▁element ▁in ▁S lap ▁Fight , ▁as ▁the ▁player ' s ▁ship ▁is ▁rendered ▁inv inci ble . ▁The ▁weapon ▁power - up ▁system ▁were ▁implemented ▁early ▁during ▁the ▁creation ▁process , ▁since ▁the ▁development ▁wanted ▁to ▁make ▁" that ▁kind ▁of ▁game ", ▁while ▁each ▁of ▁the ▁weapons ' ▁functionality ▁and ▁role ▁were ▁decided ▁to ▁be ▁good ▁for ▁certain ▁sections ▁in ▁the ▁title . ▁All ▁of ▁the ▁secre ts ▁were ▁planned ▁from ▁the ▁beginning ▁of ▁development ▁and ▁the ▁team ▁kept ▁adding ▁to ▁the ▁idea ▁during ▁the ▁creation ▁process ▁such ▁as ▁secre ts ▁that ▁required ▁certain ▁weapons . ▁Another ▁secret , ▁the ▁ship ' s ▁satellite ▁" option ", ▁was ▁an ▁idea ▁suggested ▁by ▁Os am u ▁" Le e " ▁ Ō ta ▁as ▁a ▁way ▁to ▁give ▁the ▁second ▁player ▁on ▁a ▁co ck tail ▁cabinet ▁a ▁purpose . ▁ ▁M ega ▁Drive ▁version ▁▁ ▁The ▁S ega ▁M ega ▁Drive ▁conversion ▁titled ▁S lap ▁Fight ▁MD ▁was ▁developed ▁by ▁M . N . M ▁Software , ▁a ▁Japanese ▁game ▁development ▁company ▁founded ▁by ▁former ▁Dem pa ▁Mic om soft ▁member ▁Mik ito ▁Ich ik awa . ▁Ich ik awa ▁met ▁then - To ap lan ▁composer ▁T ats u ya ▁U em ura ▁at ▁the ▁home ▁of ▁late ▁B ubble ▁Bob ble ▁designer ▁F uk io ▁M its u ji , ▁ex ch anging ▁business ▁cards ▁before ▁Ich ik awa ▁found ▁the ▁offices ▁of ▁To ap lan ▁two ▁weeks ▁later . ▁Being ▁a ▁fan ▁of ▁T win ▁Cob ra ,