Benelux / Central Europe Recharged
Buy this firstBenelux is described as the map to teach new players and plays about 30% faster, and a BGG regular calls this pair the best bang-for-your-buck map expansion.
Needs: Needs Power Grid or Power Grid: Recharged.
Adds: A double-sided board with a Benelux map and a Central Europe map, each with small rule changes.
Fixes: Gives a faster, cheaper-to-build map with plentiful resources, so a repeat group can vary the game without a steeper rules load.