I started on a chaotic energy game... you have a core producing energy, but you also have chaotic energy trying to destroy your core. The only way for your core to survive is to have energy, but having too much energy also increases the strength of the chaotic energy.
In order to defend yourself, you’d set up nodes, towers, or somethin, that would shield you from the chaotic energy, but it would also cost an energy upkeep.
so you have to balance how many shields you can support without destroying yourself, meanwhile the chaos is growing stronger by the second and becoming more dangerous...
I spent a few hours making the energy stuff work, but I couldn’t find a way to make the game actually fun to play... so I’m doing something else now, but maybe this might give you ideas 🤔