Here is the full list of all 11 Think To Die achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Kill 125 players.
Kill 50 players.
Pass all levels in ThinkToDie
Restart 150 levels or more...
Restart 75 levels...
Restart 25 levels...
Die for the first time.
Already failing at level 0.
Play the mini game one time or more...
You skipped at least one level by pressing F10 ...
Take a look at the Credits...