Now I'm trying to imagine what God of War Tactics would be like. I have no clue, but I bet it'd be epic. :)
Let's face it, it would consist entirely of Kratos running around on a grid mowing down everything in sight with maybe a few foot soldiers on hand to act as canon fodder. The tactics would basically consist of choosing which enemy to slaughter first without getting dogpiled in retaliation and when to break out the spells and items. There will of course be a bonus stage that consists of nothing but banging chicks in orgy like fashion.
There may be a few additional characters added to the game solely to give you more than one PC or one real PC and they'll be the usual sniper, staff chick, magic nuke, pack mule, gimmick character. Male PCs not named Kratos will either be bald or guys like Adonis and Perseus and any and all female PCs will be the usual inappropriately dressed, buxom, and bangable (its just that you'll have actual sex minigames in this one rather than just dating simming it up like in Riviera).