Play Dino D-Day free until Sunday, April 28th at 1:00PM PDT. During the free weekend Dino D-Day is 75% off the regular price through Monday, April 29th at 8:00AM PDT. Dino D-Day is a frantic, action-packed multiplayer game that transports you to a World War II that should have been. You and your friends can battle online choosing to serve the cause of the Allied nations or the Nazis. If you already have Steam installed, click here to install or play Dino D-Day. If you don't have Steam, you can download it here.