There are lots of games that are simply designed as entertainment (edit: or political pieces, art, etc.), and I'm perfectly fine with those. But there are also

There are lots of games that are simply designed as entertainment (edit: or political pieces, art, etc.), and I'm perfectly fine with those. But there are also games, typically mobile games, that blatantly do everything in their power to keep the player (often a naive child) coming back, and those are definitely manipulative. Manipulative enough to be illegal? I don't think so, but I'm not sure.