Game descriptions:
Monster Hunter Freedom is
the PSP version of Monster Hunter G with extra features, such as new
colored bosses and a Felyne kitchen. Monster Hunter Freedom is the
Westernized name, while Monster Hunter Portable is used in Japan. Both
games are essentially the same.
Description from monsterhunter.wikia.com
Monster Hunter Freedom Unite
is the western release of Monster Hunter Portable 2nd G. It was
released across America on June 22, 2009, Australia on the 25th of June,
and Europe on the 26th of June. With over 500 hours of gameplay and
previously unreleased monsters, weapons and missions, Monster Hunter
Freedom Unite is the biggest game of the series so far. Via Ad-Hoc
functionality, players can experience the social gaming phenomenon
that’s gripping Japan and adventure with up to four friends for a
thrilling and savaging multiplayer hunting party. From devising the
strategy to executing the attack, team play with your friends is going
to be key to hunting down the ferocious beasts.
Description from monsterhunter.wikia.com
Monster Hunter Portable 3rd is a Role-Playing game, developed and published by Capcom, which was released in Japan in 2010.
Description from Gamefaqs.com
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