Just to slow down the Dr Strangelove aspect of the game, an undamaged nuclear reactor could be made necessary for starting or continuing any level of atomic bomb research. If no undamaged reactors were available any ongoing research would stop and no new research could be started.
This would encourage players to make pre-emptive strikes to halt other nations' progress: quite unlike certain goings-on in our own times. It would also encourage players to look for remote places to build reactors for research: ditto.
This would encourage players to make pre-emptive strikes to halt other nations' progress: quite unlike certain goings-on in our own times. It would also encourage players to look for remote places to build reactors for research: ditto.