The following quizzes were completed as
Author Quiz Challenges.
Go to Author Central
1.
Challenge by genetheking. Completed by Hesting_horts. This is an introductory quiz on machine learning basics and a part of the Author challenge. Test your knowledge of Machine Learning, how computers learn from data, find patterns, and make predictions. Average, 10 Qns, Hesting_horts,
Nov 12 25
Average
Hesting_horts
Nov 12 25
87 plays
2.
National Historical Landmarks Challenge by kyleisalive. Completed by ponycargirl. Welcome to Missouri! Have you ever visited? We love company! It is quite a beautiful state, and there are many interesting places for tourists to enjoy. Let me take you on a short tour! Average, 10 Qns, ponycargirl,
Nov 10 25
Average
ponycargirl
Nov 10 25
120 plays
3.
Challenge by trident. Completed by stephgm67. Come and join Fred Flea as he tries to join the traveling flea circus. As he reviews the different acts, he learns a bit more about his own insect type as well! Average, 10 Qns, stephgm67,
Nov 08 25
Average
stephgm67
Nov 08 25
117 plays
4.
Paris Olympics Challenge by Lottie1001. Completed by suomy. Place the men's gold medal winners at the Paris 2024 Summer Olympics according to the distance competed, with the shortest distance at the top. This is a selection of track events. Average, 10 Qns, suomy,
Nov 07 25
Average
suomy
Nov 07 25
72 plays
5.
Challenge by scarygirl11. Completed by Kalibre. 'Bring Your Daughter...to the Slaughter' is a number-one single by the heavy metal band Iron Maiden. This quiz challenges you to test your metal memory by identifying which vocalist sang on each of these 12 tracks. Good luck and have fun!
Average, 12 Qns, Kalibre,
Nov 05 25
Average
Kalibre
Nov 05 25
78 plays
6.
Challenge by kyleisalive. Completed by suomy. Most 'nuts' are seeds, however only a few seeds called 'nuts' are true nuts, botanically speaking. This selection of 'nuts' has been grouped into three botanical categories. Your task is to allocate them correctly. Average, 12 Qns, suomy,
Nov 05 25
Average
suomy
Nov 05 25
105 plays
7.
Salts in Everyday Life Challenge by kyleisalive. Completed by Hesting_horts. Salt isn't just the stuff you sprinkle on your fries - it's a universe of chemical compounds, each with its own quirks, powers, and purpose. From fireworks to first aid, this quiz dives into the salty secrets hiding in plain sight. Average, 10 Qns, Hesting_horts,
Nov 03 25
Average
Hesting_horts
Nov 03 25
168 plays
8.
The Deadly Games of 'Squid Game' Challenge by nautilator. Completed by Kankurette. 'Squid Game' features twisted versions of Korean children's games, and the punishment for losing is death. Some games rely on chance, while others rely on teamwork. I've listed the games played in 'Squid Game' along with some wrong answers. Easier, 10 Qns, Kankurette,
Nov 02 25
Easier
Kankurette
Nov 02 25
126 plays
9.
Challenge by spanishliz. Completed by Lottie1001. The phrases below have words which are synonyms for either stop, look or listen hidden inside them. For example 'Joe lends his tools to Fred' contains 'end', which is a synonym of stop. Can you pick the right answers for the rest of the clues? Easier, 12 Qns, Lottie1001,
Oct 27 25
Easier
Lottie1001
Oct 27 25
366 plays
10.
Songs from musicals Challenge by LeoDaVinci. Completed by suomy. Various songs from musicals refer to body parts or items of jewellery or clothing. Work out the song and hence the musical. The REM song hinted at in this Author Challenge quiz title is not one of them. Average, 10 Qns, suomy,
Oct 26 25
Average
suomy
Oct 26 25
87 plays
11.
Identify the Snake Challenge by Saleo. Completed by Kalibre. This quiz is about snakes. See how many of these you can correctly identify from the photos of them. Good luck! Tough, 10 Qns, Kalibre,
Oct 22 25
Tough
Kalibre
Oct 22 25
222 plays
12.
"Do They Know It's Christmas?" by Band Aid Challenge by spanishliz. Completed by Lord_Digby. Here we have a song I'm sure most people will know or at least have heard of. What you need to do is select, from the choices, ten singers that sang on the original song "Do They Know It's Christmas?". Good luck and have fun.
Digby Easier, 10 Qns, Lord_Digby,
Oct 18 25
Easier
Lord_Digby
Oct 18 25
375 plays
13.
