the planet by force. This way, it does not give planets free planet. They have to go through some hardship to colonize it by battling against the ai defenses. At the end of the war, the player can choose to kill off the residents or win their support and allow them to be part of the population of a new government which can enhance the rate in which the city is rebuilt instead of getting your residents to come over from another planet.

[quote name='hpdvs2' timestamp='1357443659' post='5018042']

Agreed. I was figuring this might play from multiple perspectives that way. some players will be mostly interested in Tactical Combat, and others only in City Building. I was figuring that City Builder's could let there troops go out to others. I.e. Other friends can use the squads. Both people gain if the squad succeeds. Also, early players, not connected to teams or guilds could provide their squads out to an open forum in a sense.

Additionally, Combatants who have no interest in the city side, could start using these free squads to use. Combatants will only have access to low level troops. After proving them selves with the starting troops, they will get get better resources to go into battle with. After any available human players squads show up on the list, it will be followup up by AI squads, so even if player squads aren't available, AI ones will be.
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Maybe you could provide more support for the non-battle aspect by creating a market where you can sell weapons you have built or maybe loans where player can borrow troops from other economic player for a fee. Also, they can help to guild manage the new cities which have been colonized, by managing the construction of buildings and defenses as well as how the economy of the city will be structured.

[quote name='hpdvs2' timestamp='1357444074' post='5018047']
I like this idea. For instance, perhaps you have guilds, but you also have those leading the battles on planets. So the ones who own planetary defense systems on the same planet, perhaps they share the board. They can see each others systems. If another player is off line, then another can use their system. No one would want to sabotage anything, because if the do, it weaken's their side, and they could lose the planet. (not to mention get kicked off the game)

This could actually fix the issue involving when a player is off line.
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So you mean something like allowing your guild mates to control your troops while he is offline? Maybe it could work this way. Before going offline, players can set one of their guild mates to command their troops so that they will not lack of man power should the player gets attacked. It also can help to resolve the problems of the timezone, Asian players may be asleep while American players are very active.

[quote name='hpdvs2' timestamp='1357441560' post='5018025']
Of course with this massive of a struggle, I imagine that Blitzkrieg style attacks may be preferred.
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The trick is how to make it last as long as possible and to prevent the Blitzkrieg style of gaming, build up for months and months only to have the game determined by Blitzkrieg. Maybe something which forces someone to advance. As I have mentioned previously, geography may be key. It is easy to defend a small choke point but not a massive battlefield. Large areas leave more room for more mistakes as there will be a large area to defend making it not as difficult to exploit the enemy defenses.

Making the map extremely large can be a good idea. There can be a lot of routes too which players can route by to ambush their opponents and seize positions from the shadow leading to a cat-and-mouse chase where players continue fighting against each other in many different areas. Also, no matter how big your army, it's almost impossible to control every single area. Thus, no matter how badly players are pushed back, they can also come back through sudden reinforcements and pushing through the weak points out of the sudden.

Different types of geographical choke points are important as well. Heavy cover, high ground, rough terrain, city choke points, constructed and burnt ground should all have useful units/unit skills that enable various lesser units to hold out against heavier more armored/armed units.