| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,676 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,638 |
| Astronomy Decoder | 0 | - | 4.50 | 37,843 |
| Random Symbol to Element | 0 | - | 4.88 | 92,212 |
| Astronomy Quiz | 0 | - | 4.89 | 81,687 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,865 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,179 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,231 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,987 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,091 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,715 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,000 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,025 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,428 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,559 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,807 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,319 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,780 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,559 |
| Name the Constellations | 0 | - | 4.58 | 44,656 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,354 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,504 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,517 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,523 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,159 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,715 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,094 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,558 |
| International Scientific Units | 0 | - | 4.95 | 155,332 |
| First Names of Scientists | 0 | - | 4.50 | 56,456 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,220 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,299 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,825 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,191 |
| Name a Valid Element | 0 | - | 4.64 | 69,571 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,378 |
| Star Wars Quotes | 0 | - | 4.84 | 173,427 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,675 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,962 |
| Name a Country A-Z | 0 | - | 5.00 | 240,388 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,477 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,090 |
| Birthstones by Month | 0 | - | 4.41 | 80,480 |
| Elements by Symbol | 0 | - | 4.92 | 195,503 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,622 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,445 |
| Noble Gases | 0 | - | 4.89 | 77,445 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,046 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,904 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,867 |
| Name the Virus | 0 | - | 4.86 | 76,248 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,139 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,292 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,701 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,722 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,458 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,653 |
| Companies by Country | 0 | - | 4.56 | 118,706 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,989 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,615 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,942 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,981 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,329 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,323 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,149 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,804 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,803 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,863 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,020 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,952 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,803 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,475 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,208 |
| Citrus Fruits | 0 | - | 3.65 | 41,949 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,582 |
| Elemental Words | 0 | - | 4.96 | 51,986 |
| Metals of Antiquity | 0 | - | 4.94 | 92,902 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,386 |
| The Mars Quiz | 0 | - | 4.55 | 18,575 |
| The Saturn Quiz | 0 | - | 4.54 | 11,500 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,693 |
| Popular Royal Names | 0 | - | 4.27 | 124,476 |
| First Names of Painters | 0 | - | 4.43 | 59,597 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,291 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,422 |
| Character to Author #1 | 0 | - | 4.52 | 43,206 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,288 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,746 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,829 |
| Famous Scientists | 0 | - | 4.57 | 42,451 |
| Astronomy True or False | 0 | - | 4.38 | 36,264 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,555 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,291 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,008 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,615 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,880 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,145 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,097 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,220 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,273 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,844 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,191 |
| Books by Country Quiz | 0 | - | 4.30 | 32,176 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,823 |
| Colors by Letter | 0 | - | 4.25 | 162,030 |
| Sibling Actors | 0 | - | 4.12 | 47,443 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,393 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,192 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,750 |
| Countries with Four Letters | 0 | - | 4.99 | 418,497 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,889 |
| Random Country to Capital | 0 | - | 4.98 | 911,540 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,536 |
| Name a Valid World City | 0 | - | 4.83 | 70,128 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,859 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,828 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,180 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,907 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,271 |
| Countries with NO Military | 0 | - | 4.97 | 61,167 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,745 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,901 |
| NATO Countries | 0 | - | 4.98 | 275,706 |
| EU Countries Quiz | 0 | - | 4.99 | 269,895 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,028 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,197 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,495 |
| The Venus Quiz | 0 | - | 4.21 | 6,887 |
| Scientific Names | 0 | - | 4.32 | 78,162 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,039 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,904 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,288 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,194 |
| Body Part Cliches | 0 | - | 4.43 | 123,050 |
| Bones of the Human Body | 0 | - | 4.56 | 36,409 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,108 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,437 |
| WWII First Names | 0 | - | 4.44 | 41,559 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,919 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,805 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,774 |
| Islands by Country #1 | 0 | - | 4.87 | 174,475 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,913 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,275 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,329 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,073 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,788 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,493 |
| Character to Author #2 | 0 | - | 4.55 | 30,272 |
| Superhero Decoder | 0 | - | 4.36 | 54,325 |
| Batman Actors Quiz | 0 | - | 4.26 | 47,815 |
| Marvel Superheroes | 0 | - | 4.37 | 294,635 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 114,840 |
| Avengers Team Members | 0 | - | 4.05 | 77,048 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,293 |
| X-Men Mutants | 0 | - | 4.05 | 46,858 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,918 |
| Car Model to Make | 0 | - | 4.18 | 195,145 |
| Famous Billionaires | 0 | - | 4.14 | 67,251 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,266 |
| Countries by Emojis | 0 | - | 4.99 | 236,148 |
| MLS Soccer Teams | 0 | - | 4.23 | 83,975 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,309 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,427 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,217 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,588 |
| Cities that End in T by Clue | 0 | - | 4.70 | 16,994 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,274 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,300 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,103 |
| Country Chain | 0 | - | 4.96 | 215,715 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,786 |
| Capital Cities Chain | 0 | - | 4.84 | 81,912 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,120 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,989 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,211 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,794 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,456 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,376 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,557 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,781 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,384 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,473 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,008 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,256 |
| Coldest World Capitals | 0 | - | 4.95 | 133,038 |
| World Currency Quiz | 0 | - | 4.92 | 298,428 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,847 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,075 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,737 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,124 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,680 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,444 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,915 |
| Buddhist Countries | 0 | - | 4.96 | 142,945 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,096 |
