| Achievement | How to unlock | Points
|
|---|
| 10:35 | Find a time capsule. | 50
|
| A New Day | Obtain ending D. | 40
|
| Extra! Extra! | Obtain all floppy disks. | 50
|
| Hardcore Parkour | Climb "The Lighthouse" without falling once. | 40
|
| It's Lava Planet! | Find a helmet from a very imaginative kid. | 50
|
| Kizuato | Find a war memory. | 50
|
| Look Mom! No Hands! | Finish the game without being swallowed by a Hand. | 40
|
| Mirror mirror | See both sides of "The Hospital". | 40
|
| Red, Green, Blue | Watch the first videotape. | 15
|
| Room to Dream | Spend seven minutes inside the TV Room. | 10
|
| Rorschach's Test | Solve "The Nursery" puzzle in a secret way. | 40
|
| Second Try | Obtain ending C. | 40
|
| Shocking! | Finish the game without getting electrocutated once. | 40
|
| String Theory | Fall into the void after missing the first rope jump. | 10
|
| Tactical Espionage Dancing | Get everything in "Let's Dance". | 40
|
| That's It? | Get everything in "Puzzle Islands". | 40
|
| The Belly | Finish "Hannah". | 40
|
| The Hospital | Finish Chapter 5. | 20
|
| The House | Finish Chapter 2. | 20
|
| The School | Finish Chapter 3. | 20
|
| The Workshop | Finish Chapter 4. | 20
|
| Towers of Junk | Finish Chapter 1. | 20
|
| Truth Will Out! | Obtain all videotapes. | 70
|
| U, U, D, D, L, R, L, R, B, A, S | Insert a famous code in the controller in "Puzzle Islands". | 40
|
| Wallflower | Get through "The School and GYM" without being spotted once by the Bullies. | 40
|
| Weighted Companion Box | Throw a box into the void. | 10
|
| What's a save button doing here? | Obtain one floppy disk. | 15
|
| Who's gonna clean it up? | Make a larva explode. | 10
|
| Wrong Key | Obtain ending B. | 40
|
| Wrong Number | Obtain ending A. | 40
|