Monster Hunter Tri (or Monster Hunter 3 depending upon region and edition) is the third instalment in Capcom's Monster Hunter series.
Originally Tri was announced for release on the Playstation 3, but high production costs resulted in Capcom turning to Nintendo's Wii as a cheaper alternative, and Tri was eventually released between August 2009 and April 2010 worldwide as a Wii exclusive.
As with previous Monster Hunter releases Tri is an Action Fantasy RPG in which the player takes control of a heroic hunter who must progress through the game via hunting and fighting a number of progressively larger and more fearsome monsters.
This third instalment in the series adds a few new features not seen in previous Monster Hunter games, including swimming, underwater areas and monsters, as well as the Switchaxe- a new duel weapon type. Armour can also now be upgraded and improved rather then just replaced with the next best set. Lastly is the ability to 'Free-Hunt' in the games starting environment without a time limit or a penalty for being knocked out. As you progress and slay larger monsters the free-hunt environment becomes more dangerous, as previously slain large monsters will appear 'in the wild'.
Monster Hunter Tri does have a two player coop option, but consists only of a 'battle mode' in which up to two players can use pre-made sets of equipment to fight a selection of the game's big monsters, many of which must be unlocked from the one player mode before they can be challenged. Tri did support online multiplayer for up to four players upon its release, but unfortunately this service has since been shut down leaving the online part of the game game unplayable.
Monster Hunter Tri has been expanded by Monster Hunter Tri G released for the WiiU and Nintendo 3DS. This upgraded version features new monsters, areas, equipment, weapons and items, as well as some variations on existing elements such as monsters and items encountered in day/night being different and monsters having new moves and sub-species.