TI3 may refer to:
*
The International 2013
The International (TI) is an annual esports world championship for the five-on-five video game ''Dota 2''. Produced by the game's developer Valve, the International is the final event of the Dota Pro Circuit (DPC) and consists of 20 teams: 12 b ...
, a
Dota 2
''Dota 2'' is a 2013 multiplayer online battle arena (MOBA) video game by Valve Corporation, Valve. The game is a sequel to ''Defense of the Ancients'' (''DotA''), a community-created Mod (video gaming), mod for Blizzard Entertainment's ''War ...
tournament
* ''
Twilight Imperium
''Twilight Imperium'' is a strategy board game produced by Fantasy Flight Games and Asmodee in the genre of science fiction and space opera. It was designed by Christian T. Petersen and was first released in 1997. It is now in its fourth edition ...
: Third Edition'', a 2005 board game
*
Ti3, a component of Titanium aluminide
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