Less borderland or battlefront ,more doom or gears of war
Remove all craft
Remove gun skill tree for dmg
Remove mathematics dmg
Make headshot/heartshot deadly against bot with no helmet or armor
Make armshot disarming bot,legshot making them moving slowly or falling down to capture them (same for katana)
Make only few guns avalaible,just use some cosmetics as rewards after defeating a boss and capture him, with damaging a weakpoint (like darksoul or metal gear peace walker) for exemple .
At first playthrought, make very hard condition to capture a boss to get some of fhis equipment (better cyber implants) without killing him (strong armor which against u could use only grenade launcher or something like that making area dmg; moving too fast for being accurate enought to hit weakpoint; using some hack against V to loose accuracy ), then in new game + use equipment collected to be more easy to defeat him without killing him,or to break his weakpoint ,or hack him to make him vulnerable ,and capture him to know more of the story,about himself and clan fondation s and goal,join him to get some extra jobs or not,put him into jail for vendeta later ,or kill him for widows orphan friend call for revenge ,or let him free without care n get some consequence later ...
Lvl up only with cyber implants like run reload or use gun katana faster,jump higher,be stronger, recover health with some nanomachine to repear cyber implants broke while fighting.
At end of new game, add an infinite random activity wheel (like red dead 1 or gta 4 and san andreas if i remember good) for each path followed at begin. 3 ways ,3 kinds of activity in city or outside. Some drive (taxi or to follow someone) ,or hack ,or kill , or intel (meeting to spy for exemple), or friends , police , criminal ,black market ,hunt ,building , food farmers ,clothes making ,gun s costmetics (like to find some secret guns or implants into hidden places difficult from access without gear took from bosses, or into high security places and needed boss becoming friends supports),...
Some activity for kids or poor to get better condition in night city too, some for (or against)(corrupted)mayor,cops,employe,company,...
Add some bar,restaurant,disco,sport arena,club,museum,public places with monuments,underground station,... where to meet friends n get activity
...
Could be nice, in my point of view,most of the other said to fix the game on some hardware