Overrated version of TRON
Folks have compared this TV miniseries to Avatar and The Matrix, but I think it has more in common with TRON (1982) and TRON: Legacy (2010).
The Matrix has a far richer universe to explore (both in the simulated and real worlds), a more sinister reason for the simulated world, and some religious overtones.
In Avatar, there is no simulation at all. One mind controls another real body in the same world, just at a different location.
In TRON, you have a person designing and then being inserted into a virtual world (in this case, a series of games, but it's real to the programs in it) interacting with simulations. In the 2010 sequel, a simulation is brought into the real world.
This had potential, but given the intensely annoying sound choices, and the unnecessarily slow pace, I give this the same score as TRON as well. If I never see another dramatic zoom-in with screeching sound, it will still be too many.