It has been subbed by [Chibiki], links in the usual places (nyaa.eu and tokyotosho.info).
Season 1:
360p subs: http://www.nyaa.se/?page=view&tid=430073
720p subs: http://www.nyaa.se/?page=search&term=[t4w]+Puchimas (incomplete)
Season 2:
360p subs (1-35): http://www.nyaa.se/?page=view&tid=552571
720p subs: http://www.nyaa.se/?page=view&tid=710728
Season 1 OVAs:
World 2-1: http://www.nyaa.se/?page=view&tid=434923
World 2-2: http://mfi.re/?9k5979rpmojv3jr
World 2-3: http://mfi.re/?3u3s3n861b93zgy
World 2-4: http://mfi.re/?7tb37831gaa66b3
Official recaps and VA talk segments:
Puchim@s! preview with Azumin and Harami
http://www.youtube.com/watch?v=1K0Iub2ypYA
Week 1
http://www.mediafire.com/?hq3275ubu9c486i
Week 2
http://www.mediafire.com/?3hazzk65aijtiep
Week 3
http://www.mediafire.com/?0gw87ekkfqtn064
Week 4
http://www.mediafire.com/?cdkgt8jd8r45hs4
Week 5
http://www.mediafire.com/?ym76iub8bh7p58g
Week 6
http://www.mediafire.com/?z11bcscpccqii8p
Week 7
http://www.mediafire.com/?2hj7c4amfbjd4d9
Week 8
http://www.mediafire.com/?6cd1t9fc5f4o73u
Week 9
http://www.mediafire.com/?b67da80eobtzw03
Week 10
http://www.mediafire.com/?phvm18gb3x49ytp
Week 11
http://www.mediafire.com/?gfq2y5eec9lm4y6
Week 12
http://www.mediafire.com/?62qp6b5zs5n137u
Week 13
Compiled episodes (no subtitles)
http://www.mediafire.com/?myz3ac4o16nb4
Episode 0-3 (Introduction and Chapter 1)
http://www.mediafire.com/download.php?p49k2iyl85awz33
Episodes 1-3 (Chapter 1)
http://www.mediafire.com/download.php?wvde0o3b6dn0ot3
Episodes 4-6 (Chapter 2)
http://www.mediafire.com/download.php?2bcc9sx50rdpdde
Episodes 7-9 (Chapter 3)
http://www.mediafire.com/download.php?pebnrhdn3se37a7
Episodes 10-12 (Chapter 4)
http://www.mediafire.com/download.php?bmjcsw188jdub14
Episodes 13-15 (Chapter 5)
http://www.mediafire.com/download.php?2tmjjp9zl2s23bt
Episodes 16-18 (Chapter 6)
http://www.mediafire.com/download.php?kwvgo5hr4hort94
Episodes 19-21 (Chapter 7)
http://www.mediafire.com/?iknfg1xu663t1zk
Episodes 22-23, 54-26 (Ritsuko's episodes - upscaled and hardsubbed)
http://www.mediafire.com/?76m9v7vnmqcdt15
RAWs, HD encodes, recaps, VA talks and compiled episodes
http://www.mediafire.com/PuchiAnimu
Puchimasu BD Volume 1 RAW:
http://www.nyaa.eu/?page=view&tid=449873
Puchimasu BD Volume 2 RAW:
http://www.nyaa.eu/?page=view&tid=450663
Puchimasu BD Volume 3 RAW:
http://www.nyaa.eu/?page=view&tid=451305
Puchimasu live-action bonus DVDs:
http://www.nyaa.eu/?page=view&tid=451554
Puchimasu BD raws (episodes, OVAs, OP, EDs) encoded:
http://www.nyaa.eu/?page=view&tid=453572
Puchimasu manga volume 6 bonus OVA RAW:
http://www.nyaa.se/?page=view&tid=537903
Puchimasu World 2-3 OVA speedsubs:
Subtitles : http://pastebin.com/0jUpawav (save as .ass)