| Countries by Number of Books Published | 0 | - | 4.95 | 72,814 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,635 |
| Authors by Picture | 0 | - | 4.48 | 25,564 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,348 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,850 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,986 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,193 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 340,667 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,308 |
| The Sun Quiz | 0 | - | 4.93 | 34,806 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,243 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 437,153 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,163 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,763 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,677 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,684 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,351 |
| Category Elimination - Asian Geography #3 | 0 | - | 4.91 | 66,979 |
| Category Elimination - African Geography #2 | 0 | - | 4.92 | 56,766 |
| Fruits by Picture | 0 | - | 4.19 | 808,055 |
| Character to Author #1 | 0 | - | 4.52 | 43,514 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,640 |
| Books by Country Quiz | 0 | - | 4.30 | 32,264 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,445 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,990 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,789 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,696 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,371 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,625 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,116 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,796 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,431 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,650 |
| Character to Author #2 | 0 | - | 4.55 | 30,458 |
| Star Wars Quotes | 0 | - | 4.86 | 185,027 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,662 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,509 |
| Name a Country A-Z | 0 | - | 5.00 | 244,310 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,511 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,182 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,007 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,140 |
| Empires by Maps | 0 | - | 4.98 | 120,996 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,382 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,038 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,197 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,043 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,826 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,820 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,290 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,205 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,408 |
| Vegetables by Picture | 0 | - | 4.36 | 63,562 |
| Fictional Billionaires by Picture | 0 | - | 3.98 | 25,638 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,712 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,082 |
| Eliminate Countries #1 - The Americas | 0 | - | 4.70 | 36,835 |
| Character Catchphrases Quiz | 0 | - | 4.49 | 47,519 |
| Name the 7 Dwarfs | 0 | - | 4.54 | 364,441 |
| Companies by Country | 0 | - | 4.61 | 119,846 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,383 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,273 |
| Astronomy Decoder | 0 | - | 4.49 | 38,115 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,832 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,241 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 670,648 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,184 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,732 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,835 |
| Foods by Picture | 0 | - | 3.81 | 226,294 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,363 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,501 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,729 |
| Play-Doh People from History | 0 | - | 4.99 | 95,085 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,256 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,586 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,640 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,772 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,390 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,465 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,516 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,004 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,950 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,520 |
| Popular Royal Names | 0 | - | 4.27 | 125,091 |
| First Names of Painters | 0 | - | 4.43 | 59,922 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,310 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,863 |
| Category Elimination - Capital Cities #3 | 0 | - | 4.68 | 53,782 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,413 |
| Things that are Orange by Picture | 0 | - | 4.20 | 26,780 |
| Things that are Green by Picture | 0 | - | 4.15 | 30,037 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,678 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,708 |
| Flags with Crescents | 0 | - | 4.98 | 170,183 |
| Country Flag Trivia | 0 | - | 4.81 | 57,402 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,173 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,846 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,837 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,514 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,511 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,079 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,769 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,933 |
| National Football Team Logos | 0 | - | 4.85 | 180,889 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,436 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,219 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,773 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,512 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,051 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,020 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,496 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,021 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,854 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,099 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,124 |
| Fictional Characters by Country #1 | 0 | - | 4.31 | 59,627 |
| Famous Catholics | 0 | - | 4.26 | 33,138 |
| Disney Animated Characters | 0 | - | 4.88 | 601,991 |
| Movie Character to Actor #1 | 0 | - | 4.33 | 74,652 |
| Movie Character to Actor #2 | 0 | - | 4.28 | 59,041 |
| Movie Character to Actor #3 | 0 | - | 4.12 | 50,343 |
| Movie Character to Actor #4 | 0 | - | 4.34 | 36,170 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,927 |
| Colors by Letter | 0 | - | 4.25 | 162,710 |
| Sibling Actors | 0 | - | 4.12 | 47,585 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,143 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,646 |
| Countries with Four Letters | 0 | - | 4.99 | 423,474 |
| Random Symbol to Element | 0 | - | 4.88 | 93,277 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,121 |
| Random Country to Capital | 0 | - | 4.98 | 923,147 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,122 |
| Name a Valid World City | 0 | - | 4.84 | 71,502 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,127 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,978 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,476 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,656 |
| Countries with NO Military | 0 | - | 4.97 | 62,677 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 149,012 |
| NATO Countries | 0 | - | 4.98 | 281,678 |
| EU Countries Quiz | 0 | - | 4.99 | 275,710 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,313 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,821 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,715 |
| Fictional Characters by Picture - T | 0 | - | 4.13 | 84,886 |
| Fictional Characters by Picture - M | 0 | - | 4.18 | 90,705 |
| Fictional Characters by Picture - G | 0 | - | 4.24 | 87,142 |
| Fictional Characters by Picture - A | 0 | - | 4.20 | 91,458 |
| Fictional Characters by Picture - W | 0 | - | 4.22 | 77,522 |
| Fictional Characters by Picture - R | 0 | - | 4.01 | 72,306 |
| Fictional Characters by Picture - C | 0 | - | 4.23 | 81,744 |
| Fictional Characters by Picture - L | 0 | - | 4.30 | 82,436 |
| Fictional Characters by Picture - B | 0 | - | 4.13 | 74,599 |
| Fictional Characters by Picture - D | 0 | - | 4.23 | 75,746 |
| Fictional Characters by Picture - P | 0 | - | 4.12 | 64,820 |
| Fictional Characters by Picture - F | 0 | - | 4.37 | 66,696 |
| Fictional Characters by Picture - H | 0 | - | 4.10 | 69,742 |
| Fictional Characters by Picture - S | 0 | - | 4.24 | 67,730 |
| Fictional Characters by Picture - O | 0 | - | 4.27 | 52,765 |
| Fictional Characters by Picture - N | 0 | - | 4.11 | 49,631 |
| The Bible by Picture | 0 | - | 4.23 | 20,174 |
| Years in History by Picture | 0 | - | 4.44 | 35,622 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,109 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,416 |
| Flags to Languages | 0 | - | 4.95 | 173,944 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,793 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,719 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,435 |
| Name the Color, Not the Word (Stroop Test) | 0 | - | 4.92 | 137,138 |
| WWII First Names | 0 | - | 4.44 | 41,854 |
| Not Quite A Movie Title - Marvel Comics | 0 | - | 4.44 | 46,900 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,677 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,006 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,910 |
| Islands by Country #1 | 0 | - | 4.90 | 175,542 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,696 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,085 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,852 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,295 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,279 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,050 |
| Actors by Role #1 | 0 | - | 4.16 | 23,744 |
| Actors by Role #2 | 0 | - | 4.28 | 21,370 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,565 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,852 |
| Superhero Decoder | 0 | - | 4.36 | 54,829 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,120 |
| Marvel Superheroes | 0 | - | 4.38 | 298,111 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,785 |
| Avengers Team Members | 0 | - | 4.07 | 77,976 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,234 |
| X-Men Mutants | 0 | - | 4.06 | 47,452 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,225 |
| Car Model to Make | 0 | - | 4.18 | 196,699 |
| Famous Billionaires | 0 | - | 4.14 | 67,477 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,328 |
| Countries by Emojis | 0 | - | 4.99 | 240,520 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,123 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,438 |
