Best Open-Source DOS Games — Play Free in Your Browser

Open-source DOS games are timeless classics whose code has been released to the public, making them easy to preserve, mod, and enjoy on modern devices. On bestDOSgames.com you can play legendary releases—right on this page, online, for free. We run them in your browser with faithful DOS emulation, so there’s nothing to install. Jump into fast-paced shooters, labyrinthine mines, and gothic fantasy quests, then tweak settings or try community enhancements. Whether you’re revisiting childhood favorites or discovering them for the first time, these open-source greats still deliver pure, no-nonsense fun.