Copy and paste the hats you are missing into the achievement section.
All hats
"a_santaHat",
"a_hatFrog1",
"a_hatFrog2",
"a_hatFrog3",
"a_hatShadyBlack",
"a_hatShadyBlue",
"a_hatShadyPink",
"a_hatShadyGold",
"a_hatClown",
"a_hatPilot",
"a_hatMedieval",
"a_hatCheese",
"a_hatSunglasses",
"a_hatPot",
"a_hatMagic",
"a_hatSheriff",
"a_hatHeadset",
"a_hatMicrowave",
"a_hatKevin",
"a_hatCrown",
"a_hatTophat",
"a_hatTophatLong",
Don't forget to remove the comma after the last achievement name.
All other achievement names are in the comment section.
Chapters:
0:00 Hats preview
0:11 Save Editor
0:30 Introducing all achievements
2:13 The latest achievments
2:34 Words on possible syntax errors
3:11 Stats file in the editor
3:55 Hat showcase