As a nomadic civilization, the Tatars have access to the Steppe Lancer. However, the Tatars' siege puts more emphasis on their Trebuchets, as they have access to an Imperial Age technology that increases the range for their Trebuchets. This is also reflected by their strengths and weaknesses, as their main army composition is similar to the Mongols, which consists of Cavalry Archers, Light cavalry, and siege, with below-average foot soldiers and Monks (in fact, their infantry is the worst in the game, being the only civilization to lack Chain Mail Armor for their infantry and their conversion resistance is the worst, being the only civilization to lack both Faith and Heresy). The Tatars are sometimes compared to the Mongols, both historically and in gameplay, as both Tatars and Mongols were descended from the Shiwei people. Karluks, Uyghurs, Crimean Tatars, Göktürks, etc).
In-game, the Tatars are used as an umbrella civilization for various central Asian and eastern Turkic groups that do not fall in the Turks umbrella (i.e. They are based on various central Asian Turkic empires such as the Timurid Empire and the Golden Horde. The Tatars are a Central Asian civilization introduced in Age of Empires II: Definitive Edition.
The Tatars' civilization music theme in the Definitive Edition
Don arrow-resistant silk armor and dominate the hills and plains with mobile horsemen and cavalry archers, or join the Mongol hordes and swell the ranks of the Keshiks, honored bodyguards of the Great Khan himself! Dare you follow in the footsteps of Tamerlane and mercilessly conquer an empire from Transoxiana to India, Anatolia, and Russia? For centuries, fierce nomads roamed the Central Asian steppe, periodically launching distant migrations or campaigns to conquer or extort their sedentary neighbors.