The phrase "real battlefield" refers to an actual place where a war or conflict is happening, rather than a metaphorical or symbolic one. Full definition
We can see the squad - level strategy translating nicely to an iPad, making the tablet feel like a piece of real battlefield technology. (dealspwn.com)
Now she looks to Jonathan Ames» novella about a grown man whose experience growing up in the shadow of the domestic battlefield of his parents and his later experience on the very real battlefield of the Middle East informs his work as a vigilante whose choice of weapon is a «Master Series» ball - pein hammer. (indieethos.com)
The technological sophistication of military shooters has increased over the years to the point where the guns look awfully close to weapons used in real battlefields and — «uncanny valley» issues aside — enemy soldiers resemble real human beings. (gameological.com)