Enverism: Since Enver Pasha is known for his German Admiration, it is an achievement that make an alliance with Germany.
Just Like Erdogan Did: My dude built universities in every city in Turkey and unemployed university graduates. Yes that's why..
People's Empire: Ottomanism is an ideology that aims to consider all peoples equal so that the Empire will not fall apart. The purpose of this achievement is to raise it up to communism.
Turconia: If Germany and its allies had won the First World War, the Ottoman Empire would have had the state of Florida in the USA. Treaty Map on the USA[md.teyit.org]
Kemalist Dictatorship: Turkey declared its republic in 1923 and was governed by a single party until 1950. yeah, that's why
Welcome Home Again: Making Egypt Puppet again. Not have special story
Turkish Industry: Classic an achievement
Turanic Ambition: The highest level of empire that any Turk can reach :)
Who's Sick Man of Europe now?: Russian Tsar Nicholas I called the Ottoman Empire the "Sick Man of Europe". This time, the Sick Man of Europe must be Russia.
Suleiman's Will: Although the Ottoman Empire wanted to conquer Vienna twice, it never could. I put this in the hard category since Austria is the OP in the game. Maybe you can own Vienna.
Truly Defender of Islam: You can be the Defender of Islam in the game, and most small Muslim countries can be your subject states. Try to become the only Muslim country by annexing them all.
Evil Sevres be like: The Treaty of Sevres is a heavy World War I treaty prepared for the Ottoman Empire. For the Turks, it's a treaty that accepts humiliation. The aim of this achievement is to capture the capitals of the countries that signed Sevres.

That's all for now. If you have good Achievement suggestions, I plan to add them in the future.

Achievements[imgur.com]