Gather around kiddies for a tale of the bad old days. You see, once upon a time, PC gaming wasn’t as unified as it is now. Graphics card vendors (and even individual graphics cards) had their own proprietary APIs, and sometimes games shipped as special versions for a given graphics card, complete with custom assets and wildly varying visual

Source: Hot Hardware – Modder Pairs 3dfx And PowerVR Chips On One Board For The Ultimate Retro Graphics Card