Grandpa – 100% Achievement Guide (Full Walkthrough)

Notes and Tips

  • Progress will never get resetted, you can die as much as you want and you’ll always keep your items. 
  • Dying after picking up an item, will make you respawn with that item, so sometimes dying
    is faster than making your way back to spawn. 
  • Grandpa will always spawn at basement. 
  • Achievements unlock upon closing the game, they all should come naturally while finishing the game. 

Walkthrough

  • 1. Open the cabinet right next to the area where you spawned, green key will be inside. Grab it (E key).

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 2. Take the door to your right, go downstairs, then front door to find an elevator. Drop green key near it (Q key). 

Grandpa - 100% Achievement Guide (Full Walkthrough)
Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 3. Now comes the hardest part in the game. Try to sneak around into the other room in this area, and head downstairs to find the basement. 

Note: Be careful here, Grandpa will always spawn in basement (after each death).

  • 4. Grab the chainsaw. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 5. After that, go all the way up to the 2nd floor, going through the area where you spawned and using the left door this time. You’ll find a police officer body next to a door and a key, drop your chainsaw and grab that key. Use it with the door. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 6. Grab chainsaw again, then enter the now open room.
    Use it in the laser area (holding E key) until it explodes. Drop chainsaw as it has no use now. 

Grandpa - 100% Achievement Guide (Full Walkthrough)
Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 7. Go to elevator area and open the cabinet here to find red key.

Grandpa - 100% Achievement Guide (Full Walkthrough)
Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 8. Return to main room in first floor, open the door with red lock pad. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 9. Make your way through this area, until your reach a crossroad.
    Take right path. Left path leads to a death.
    At the very end, you’ll find a piano and a girl hanging, grab the crowbar. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 10. Go all the way back to the elevator area.
    Once here, use the crowbar to remove all planks. Drop crowbar and grab the before dropped green key. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 11. Take the elevator (doesn’t matter which button you press, you’ll always end in the same place). 
  • 12. Use green key with the drawer, drop it and grab yellow key. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 13. Return to main area, use key on the door with planks. 

Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 14. Lastly, make your way back to the area with the piano/crowbar, but instead of taking the stairs, open the cabinet next to stairs to find an Axe. 

Grandpa - 100% Achievement Guide (Full Walkthrough)
Grandpa - 100% Achievement Guide (Full Walkthrough)

  • 15. Now all you have to do is return to main room and use axe to remove planks from the door that had a yellow key pad. 

And that is, congratulations on finishing the game!

Volodymyr Azimoff
About Volodymyr Azimoff 13522 Articles
I love games and I live games. Video games are my passion, my hobby and my job. My experience with games started back in 1994 with the Metal Mutant game on ZX Spectrum computer. And since then, I’ve been playing on anything from consoles, to mobile devices. My first official job in the game industry started back in 2005, and I'm still doing what I love to do.

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