1. AC e+ - It improves upon the original in several ways
2. AC:GC/N64 - Between the GCN and N64 version, I've put so much of my life into them, it has no multiplayer, but that never bothered me
3. AC:NL - So many new features, it just never kept me reeled in as long as AC:GC
4. AC:CF - SOOOOO...