"Perhaps" is a CD and Album by The Associates Challenge by Trivia_Fan54. Completed by Lord_Digby. "Perhaps" is an album and a CD by The Associates. This version is from the band's 2020 Deluxe CD issue. All you need to do is select twelve tracks that are on the CD and dismiss the rest. Good luck and have fun.
Digby Average, 12 Qns, Lord_Digby,
Oct 16 25
Average
Lord_Digby
Oct 16 25
117 plays
14.
Famous Stars of the NBA Challenge by LeoDaVinci. Completed by Kalibre. Are you on the ball? This quiz focuses on some of the famous stars of the NBA. See how much you know about them by answering these questions. Good luck! Easier, 10 Qns, Kalibre,
Oct 16 25
Easier
Kalibre
Oct 16 25
258 plays
15.
Challenge by Kalibre. Completed by Lord_Digby. Here we have a classic sitcom, "Mind Your Language". What were the nationalities represented by the students? If you've never seen the program, it may be difficult to guess the answers; on the other hand, if you did, you should know them quite easily! Easier, 10 Qns, Lord_Digby,
Oct 14 25
Easier
Lord_Digby
Oct 14 25
309 plays
16.
Common
Classification Quiz
10 Qns
Causes of Disease Challenge by LeoDaVinci. Completed by Saleo. Can you classify these widely-known infectious diseases based on the common pathogenic group? Average, 10 Qns, Saleo,
Oct 13 25
Average
Saleo
Oct 13 25
375 plays
17.
From the Album "Battle Born", by the Killers Challenge by Kalibre. Completed by Lord_Digby. There are twelve songs listed on the album, excluding "The Way It Was". Do you know the titles of the remaining eleven songs on the album?. All you have to do is select the remaining eleven songs that are on the album and dismiss the rest. Easier, 11 Qns, Lord_Digby,
Oct 13 25
Easier
Lord_Digby
Oct 13 25
159 plays
18.
Challenge by Saleo. Completed by reedy. The presidency is the top job in the United States, but before taking that 'command post,' some of them first filled the role of vice president. Can you select the fifteen men in this collection who filled both positions during their political careers? Very Easy, 15 Qns, reedy,
Oct 12 25
Very Easy
reedy
Oct 12 25
459 plays
19.
Challenge by dcpddc478. Completed by Ovaldas. This quiz invites you to explore Estonia's geography, history, and unique local culture. From ancient cities and scenic rivers to songs, islands, and traditions, each question reveals a new layer of this Baltic country's character. Average, 10 Qns, Ovaldas,
Nov 01 25
Average
Ovaldas
Nov 01 25
90 plays
20.
Netherlands International Football Players Challenge by LeoDaVinci. Completed by Lord_Digby. Here we have ten football players from the Netherlands who are regarded as some of the world's best players of their era. All you have to do is select the ten players from the Netherlands and dismiss the rest. Good luck and have fun.
Digby Very Easy, 10 Qns, Lord_Digby,
Oct 10 25
Very Easy
Lord_Digby
Oct 10 25
261 plays
21.
Challenge by KayceeKool. Completed by Lord_Digby. Here we have quite an old song. It was actually written in 1892, but I'm pretty sure you will know the song and could sing along with some of the words. Very Easy, 12 Qns, Lord_Digby,
Oct 08 25
Very Easy
Lord_Digby
Oct 08 25
213 plays
22.
Challenge by LeoDaVinci. Completed by LadyNym. You will feel like royalty when taking this quiz about princesses in a variety of cultural contexts. Don't forget your tiara! Easier, 10 Qns, LadyNym,
Oct 08 25
Easier
LadyNym
Oct 08 25
294 plays
23.
Challenge by spanishliz. Completed by Lord_Digby. Here we have ten solo artists or bands who have the word "light" within one of their singles' song titles. All you have to do is match the artist to their song. Good luck and have fun.
Lord_Digby accepted spanishliz's challenge.
Easier, 10 Qns, Lord_Digby,
Oct 05 25
Easier
Lord_Digby
Oct 05 25
210 plays
24.
When Bridges Collapsed Challenge by kyleisalive. Completed by Kalibre. This quiz focuses on bridges that reached their breaking point. Each one broke for various reasons. The location of those featured is the United States of America. Can you correctly identify the years in which each one collapsed? Good luck! Average, 10 Qns, Kalibre,
Sep 30 25
Average
Kalibre
Sep 30 25
144 plays
25.
Psychedelic Music in the 1960s Challenge by Trivia_Fan54. Completed by Lord_Digby. Psychedelic music in the 1960s was a common genre. Let's go back in time and explore the songs. It's far out, man, you dig it! Good luck and have fun.
