Croteam say Vulkan 'is the way forward', Serious Sam HD: The First Encounter due in 'weeks' with Vulkan
Continuing my love for Croteam, today it was pointed out on reddit that the Croteam developers have been talking quite a bit more about Vulkan on one of their Steam forums. They also stated that Serious Sam HD: The First Encounter should have the Fusion update with Linux & Vulkan in 'weeks'.