Pumpkin Pasties (PPs) It was discovered that the amount of PPs needed to get all cards varies on each playthrough. The maximum I've found is 410, and the minimmum is 375-390. There are around 480 PPs before the final exams, which means we have to rule out around 70-100.

Carpe Retractum Challenge: 3 PPs after imps. 3 PPs on 2nd Secret (Right after 3th Shield) 6 PPs on 4th Secret (Right before 8th Shield) 7 PPs on the room with 4 imps. Depulso the left knight 4 times. (2nd Depulso = 2 PPs. 4th Depulso = 5 PPs) 4 PPs in chest on 5th Secret (Right before 9th Shield) TOTAL: 23

Going to Care of Magical Creatures: 5 PPs on secret to the left of the entrance (Triple Depulso to knight + Spongify) 4 PPs for casting Depulso on the bottom left pumpkin on Hagrid's pumpkin crops twice (2 PPs for each Depulso) TOTAL: 32

Going to do the Buckbeak minigame: 6 PPs on the secret where you Spongify to the top of the tower. (Alohomora both closets, 3 PPs each) TOTAL: 38

Going to Draconifors/Lapifors: 4 PPs after fighting Peeves. TOTAL: 42

Draconifors/Lapifors Challenge: 1 PP right before the first rabbit dig spot. (First Lapifors) 1 PP right before the second rabbit dig spot. (Second lapifors) 2 PPs behind the huge flower pots at both sides (Third Lapifors) 1 PP behind the well (Third lapifors) 2 PPs right before the third rabbit dig spot (Third Lapifors) (Do the Well Skip, but before digging go get them) 1 PP on the platform from where you light the fire (From now on, we will call them "Dragon Platforms) (First Draconifors) 4 PPs for casting Depulso to two pumpkins to the left and right (First Draconifors Room) (2 PPs for each pumpkin) 2 PPs next to the Dragon Fireball (Second Draconifors) 1 PP on the Dragon Platform (Second Draconifors) 5 PPs for casting Depulso to four smaller pumpkins on 2nd Secret (3 Depulsos = 3 PPs. 1 Depulso = 2 PPs) 4 PPs for casting Depulso to two pumpkins on the fourth Lapifors, third Draconifors room. (2 PPs for each Depulso) 1 PP on a narrow path between the wall and a L-shaped huge flower pot (Fourth Lapifors) 3 PPs on 3rd Secret (Fourth Lapifors) (See below for the layout of the 3rd Secret)

3rd Secret: There are 9 grass stashes. 1 indicates beans. 2 indicates a PP. 3 indicates a CC. X indicates entrance.

                                     3 1 2
                                     2   1
                                     1   2
                                     1   1
                                       X

1 PP on the way right before the entrance to the huge room (Third Draconifors) 3 PPs on the Dragon Platforms (Third Draconifors) (1 PP on each Dragon Platform) 2 PPs for jumping on the first bundimum. 3 PPs for jumping on the three bundimums on the 8th Shield room. 6 PPs behind the pots on 8th Shield room (Fifth Lapifors) 1 PP right before the fifth rabbit dig spot (Fifth Lapifors) 2 PPs between the right and left pot and the wall on the imp room. 4 PPs from 6th Secret (The Roulette one) (For the fastest Roulette strat, see below)

6th Secret: There are three colours, yellow, blue and red. You want to hit them in the following order: (A faster strat may be possible)

Red, Yellow, Blue, Red, Yellow, Red, Blue, Red, Blue, Red.

6 PPs from bundimuns in the final room (The labyrinth) 2 PPs in 8th Secret (Hidden Lapifors) (See below for the layout of the 8th Secret)

In the 8th Secret, there are 8 grass stashes and 1 earth mound. 1 indicates beans. 2 indicates a PP. 3 indicates a CC. 4 indicates Earth Mound (Contains beans) X indicates the entrance.

             2 1 1        
            1  4 4  
            3  4 4
            1  2 1
             X

2 PPs on the top of the labryrinth (Fourth Draconifors) 1 PP on the Dragon Platform (Fourth Draconifors) TOTAL: 103

Bean Bonus Room: For the Bean Bonus Room, follow this path to make sure you get everything: 18 PPs from the knights around the Bean Bonus Room (2 PPs per knight) 6 PPs for casting Depulso to the switch right in the middle of the room. 6 PPs for activating the beans/PPs/CCs falling from the ceiling. TOTAL: 133

Anti-Dememtors Classes: 3 PPs for casting Depulso to a skull (In the left room after the 3 Expecto Patronums) 3 PPs for casting Depulso to a skull (Before coming down the stairs, on the left) TOTAL: 139

