The cheapest graphics card you can play it on is an NVIDIA GeForce 8400. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 760. An Intel Celeron CPU is required at a minimum to run Ludwig. Whereas, an Intel Core i5-650 is recommended in order to run it. You will need at least 600 MB of free disk space to install Ludwig. The minimum memory requirement for Ludwig is 2 GB of RAM installed in your computer. Additionally, the game developers recommend somewhere around 4 GB of RAM in your system.
Ludwig will run on PC system with XP (SP3) / Vista / 7 / 8 and upwards.