The appeal of COD beyond its gameplay is the feeling that you are always working towards something (weapon,scope,camo, etc.)…
Halo Reach had the armor piece unlock though the leveling up was more time consuming and the armor didnt really differentiate too much…
Now in Halo 4 unlocks and leveling up happens much faster, additionally you have all the challenges neatly listed (how many of each species have u killed, how many kills with weapons, etc etc.)…Does this extra unlocking and constant leveling give you something to works toward and keep you playing a little longer than usual? or have the unlocks not affected your play habits at all??
I myself did a spoiler free wait on the game so I don’t know what unlocks next so to me it adds a bit of a goal to work towards (just like the daily challenges). It was a good addition.