comm only ▁short ened ▁to ▁Base ▁Wars ▁or ▁Base W ars ) ▁is ▁a ▁fut ur ist ically - th emed ▁sports ▁game , ▁released ▁for ▁the ▁N intendo ▁Entertainment ▁System ▁on ▁June ▁ 1 , ▁ 1 9 9 1 . ▁ ▁Set ▁in ▁the ▁ 2 4 th ▁century ▁where in ▁baseball ▁team ▁own ers ▁have ▁grown ▁tired ▁of ▁pay ing ▁out rage ous ▁player ▁sal aries , ▁they ▁decide ▁to ▁replace ▁their ▁ro sters ▁with ▁cy borg ▁rob ots . ▁This ▁was ▁the ▁last ▁N ES ▁game ▁released ▁by ▁Ult ra ▁Games ▁independently ▁( although ▁it ▁did ▁release ▁several ▁other ▁games ▁developed ▁by ▁other ▁companies ▁for ▁another ▁year ▁after ward ▁for ▁both ▁the ▁N ES ▁and ▁Game ▁Boy ). ▁ ▁Game play ▁ ▁General ▁game play ▁While ▁maintain ing ▁basic ▁baseball ▁elements ▁of ▁pitch ing , ▁batt ing , ▁field ing , ▁and ▁base ▁running , ▁Base ▁Wars ▁adds ▁a ▁fighting ▁element ▁to ▁the ▁game ▁featuring ▁four ▁robot ▁classes ; ▁a ▁traditional ▁cy borg ▁that ▁looks ▁more ▁like ▁an ▁android , ▁a ▁tank , ▁a ▁fly bot , ▁and ▁last ly ▁a ▁motor cycle . ▁A ▁player ' s ▁rob ots ▁can ▁be ▁upgrad ed ▁with ▁new ▁and ▁advanced ▁weapon ry ▁and ▁rep a ired ▁with ▁money ▁earned ▁for ▁game ▁wins ▁during ▁tournament s . ▁ ▁Fight ing ▁While ▁fighting ▁is ▁a ▁rare ▁occurrence ▁in ▁traditional ▁baseball , ▁f ights ▁are ▁an ▁integral ▁part ▁of ▁the ▁game ▁in ▁Base ▁Wars . ▁ ▁As ▁explained ▁in ▁the ▁original ▁game ▁manual ,