Threw Famitsu numbers in the second post. The code in that post is buggered though, so they're not formatting properly, and I'm too tired to fix it since it's legible so you get the idea.
Here's some stuff from GAF that I always find interesting:
http://www.neogaf.com/forum/showpost.php?p=88872360&postcount=415
[PSP] Little Battlers eXperience - 166.187 / NEW
[PSP] Little Battlers eXperience Boost - 60.727 / NEW
[3DS] Little Battlers eXperience Explosive Boost - 54.354 / NEW
[PSV] Little Battlers eXperience W - 16.842 / NEW
[PSP] Little Battlers eXperience W - 77.457 / NEW
[3DS] Little Battlers eXperience W: Ultra Custom - 27.242 / NEW
[3DS] Little Battlers eXperience: Wars - 50.217 / NEW
http://www.neogaf.com/forum/showpost.php?p=88875160&postcount=421
[GBA] Pokémon Ruby / Sapphire (Pokémon Co.) {2002.11.21} - 336.847 / 2.374.796
[NGB] Pokemon Gold / Silver (Nintendo) {1999.11.21} - 301.003 / 2.618.551
[NDS] Pokémon Diamond / Pearl (Pokémon Co.) {2006.09.06} - 231.627 / 2.542.958
[NDS] Pokémon Black / White (Pokémon Co.) {2010.09.18} - 231.161 / 4.013.237
[3DS] Pokémon X / Y (Pokémon Co.) {2013.10.12} - 137.720 / 3.090.779
[NDS] Pokémon Black 2 / White 2 (Pokémon Co.) {2012.06.23} - 113.901 / 2.331.128
For example, the PS3 and PS Vita versions of Jikkyou Powerful Pro Baseball 2013 have already outsold their previous entry. The cheaper price probably helped a lot, and maybe the release date (October instead of July)? I don't know, I'm not into Baseball.
Second week for 2013 edition vs lifetime sales for 2012 edition:
[PS3] Jikkyou Powerful Pro Baseball 2013 (Konami) {2013.10.24} - 60.157 / 144.260
[PS3] Jikkyou Powerful Pro Baseball 2012 (Konami) {2012.07.19} - 134.431
[PSP] Jikkyou Powerful Pro Baseball 2013 (Konami) {2013.10.24} - 32.139 / 70.121
[PSP] Jikkyou Powerful Pro Baseball 2012 (Konami) {2012.07.19} - 82.791
[PSV] Jikkyou Powerful Pro Baseball 2013 (Konami) {2013.10.24} - 13.339 / 35.735
[PSV] Jikkyou Powerful Pro Baseball 2012 (Konami) {2012.07.19} - 32.765