SO I hear a lot of bad press about it. who's played it?
looking into buying it to complete the collection.

AC3 or AC-3 may refer to:

Videogames

Ace Combat 3, part of the Ace Combat series of video games
Armored Core 3, part of the Armored Core series of video games
Assassin's Creed III, part of the Assassin's Creed series of video games

Signal processing

AC3Filter, a DirectShow filter for real time audio decoding and processing
Dolby AC-3, a Dolby Digital audio codec

Transport

Comte AC-3, a 1920s Swiss bomber/transport aircraft.
Southern Pacific class AC-3, a class of steam locomotive

Other

(35414) 1998 AC3, a minor planet
AC-3 algorithm (Arc Consistency Algorithm 3), one of a series of algorithms used for the solution of constraint satisfaction problems
AC-3, an IEC Utilization category


Be specific.

when i think of AC in earth

i think anthony ciolli

Assassin's Creed 3 came out last week, and is kind of popular, so I assume that is what he is referring to.