I don't see what game he may possibly being trying playing given that he is seeing that scene in his mind.
I reckon that is a possible hint of he isn't completely unredemeable. His partners were struggling for saving him, and it reminded him of Team 7. In turn he fought for saving them. It can mean he recalled the strength of fighting for bonds for one instant.
By the way, I mentioned in my earlier post the Hinata and Sasuke's OOC-ness in NH/SS fanworks. I remind now a NH fan claiming NS fans make Naruto and Sakura more OOC in fanworks because they wrote or drew scenes where they get along or kiss or snuggle together, but the last she saw Sakura, she was hitting Naruto (laughably, ithat argument was written after chapter 450).
Let's see: during Pain fight, NH fans drew tons of fanarts and wrote tons of fanfiction where Naruto tightly hugged Hinata after the battle or they spent time together. On the other hand, NS fans drew fanarts and wrote fics where Naruto and Sakura hugged after the battle and spent time together during the rebuild of Konoha.
Who was being OOC here and who was transforming the characters in order to fit their ships?