For The Lost Mythologies players, this guide is an 100% achievement guide, which will help you to get the achievement of the game.
Get the old game files
Open this link[drive.google.com] and then click download
Another page will open, then click download anyways.
Open game folder
In your steam library, right click the game > Manage > Browse local files
Or Win + R and paste “C:\Program Files (x86)\Steam\steamapps\common\The Lost Mythologies”
Replace current files with old ones
You may want to backup your current files as the old game is only in Chinese.
Open the game
Just run the game, directly from the folder file or from steam.
There you go!
Now the achievement should pop up, as easy c;