Hey guys and gals! Here is my all missable and all collectibles achievement guides in chronological order so you do not miss a thing!
Hope it helps!
Act 1
0:20: - Collectible - Pennant 1/6
0:40 - Collectible - Sketch Toy 2/6
1:00 - Achievement - Best Girl
1:30 - Achievement - As a Mouse Part 1
3:39 - Collectible - Horseshoe 3/6
4:05 - Collectible - Rabbits Foot 4/6
4:37 - Achievement - All Seeing
8:55 - Achievement - No Mercy
11:13 - Collectible - Wind Chimes 5/6
11:40 - Collectible - Beet Nick Toy 6/6
12:10 - Achievement - Did You Lick It?
Act 2
13:00 - Achievement - Feels Like Mine
14:53 - Achievement - NightLight
15:40 - Achievement - Personal Space
16:20 - Achievement - As A Mouse Part 2
16:52 - Achievement - Tally