Rfactor is a great product and under some points it is the best sim hands down. However some base stuff is simply lacking, like: - Proper offline championship built-in. I'm aware they are working on a new UI. However, unless i have failed to gather further details, i see no official statements about whether or not offline championship will be one of the features of the new UI. - In-car differential settings. It is something essential and very common that allows to instantly change the balance of the car. It is beyond my comprehension why some sims/games implements it while rFactor don't. I mean this is also a part of simulation and not having it is a void left in the simulation. I would have somehow understood if rFactor didn't simulate differential at all, although at this point it won't be a simulation, but it does so why not extend it to the in-car adjustment. I've read that in the past ISI told that it would mess up with the physics, if it is so then damn there is something wrong there.