J00B

"A little C4 knocking at your door!" - Chrono commando's vanilla line used when he is created. Could be used for SEAL when he is ordered to attack buildings.

I miss this one in particular, such a cool line.

How about destroyed miners drop a full or partial payload of ore on the battlefield able to be mined again? Might give incentive to protect/target miners even more-so.

Game mode suggestion: Tinderbox

Description: As your base grows, flammable materials e.g barrels, ammo dumps and other explosive objects are placed in and around your base. The bigger your base, the higher output of materials.

When it comes to disposal, Allies have a good advantage with their chrono-tech. Perhaps some units from other factions can have an ability to assist in safe disposal of explosive objects. Engineers, Crazy Ivans, Spies, Terror Drones, Magentrons, Clairvoyants etc.

Super-weapons are disabled.

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Also another suggestion: Buildable hedgehogs for each faction. Provides a stronger, sturdier alternative to walls whilst allowing fire-through ability for attacker or defender. Obviously more expensive than walls. Good way of filtering enemy units from rushing choke points.