Here is the full list of all 23 Twin Hawk achievements.
First death of many achieved
Play a hundred games
Accumulate a thousand deaths
Complete the first stage in the US or EU versions.
Complete the second stage in the US or EU versions.
Complete the third stage in the US or EU versions.
Complete the game in the US or EU versions.
Complete the first stage in the Japan version
Complete the second stage in the Japan version
Complete the third stage in the Japan version
Complete the game in the Japan version
Complete the first stage in the US or EU versions without assistance.
Complete the second stage in the US or EU versions without assistance.
Complete the third stage in the US or EU versions without assistance.
Complete the game in the US or EU versions without assistance.
Complete the first stage in the Japan version without assistance.
Complete the second stage in the Japan version without assistance.
Complete the third stage in the Japan version without assistance.
Complete the game in the Japan version without assistance.
Complete the game using a single credit in the US or EU version
Complete the game using a single credit in the Japan version
Complete the game using a single credit in the US or EU version without assistance.
Complete the game using a single credit in the Japan version without assistance.