Game is easy to perfect and it takes about 1,5hours to finish without any walkthrough by figuring out everything by yourself.
Literally all achievements missable and it is very likely you will miss 1-2 without checking for them beforehand, all doable in 1 playthrough tho.
Please follow my curator if you like to see achievement related informations (completion time, difficulty to get all achievements, DLC requirements) on store page of the games.
https://store.steampowered.com/curator/30168383-Average-Achievement-Hunter/
The curator group dont mark any game as recommended so it shows useful information about achievements on the store page of the games without influencing the main store page of steam with recommendations + all games sorted to lists based on expected completion times. No point not to follow!:-)
Written by Csontzuzo