Snipers, more scopes, and melee. I know sniper sounds like a bad idea since the maps are small, but you can get up high and shoot through windows to make it work. and for more scopes you can either equip which one you want to pick in game at inventory, or buy it in game. And for melee you should get a free knife already equipped, it sounds like a bad idea since everyone has guns, but it might be fun to try to sneak up on someone