I Built 4 SECRET Rooms In ONE COLOR!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Mario Joos
YouTube Strategist · As a Retention Strategist, I help creators and their teams to improve their understanding about audience interest, engagement, and satisfaction. Additionally, my team and I help these creators by providing actionable insights to improve their content.
Marked verified in the historical source
3 historical reviewsHistorical work attribution
Portfolio
785 work samples. Each credit shows where it came from.
Can You Draw The PERFECT Circle?
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Spent 24 Hours With The World’s SHORTEST Woman!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built 5 SECRET Rooms You’d Never Find!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built a SECRET McDonald’s In My Room!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
This Shape Is IMPOSSIBLE To Draw...
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built A Secret Room under My Bed!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Can You Draw A PERFECTLY Dotted Circle?
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I MADE IT ON TV!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Survived The World's STRICTEST School!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Can a Giant Glue Trap Catch a Human?
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Eating 100 Years of School Lunches!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built 7 SECRET Rooms You'd Never Find!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
EXTREME CAMOUFLAGE HIDE AND SEEK!!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Bought 250 DISCONTINUED Products From Our Childhood!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Bought 250 BANNED Amazon Products!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built a SECRET 7-11 in My Room!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Bought 1,000 Cursed Amazon Products!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Which Country has the Best School Lunch?
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built a SECRET Room You'd Never Find!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Tested 100 Al Products That Shouldn't Exist!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
Eating 100 Years of McDonalds!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Found 100 Puppies From A Dumpster!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
I Built 10 SECRET Rooms You'll Never Believe Exist!
Historical credit: what this means
A retained source record links this person and role to the video. It has not been independently re-verified.
About these numbers
- Videos reported in the source portfolio
- 785The work samples shown above.
- Views reported for the portfolio
- 19.4BThe source’s total for this person’s listed videos, from an unknown date. It counts public views of those videos, not views this person generated, and is not a live figure.
- Channels associated
- 12Channels linked to this profile in the source record. An association is not a confirmed working relationship.
Reviews
All reviewsR
Rob Landes
Historical reviewMario provided DEEP insight and new ways to look at my content I hadn't considered. The man is a master at his craft!
Retained source review
F
Futcrunch
Historical reviewBest Consultant on the space, always worry to provide value, friendly and always go the extra mile to give you the most tailored and best advice for your case
Retained source review
Skills & specialties
Content specialties
Languages (historical self-report)
About
Retention Director working with some of the largest creators on YouTube.
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