Remember Return to Castle Wolfenstein? Think back further. Remember Castle Wolfenstein? Go a little further than that. Wolfenstein 3D turns 20 this year, and to share in the love of kicking Nazi ass, we’ve got a cool new way to play the classic shooter – you can now play it in the same browser you are using to read this post! For the real trip down memory lane, check out the official site for a podcast with series creator John Carmack. If you’d rather watch it here, why don’t you check out this nostalgia-fueled awesome in video form below. When you are ready to put on the boots once more, head over to the site to get started!