chart ed ▁ 2 : ▁Among ▁Th ieves ▁was ▁released , ▁to ▁move ▁to ▁S ait ama , ▁Japan , ▁along ▁with ▁his ▁wife ▁Ke iko , ▁a ▁game ▁designer ▁herself . ▁Part ▁of ▁this ▁move ▁was ▁to ▁be ▁closer ▁to ▁her ▁family , ▁but ▁Pope ▁also ▁had ▁been ▁developing ▁smaller ▁games ▁along ▁with ▁Ke iko ▁during ▁his ▁time ▁at ▁N aught y ▁Dog , ▁and ▁wanted ▁to ▁move ▁away ▁from ▁" the ▁definite ▁formula " ▁of ▁the ▁Un chart ed ▁series ▁toward ▁developing ▁more ▁expl or atory ▁ideas ▁for ▁his ▁own ▁games . ▁The ▁two ▁worked ▁on ▁a ▁few ▁independent ▁game ▁titles ▁while ▁there , ▁and ▁they ▁briefly ▁re located ▁to ▁Singapore ▁to ▁help ▁another ▁friend ▁with ▁their ▁game . ▁From ▁his ▁travel s ▁in ▁Asia ▁and ▁some ▁return ▁tri ps ▁to ▁the ▁United ▁States , ▁he ▁became ▁interested ▁in ▁the ▁work ▁of ▁imm igration ▁and ▁pass port ▁inspect ors : ▁" They ▁have ▁a ▁specific ▁thing ▁they ’ re ▁doing ▁and ▁they ’ re ▁just ▁doing ▁it ▁over ▁and ▁over ▁again ." ▁He ▁recognized ▁the ▁pass port ▁checking ▁experience , ▁which ▁he ▁considered ▁" ten se ", ▁could ▁be ▁made ▁into ▁a ▁fun ▁game . ▁ ▁While ▁he ▁had ▁been ▁able ▁to ▁come ▁up ▁with ▁the ▁mechan ics ▁of ▁the ▁pass port ▁checking , ▁Pope ▁lack ed ▁a ▁story ▁to ▁drive ▁the ▁game . ▁He ▁was ▁then ▁inspired ▁by ▁films ▁like ▁Ar go ▁and ▁the ▁Bour ne ▁series , ▁which ▁feature ▁characters ▁attempting ▁to ▁in fil tr ate ▁into ▁or ▁out