These 5 were the brainiest that I played:

Each move costs one power. When no power, light goes out. Bat chases. Get gold. https://ldjam.com/events/ludum-dare/39/powerless-miner

Powerless: Trump Teaches Typing. https://ldjam.com/events/ludum-dare/39/powerless-trump-teaches-typing

Build a maze to find the exit. https://ldjam.com/events/ludum-dare/39/thirst

Drive to deliver. Open map drains battery. https://ldjam.com/events/ludum-dare/39/delivery-drain

Connect waves and compare. https://ldjam.com/events/ludum-dare/39/ministry-of-synthesis