Dota 2 is a popular multiplayer online battle arena (MOBA) game developed and published by Valve Corporation. It was released in 2013, and has since become a popular game in the competitive gaming scene.

In Dota 2, two teams of five players compete against each other to destroy the enemy team's "Ancient," a large structure located in their base. The game features a large roster of unique heroes, each with their own set of abilities and skills. Players must work together and use their abilities to support their teammates and defeat their opponents.

One of the standout features of Dota 2 is its hero progression system, which allows players to earn experience and level up their hero over the course of a match. This allows players to unlock new abilities and skills, and tailor their hero to their playstyle.

In addition to its competitive gameplay, Dota 2 is also known for its strong communication and teamwork elements. The game includes a voice chat feature, and encourages players to work together and support their teammates.

Since its release, Dota 2 has received several updates and content drops, including new heroes, items, and game modes. It has also become a popular eSport, with various tournaments and competitions being held for the game.

Overall, Dota 2 is a thrilling and competitive MOBA that has cemented its place in the competitive gaming scene. Its unique hero progression system and strong focus on teamwork make it stand out from other games in the genre, and its updates and content drops ensure that there is always something new for players to experience.