I'd like them to include a futuristic version of every gun.
If you think about it the weapons are gonna have to be really advanced with amazing automatic aiming. The military ought to have some serious weaponry by now and bullets that fly towards the enemy.
There could also be a futuristic bow and arrow where the bow can fly itself. And vehicles will float people will have Vegeta glasses.
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I just hope that you can get powerful pistols as well as weak starter ones.