ar ▁St ri ker ▁as ▁" ade qu ate ", ▁but ▁noted ▁there ▁was ▁a ▁lack ▁of ▁material ▁to ▁keep ▁players ▁interested , ▁giving ▁the ▁game ▁a ▁score ▁of ▁ 6 9 %. ▁All game ▁r ated ▁it ▁ 2 . 5 / 5 , ▁describing ▁it ▁as ▁a ▁" de cent ▁shoot er ▁but ▁nothing ▁great ", ▁and ▁cit ing ▁its ▁difficulty ▁as ▁a ▁d eter rent ▁to ▁enjo ying ▁it . ▁Games ▁Are ▁Fun ▁gave ▁it ▁a ▁ 7 ▁out ▁of ▁ 1 0 . ▁German ▁magazine ▁Power ▁Play ▁pra ised ▁the ▁title ▁for ▁its ▁variety ▁in ▁terms ▁of ▁enemies ▁and ▁levels , ▁though ▁noted ▁the ▁underlying ▁simplicity ▁of ▁the ▁game ▁as ▁well , ▁giving ▁it ▁a ▁score ▁of ▁ 7 0 %. ▁ ▁Author ▁Jeff ▁R ov in ▁in ▁the ▁book ▁How ▁to ▁Win ▁at ▁Game ▁Boy ▁Games ▁described ▁the ▁title ▁as ▁" one ▁of ▁the ▁oldest ▁kinds ▁of ▁N intendo ▁games ", ▁comparing ▁it ▁to ▁SN K ' s ▁Al pha ▁Mission ▁but ▁added ▁there ▁were ▁too ▁few ▁instances ▁of ▁innov ation ▁or ▁surpr ises , ▁and ▁the ▁power ups ▁were ▁" uns atisf ying ". ▁ ▁Leg acy ▁The ▁background ▁music ▁for ▁Level ▁ 1 ▁and ▁Level ▁ 2 ▁was ▁used ▁in ▁the ▁beginning ▁of ▁the ▁Captain ▁N : ▁The ▁Game ▁Master ▁episode , ▁" The ▁Tr ouble ▁With ▁T et ris ", ▁in ▁a ▁slightly ▁alter ed ▁form . ▁A ▁space ▁craft ▁seen ▁in ▁the ▁same ▁part ▁of ▁the ▁episode ▁res emb les ▁the ▁Sol ar ▁St