| Random Symbol to Element | 0 | - | 4.88 | 92,355 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,285 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,875 |
| International Scientific Units | 0 | - | 4.95 | 155,637 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,340 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,185 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,546 |
| What's in a Name? #1 | 0 | - | 4.27 | 40,926 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,246 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,466 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,764 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,901 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,754 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,224,358 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,849 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,311 |
| Name a Valid Element | 0 | - | 4.64 | 69,657 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,393 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,352 |
| Elements by Symbol | 0 | - | 4.92 | 195,834 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,813 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,573 |
| Noble Gases | 0 | - | 4.89 | 77,574 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,149 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,155 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,028 |
| Name the Virus | 0 | - | 4.86 | 76,381 |
| Historical Middle Names | 0 | - | 4.16 | 35,458 |
| People with Food Names | 0 | - | 4.10 | 60,600 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,303 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,734 |
| Random Nicknames #1 | 0 | - | 4.12 | 34,748 |
| Birth Names | 0 | - | 4.30 | 61,580 |
| Actresses by Last Name #2 | 0 | - | 3.90 | 52,623 |
| Birthstones by Month | 0 | - | 4.41 | 80,517 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,001 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,341 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,714 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 176,463 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,760 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,630 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,953 |
| Famous Scientists | 0 | - | 4.57 | 42,497 |
| Citrus Fruits | 0 | - | 3.63 | 41,972 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,661 |
| Elemental Words | 0 | - | 4.96 | 52,047 |
| Metals of Antiquity | 0 | - | 4.94 | 92,998 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,305 |
| Astronomy Decoder | 0 | - | 4.50 | 37,879 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,867 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,498 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,683 |
| Also Known As #1 | 0 | - | 4.17 | 30,826 |
| Also Known As #3 | 0 | - | 3.92 | 35,179 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 90,797 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,161 |
| Astronomy Quiz | 0 | - | 4.90 | 81,882 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,489 |
| First Names as Last Names Quiz #1 | 0 | - | 3.99 | 58,331 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,297 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,260 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,487 |
| Popular Royal Names | 0 | - | 4.27 | 124,571 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,609 |
| Most Popular J Names | 0 | - | 3.55 | 188,962 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 180,511 |
| First Names of Painters | 0 | - | 4.43 | 59,650 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,134 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,803 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,615 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,487 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,457 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,603 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,122 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,429 |
| Scientific Names | 0 | - | 4.32 | 78,218 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,125 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,926 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,572 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,248 |
| Body Part Cliches | 0 | - | 4.43 | 123,131 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,045 |
| Bones of the Human Body | 0 | - | 4.52 | 40,506 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,352 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,322 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,629 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,052 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,657 |
| Movies with Names in the Title #1 | 0 | - | 4.27 | 138,221 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 64,378 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,383 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,856 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,245 |
| Countries with Four Letters | 0 | - | 4.99 | 419,181 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,209 |
| Random Country to Capital | 0 | - | 4.98 | 912,946 |
| First Name Songs | 0 | - | 4.17 | 30,813 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,755 |
| Also Known As #2 | 0 | - | 4.00 | 28,570 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,972 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,442 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,087 |
| Islands by Country #1 | 0 | - | 4.87 | 174,601 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,019 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,358 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,397 |
| Countries by Emojis | 0 | - | 4.99 | 237,036 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,544 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,666 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,229 |
| Country Chain | 0 | - | 4.96 | 215,957 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,241 |
| Capital Cities Chain | 0 | - | 4.84 | 82,038 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,130 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,546 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,179 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,410 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,871 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,235 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,186 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,726 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,796 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,316 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,162 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,814 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,054 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,547 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,330 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,075 |
| Word Chain - Science | 0 | - | 4.59 | 54,452 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,446 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,374 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,952 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,702 |
| Environmental Issues | 0 | - | 4.54 | 26,745 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,950 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,664 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,296 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,296 |
| WWII First Names | 0 | - | 4.44 | 41,599 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,640 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,672 |
| The Eleven Colors | 0 | - | 4.73 | 233,481 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,758 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,039 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,605 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,543 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,598 |
| The Only Country ... | 0 | - | 4.91 | 80,092 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,445 |
| Random Countries by Borders | 0 | - | 4.99 | 81,776 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,537 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,484 |
| Fruits by Picture | 0 | - | 4.20 | 805,112 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,414 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,943 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,670 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,952 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,152 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,642 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,986 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,178 |
| Groups of Two - Science | 0 | - | 4.26 | 48,166 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,470 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,716 |
| Science Decoder | 0 | - | 4.52 | 28,666 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,184 |
| Elements by Picture | 0 | - | 4.28 | 69,624 |
| Medical Acronyms | 0 | - | 4.43 | 96,369 |
| Medical Vocabulary | 0 | - | 4.54 | 58,714 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 10,944 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,765 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,026 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,419 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 67,421 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,171 |
| Santa's Reindeer | 0 | - | 4.47 | 191,874 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,128 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,324 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,305 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,878 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,192 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 43,799 |
| Cocktail Shopping List | 0 | - | 4.43 | 44,409 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,502 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,092 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,304 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,660 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,467 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,361 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,424 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,553 |
| Christmas Decoder | 0 | - | 4.42 | 49,389 |
| Cities Chain #2 | 0 | - | 4.42 | 56,192 |
| Cities Chain #1 | 0 | - | 4.61 | 66,379 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,419 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,929 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,276 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,756 |
