The main C# killers for gamedev are: - Portability (to consoles - you basically need to port Mono yourself, as NDAs prevent upstream from receiving all the nec

The main C# killers for gamedev are: - Portability (to consoles - you basically need to port Mono yourself, as NDAs prevent upstream from receiving all the necessary changes...) - Legacy (lots of C++ libraries they want to use - you can write C stubs to PInvoke, but this can be awkward...) - GC collections (with little control over the timing of latency spikes other than to avoid all allocation during gameplay - again possible, but awkward.) Many of these are more ".NET Runtime" problems than C# problems.