I beg to differ, almost all of the background skills fall under consolidated skills, according to Table 2-2 in Unchained. If a group is using Consolidated Skills, then players don't take the background skill Handle Animal anymore, they take Nature, they don't take Linguistics, they take Society, etc. Those background skills are not valid choices anymore. There are only a few skills from the old system not covered in Consolidated Skills: Appraise, Craft, Knowledge (Engineering), and Profession (and the two new ones, Artistry and Lore, are not even covered). Secondly, Background Skills uses the same Max Skills as before, plus 2 per level. Consolidated divides the old system in half. Points in Consolidated are worth twice as much due to the grouping. There's no way to adjudicate 2 more points of "background', they could go in only the 4 missing skills, or someone could argue they go in Nature, etc. The two systems use different skill points. There is no way to combine them, because they are different systems. Unless a GM wants to make something custom then they can, since all the tabs are visible (the radiobutton currently only uses it to calculate max skills), but then they'd have to add more in the additional max skillpoint field, so it's doable. But that would be a house rule