Digby Average, 10 Qns, Lord_Digby,
Oct 25 25
Average
Lord_Digby
Oct 25 25
327 plays
26.
Asterisms and Their Stars Challenge by nautilator. Completed by reedy. There are formally 88 defined constellations, but over 13,500 asterisms in our night sky, as seen and defined by every different culture on the planet. Here are four prominent asterisms that are comprised of just three stars to be sorted into boxes. Easier, 12 Qns, reedy,
Sep 29 25
Easier
reedy
Sep 29 25
249 plays
27.
Challenge by LeoDaVinci. Completed by DavidV2025. This quiz is about snacks that are or at one time were limited edition. Average, 10 Qns, DavidV2025,
Sep 23 25
Average
DavidV2025
Sep 23 25
225 plays
28.
Bruno Mars Challenge by kyleisalive. Completed by Lord_Digby. Bruno has been a very successful solo artist as well as recording with other artists. Here we have ten songs from Bruno that all finished in the top ten on both the UK singles chart and the US Billboard Hot 100. Average, 10 Qns, Lord_Digby,
Sep 23 25
Average
Lord_Digby
Sep 23 25
141 plays
29.
Challenge by LeoDaVinci. Completed by Godwit. "Guardians in space" are members of the U.S. Space Force, but people see many objects in space as our guardians and protectors. See what you know and what you can learn about our solar system and space exploration.
Very Easy, 10 Qns, Godwit,
Sep 22 25
Very Easy
Godwit
Sep 22 25
315 plays
30.
Characters of "Super Mario Party" Challenge by kyleisalive. Completed by reedy. With the advent of the Nintendo Switch, a new entry into the "Mario Party" series was released, with the largest cast of playable characters yet! Can you pick out all twenty? Average, 20 Qns, reedy,
Sep 22 25
Average
reedy
Sep 22 25
234 plays
31.
Birthplaces of "Star Trek" Characters Challenge by LeoDaVinci. Completed by reedy. In the future as imagined in the "Star Trek" universe, the human characters come from many places, both on Earth and off. In this quiz, we focus only on those who were (will be?) born in the USA. Match the character to their future place of birth. Average, 10 Qns, reedy,
Sep 21 25
Average
reedy
Sep 21 25
186 plays
32.
Bart Cummings' Melbourne Cup Wins Challenge by kyleisalive. Completed by pollucci19. Between 1965 and 2008, Bart Cummings won 12 Melbourne Cups with 11 horses. No other trainer has come anywhere near his record of wins in the "race that stops a nation". For Bart, this truly was a Golden Age. Average, 11 Qns, pollucci19,
Sep 20 25
Average
pollucci19
Sep 20 25
147 plays
33.
and other white flowers Challenge by Terry. Completed by Lottie1001. The cover shows a picture of a white lotus, but what flowers do the other pictures show? Easier, 12 Qns, Lottie1001,
Sep 19 25
Easier
Lottie1001
Sep 19 25
318 plays
34.
Judges in the "Book of Judges" Challenge by kyleisalive. Completed by pollucci19. The Bible's "Book of Judges" describes twelve people (judges) who were given the roles as leaders, often having to deal with the great responsibility of delivering their people from oppression. "Judges" separates these leaders into major & minor players Easier, 12 Qns, pollucci19,
Sep 19 25
Easier
pollucci19
Sep 19 25
210 plays
35.
Challenge by kyleisalive. Completed by timydamonkey. Match the character to their character description - don't expect to find too many of the main character names here though! This is an exploration of some of the lesser known or remembered characters of the "Harry Potter" books... Very Easy, 10 Qns, timydamonkey,
Sep 15 25
Very Easy
timydamonkey
Sep 15 25
261 plays
36.
Challenge by Kalibre. Completed by pennie1478. Fifteen video games are given and you must choose on which console they were FIRST released. Tough, 15 Qns, pennie1478,
Sep 12 25
Tough
pennie1478
Sep 12 25
99 plays
37.
Challenge by Lpez. Completed by genetheking. Enter a bustling kitchen where Earth's greatest scientists from all across history have gathered to prepare their signature dish and learn about science along the way. Average, 10 Qns, genetheking,
Oct 30 25
Average
genetheking
Oct 30 25
219 plays
38.
