Here is the full list of all 365 Oik 2 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Open level A
Level A
Level A!
Complete level A!
Open level B
Level B
Level B!
Complete level B!
Open level C
Level C
Level C!
Complete level C!
Open level D
Level D
Level D!
Complete level D!
Open level E
Level E
Level E!
Complete level E!
Open level F
Level F
level F!
Complete level F!
Open level G
Level G
Level G!
Complete level G!
Open level H
Level H
Level H!
Complete level H!
Open level I
Level I
Level I!
Complete level I!
Open level J
Level J
Level J!
Complete level J!
Open level K
Level K
Level K!
Complete level K!
Open level L
Level L
Level L!
Complete level L!
Open level M
Level M
Level M!
Complete level M!
Open level N
Level N
Level N!
Complete level N!
Open level O
Level O
Level O!
Complete level O!
Open level P
Level P
Level P!
Complete level P!
Open level Q
Level Q
Level Q!
Complete level Q!
Open level R
Level R
Level R!
Complete level R!
Open level S
Level S
Level S!
Complete level S!
Open level T
Level T
Level T!
Complete level T!
Open level U
Level U
Level U!
Complete level U!
Open level V
Level V
Level V!
Complete level V!
Open level W
Level W
Level W!
Complete level W!
Open level X
Level X
Level X!
Complete level X!
Open level Y
Level Y
Level Y!
Complete level Y!
Open level Z
Level Z
Level Z!
Complete level Z!
Open level 1
Level 1
Level 1!
Complete level 1!
Open level 2
Level 2
Level 2!
Complete level 2!
Open level 3
Level 3
Level 3!
Complete level 3!
Open level 4
Level 4
Level 4!
Complete level 4!
Open level 5
Level 5
Level 5!
Complete level 5!
Open level 6
Level 6
Level 6!
Complete level 6!
Open level 7
Level 7
Level 7!
Complete level 7!
Open level 8
Level 8
Level 8!
Complete level 8!
Open level 9
Level 9
Level 9!
Complete level 9!
Open level 0
Level 0
Level 0!
Complete level 0!
Open level !
Level !
Level !!
Complete level !!
Open level ?
Level ?
Level ?!
Complete level ?!
Open level .
Level .
Level .!
Complete level .!
Open level :
Level :
Level :!
Complete level :!
Open level *
Level *
Level *!
Complete level *!
Open level -
Level -
Level -!
Complete level -!
Open level +
Level +
Level +!
Complete level +!
Open level =
Level =
Level =!
Complete level =!
Open level <
Level <
Level
Complete level
Open level >
Level >
Level >!
Complete level >!
Open level $
Level $
Complete level $!
Level $!
Level 江
Level 江!
Level 山
Level 山!
Level 代
Level 代!
Level 有
Level 有!
Level 才
Level 才!
Level 人
Level 人!
Level 出
Level 出!
Open level 江
Complete level 江!
Open level 山
Complete level 山!
Open level 代
Complete level 代!
Open level 有
Complete level 有!
Open level 才
Complete level 才!
Open level 人
Complete level 人!
Open level 出
Complete level 出!
Open level 各
Level 各
Level 各!
Complete level 各!
Open level 领
Level 领
Level 领!
Complete level 领!
Open level 风
Level 风
Level 风!
Complete level 风!
Open level 骚
Level 骚
Level 骚!
Complete level 骚!
Open level 数
Level 数
Level 数!
Complete level 数!
Open level 百
Level 百
Level 百!
Complete level 百!
Open level 年
Level 年
Level 年!
Complete level 年!
Level 10