Library: 5 PPs in the chest to the left of the double lock door. TOTAL: 144

Glacius Challenge: 1 PP on the ramp right after the 2nd Shield (Second Slide) 2 PPs on the outer part of a left turn (Second Slide) 3 PPs on the outer part of a left turn (Second Slide) 3 PPs on the right part of the last straight (Second Slide) 6 PPs for casting Depulso on two knights (The ones which make the 5th Shield appear) (3 PPs for each Depulso) 3 PPs right after the first intersection (Take the left path) (Fourth Slide) 5 PPs on the outer part of a right turn after the first intersection (Take the left path) (Fourth Slide) 3 PPs on the chest behind the first platform that lowers down (After killing the salamander) 8 PPs on the chest in 4th Secret. 10 PPs for casting Depulso on the right Slytherin banner (2nd room with the salamander) (5 PPs for each Depulso) 5 PPs in the chest right before the fifth slide. 10 PPs on the chest in 5th Secret 8 PPs for casting Depulso on the Slytherin banner twice right before the fifth slide (4 PPs for each Depulso) 5 PPs on the second ramp of the slide (Fifth Slide) 3 PPs right after the first intersection (Take the left path) (Fifth Slide) 1 PP after taking the ramp that leads to the 8th Shield (Take the right path at the first intersection) (Fifth Slide) (Very difficult or impossible PP to get) 2 PPs on the outer part of the turn right after the 8th Shield (Take the right path at the first intersection) (Fifth Slide) 6 PPs on a ramp (Stacked on top of each other) (Fifth Slide) 6 PPs a little before the 9th Shield (3 on each side of the slide) (Fifth Slide) TOTAL: 233

Bean Bonus Room: For the Bean Bonus Room, follow the same path as the one you followed for Hermione's Bean Bonus Room to make sure you don't miss anything (Video above) 18 PPs from the knights around the Bean Bonus Room (2 PPs per knight) 4 PPs for casting Depulso to the switch right in the middle of the room. 1 PP for activating the beans/PPs/CCs falling from the ceiling. TOTAL: 256

Whomping Willow: 2 PPs for casting a double Depulso to the second cauldron you find. 2 PPs in a chest right before the double lock door that leads to the salamanders. 1 PP in the way (Before the Draconifors room) 2 PPs for casting Depulso to a skull right before the slide. 3 PPs in the chest right after the slide. 1 PP in a narrow platform after the first Spongify. 1 PP in a little platform after the third Spongify. 2 PPs in the first cauldron you encounter after Harry and Hermione reunite. 4 PPs in a chest just before the final room. 5 PPs in a chest at the right side of the final room. TOTAL: 279

Rescue Buckbeak: 4 PPs near the Dragon Fireball (First Draconifors) 4 PPs for casting Depulso to a cauldron on the imps room. 4 PPs in a chest in the next room after the imps. 4 PPs will come of the box where the pixies came out of. (Right after Harry and Hermione reunite) 2 PPs just before the second rabbit hole (Turn around) (First Lapifors) 4 PPs from a chest in the room with the two Depulso switches. 5 PPs from the nearest cauldron once you get to the roof where they keep Buckbeak. TOTAL: 306

Back at Hogwarts:

Mopsus' Portrait (Dungeons): 4 PPs for casting Alohomora to the 2nd chest you encounter twice (2 PPs for each Alohomora) 14 PPs for going around the level again after finishing it (Bouncing on the Spongify Tiles) (3 PPs for 1st Spongify, 4 PPs for 2nd Spongify, 4 PPs for 3rd Spongify, 3 PPs for 4th Spongify) TOTAL: 324

Glover Hipworth's Portrait (Dungeons): 4 PPs for casting Alohomora to the left chest at the beggining. 9 PPs on the way. TOTAL: 337

Tilly Toke's Portrait (First Floor): 3 PPs on the way after opening the only chest in this level. TOTAL: 340

Second Floor: 3 PPs in the chest on the secret of this floor. 3 PPs in the chest at the end of the path that appears after casting Lumos to the gargoyle next to the entrance to the second floor. TOTAL: 346

Hesper Starkley's Portrait (Second Floor): 14 PPs in the two chests after the Depulso switch. (4 PPs in the left chest, 10 PPs in the right chest) TOTAL: 360

Bertie Bott's Portrait (Fourth Floor): 15 PPs in the right chest. 15 PPs in the left chest. 2 PPs for using the Spongify Tile. TOTAL: 392

Fifth Floor: 2 PPs in the chest on the secret of this floor. TOTAL: 394

Derwent Shimpling's Portrait (Fifth Floor): 18 PPs for casting Depulso to the left knight twice (6 PPs the first Depulso, 12 PPs the second Depulso) TOTAL: 412

Bridget Wenlock's Portrait (Sixth Floor): 10 PPs for casting Depulso to the first knight you encounter. 5 PPs for casting Depulso to the second knight you encounter. 5 PPs for casting Depulso to the fourth knight you encounter. (It's near the ceiling) 10 PPs for casting Depulso to one of the three knights on the room before the final one. (Look below for further details)

In the room before the final one, there are three knights, and all three are near the ceiling:[1 indicates knight that doesn't contain PPs (All knights contain CCs), 2 indicates knight that does contain PPs, X indicates the entrance, Y indicates the exit]

               1          
            Y     1
               2
               X

10 PPs for defeating the flying books that appear after casting Alohomora to the closet in the final room. TOTAL: 452

Leopoldina Smethwyck's Portrait (Seventh Floor): 10 PPs for opening the first triple-locked chest (After hitting the Depulso switch) 10 PPs for opening the second triple-locked chest (After defeating the flying books) GRAND TOTAL: 472