Here is the full list of all 2230 Oik Memory 2 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Start game!
Pass the any timed level
Go to the settings menu
Pass the level 9!
Pass the level 8!
Open level 9
Open all levels
Pass the level 7!
Open level 8
Pass the level 6!
Open level 7
Pass the level 5!
Open level 6
Pass the level 4!
Open level 5
Pass the level 3!
Open level 4
Pass the level 2!
Open level 3
Pass the level 1!
Open level 2
Pass the level 0!
Open level 1
Pass the level 然!
Open level 0
Pass the level 惘!
Open level 然
Pass the level 已!
Open level 惘
Pass the level 时!
Open level 已
Pass the level 当!
Open level 时
Pass the level 是!
Open level 当
Pass the level 只!
Open level 是
Pass the level 忆!
Open level 只
Pass the level 追!
Open level 忆
Pass the level 成!
Open level 追
Pass the level 待!
Open level 成
Pass the level 可!
Open level 待
Pass the level 情!