Challenge by Rizeeve. Completed by reedy. In 1977 the Voyager probes were launched with the mission to sail past and observe the outer planets of our Solar System. Join me as I retrace the flightpath of Voyager 1, which was designed for only a five-year mission that it has far exceeded. Easier, 16 Qns, reedy,
Sep 10 25
Easier
reedy
Sep 10 25
225 plays
39.
Challenge by kyleisalive. Completed by Kalibre. Stephen Hawking, despite being severely disabled for most of his life, was one of the most brilliant theoretical physicists of our time. See how much you know about him. Average, 10 Qns, Kalibre,
Sep 09 25
Average
Kalibre
Sep 09 25
183 plays
40.
A Musical Cheat Sheet Challenge by LeoDaVinci. Completed by reedy. As musicians learn to play in different keys, it helps to have access to a visual 'circle of fifths,' which show the flats or sharps in each major key, along with its relative minor. This quiz tests your ability to name each key to fix this 'cheat sheet' Average, 15 Qns, reedy,
Sep 07 25
Average
reedy
Sep 07 25
177 plays
41.
Challenge by Billkozy. Completed by Lord_Digby. Here we have ten names of songs by the band Slade. Slade were known for the way they spelt some of the words in their titles. Can you spot Slade's songs? Good luck and have fun.
Digby
Easier, 10 Qns, Lord_Digby,
Sep 07 25
Easier
Lord_Digby
Sep 07 25
258 plays
42.
Fictional Settings Challenge by Godwit. Completed by reedy. Oftentimes, a play is set in a nondescript place (a room or unnamed locale), or in a fictionalized version of existing places. In these ten examples, however, the playwright has named their fictional setting. Can you match the author to their setting? Average, 10 Qns, reedy,
Aug 31 25
Average
reedy
Aug 31 25
228 plays
43.
2025 NHL Awards Challenge by LeoDaVinci. Completed by reedy. The 2025 NHL Awards celebrated a season of standout performances, honouring the league's top players, coaches, and rookies for their skill, leadership, and impact both on and off the ice. Were you paying attention? Average, 17 Qns, reedy,
Aug 23 25
Average
reedy
Aug 23 25
138 plays
44.
Challenge by kyleisalive. Completed by Kalibre. This quiz is about British game shows which were very popular in bygone years. I am giving you ten of these. Can you remember who hosted them? See if you can match them all correctly. Good luck. Easier, 10 Qns, Kalibre,
Aug 21 25
Easier
Kalibre
Aug 21 25
186 plays
45.
Challenge by Kalibre. Completed by stephgm67. Roanoke was the site of a proposed American colony in the 1580s. However, instead of being a successful start to the New World, it became a mystery that remains unsolved. Come learn more about this conundrum. Very Easy, 20 Qns, stephgm67,
Aug 21 25
Very Easy
stephgm67
Aug 21 25
225 plays
46.
Geographical Hoaxes Challenge by kyleisalive. Completed by Kalibre. I had to laugh when I came across these. Would you like a laugh, too? If so, take my quiz and find out about some pranks from around the world and see how they fooled the public. See how many of them you can match to their countries of origin. Good luck! Easier, 10 Qns, Kalibre,
Aug 19 25
Easier
Kalibre
Aug 19 25
330 plays
47.
The Hollywood Walk of Fame Challenge by Chavs. Completed by reedy. With over 2,800 stars on Hollywood's Walk of Fame, the famed spans fifteen blocks of Hollywood Boulevard and three blocks of Vine Street. But where did it all begin? See what you know of the original stars that were placed and who they honoured. Easier, 10 Qns, reedy,
Aug 19 25
Easier
reedy
Aug 19 25
189 plays
48.
Challenge by LeoDaVinci. Completed by pollucci19. This is a spangram/word search puzzle. A spangram is a word that will cross the grid from one end to the other and will provide the theme for the words you're searching for. Please read the instructions to find out how to play. Very Easy, 10 Qns, pollucci19,
Aug 16 25
Very Easy
pollucci19
Aug 16 25
450 plays
49.
As seen in novels by William Gibson Challenge by scarygirl11. Completed by strike3. This is a quiz about how getting hurt can cause some people to turn their pain into something more fun, as seen in cyberspace sci-fi novels by William Gibson. Average, 10 Qns, strike3,
Aug 09 25
Average
strike3
Aug 09 25
87 plays
50.
Challenge by LeoDaVinci. Completed by Stonecreek. There are dozens of seas on Earth, both named as such and sometimes called by other names. Can you pick out the correct choices from the list of options provided without clicking three wrong answers? Easier, 12 Qns, Stonecreek,
Nov 01 25
Easier
Stonecreek
Nov 01 25
516 plays
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