Upgrades center

[Guest Ninja Master.]

For Yuri's:

 

Is is posible to make a building that when built, will make certain units unbuildable? This way I could have a Grizzly. Then if I brought a certain building, the option to build a grizzly would dissappear and in its place would be a........GrizzlyTankE etc

 

Thanks

[Doctor Destiny 42]

Not possible.