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Room 78 Prove You Are Not a Dum Dum Roblox Answer

Lim How Wei
December 29, 2025

Prove You Are Not a Dum-Dum challenges you to solve puzzles in more than 120 rooms.

Each room contains unique puzzles with no time limit and increasing difficulty.

You can collect items like rats while navigating the escape-room-style gameplay.

Recent updates fixed issues like disappearing hammers and improved room fairness.

In this quick and easy guide, you’ll learn the answer to room 78 in Prove You Are Not a Dum-Dum in Roblox.

Room 78 Prove You Are Not a Dum Dum Roblox Answer

Here’s how to solve room 78 in Prove You Are Not a Dum Dum:

  • Select these squares in this order (from the left to right):
    • 2nd
    • 3rd
    • 5th
    • 8th
    • 4th
    • 9th
    • 8th
    • 7th
    • 2nd
    • 9th

Explanation:

  • You must make all of the squares light up

Further reading

Room 77 Prove You Are Not a Dum Dum Roblox Answer

Room 76 Prove You Are Not a Dum Dum Roblox Answer

Room 73 Prove You Are Not a Dum Dum Roblox Answer

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Lim How Wei

Lim How Wei is the founder of followchain.org, with 9+ years of experience in Social Media Marketing and 5+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others (source: link profile). One of his articles about the gig economy was quoted by Joe Rogan, who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim uploads personal finance videos on his YouTube channel, Lim Finance, to guide others on their financial journey. He also creates gaming guides, walkthroughs, solutions, and tips for the games he plays, helping players with their progression.