| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,934 |
| Element... or Pokémon? | 0 | - | 4.98 | 132,625 |
| Pokémon by Picture | 0 | - | 4.38 | 74,774 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,462 |
| Empires by Maps | 0 | - | 4.98 | 121,455 |
| All Country Flags of the World | 0 | - | 5.00 | 3,699,150 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,084 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,695,656 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,016,274 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,030 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,443 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,806 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,880 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,064 |
| Play-Doh People from History | 0 | - | 4.99 | 95,327 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,422 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,838 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,917 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,935 |
| Flags with Crescents | 0 | - | 4.98 | 170,906 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,234 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,888 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,536 |
| Country Flag Trivia | 0 | - | 4.81 | 57,755 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,577 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,145 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,249 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,725 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,757 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,878 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,316 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,376 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,068,063 |
| Brand Logos Quiz #6 | 0 | - | 4.30 | 787,159 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,062 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,229,256 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 533,088 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 611,882 |
| National Football Team Logos | 0 | - | 4.85 | 181,352 |
| Random Brand Logos | 0 | - | 4.45 | 404,159 |
| British Monopoly Board | 0 | - | 4.52 | 41,235 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,576 |
| The Bible by Picture | 0 | - | 4.23 | 20,200 |
| Simpsons Characters by Picture | 0 | - | 4.42 | 22,067 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,742 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,472 |
| Flags to Languages | 0 | - | 4.95 | 174,258 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,323 |
| Clothing Brand Logos | 0 | - | 4.24 | 225,143 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 175,940 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,896 |
| Animals in the Bible | 0 | - | 4.83 | 36,930 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,492 |
| Battle to Country | 0 | - | 4.91 | 53,756 |
| Monarchies of Europe | 0 | - | 4.90 | 98,636 |
| Monarchies of Asia | 0 | - | 4.97 | 71,381 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,376 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,303 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,305 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,846 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,447 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,144 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,606 |
| Orthodox Countries | 0 | - | 4.92 | 132,579 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,156 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,332 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 342,106 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,180 |
| Fruits by Picture | 0 | - | 4.19 | 808,652 |
| Years in History by Picture | 0 | - | 4.44 | 35,693 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,050 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,467 |
| Where Are These Doors? | 0 | - | 4.45 | 30,152 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,268 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,686 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,886 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,993 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,899 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,739 |
| Geography by Picture - B | 0 | - | 4.42 | 55,734 |
| Geography by Picture - H | 0 | - | 4.50 | 58,336 |
| Geography by Picture - N | 0 | - | 4.45 | 42,303 |
| Geography by Picture - R | 0 | - | 4.56 | 41,111 |
| Geography by Picture - T | 0 | - | 4.54 | 57,957 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,652 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,416 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,194 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,700 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,988 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,959 |
| Phineas and Ferb Theme Song Lyrics | 0 | - | 4.39 | 92,387 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,246 |
| Play Scrabble by Guessing Countries | 0 | - | 4.97 | 132,915 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,566 |
| Countries in World War I | 0 | - | 4.88 | 228,816 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,788 |
| Star Wars Quotes | 0 | - | 4.86 | 185,639 |
| Name the English Monarchs | 0 | - | 4.91 | 505,354 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,600 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,550 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,624 |
| Top 100 Greatest NBA Players | 0 | - | 4.41 | 695,871 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,855 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,120 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,891 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,668 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,308 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,241 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,050 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,533 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,611 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,197 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,232 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,046 |
| Hindu Countries | 0 | - | 4.87 | 50,458 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 535,799 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,779 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 91,151 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,447 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,739 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,723 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 65,014 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,883 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,120 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,127 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,417 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,790 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,760 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,933 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,441 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,450 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,667 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,722 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,558 |
| Flowers by Picture | 0 | - | 4.46 | 105,808 |
| Name that Bug | 0 | - | 4.12 | 45,609 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,467 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,909 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,179 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,886 |
| Elements by Picture | 0 | - | 4.27 | 70,208 |
| Old Movies by Picture | 0 | - | 4.51 | 25,205 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,247 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,468 |
| Authors by Picture | 0 | - | 4.48 | 25,605 |
| Islands by Picture | 0 | - | 4.28 | 107,543 |
| Name that Object #1 | 0 | - | 3.57 | 96,573 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,670 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,416 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,062 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,217 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,455 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,391 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,200 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,829 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,750 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,735 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,396 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,251 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,941 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,902 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,413 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,445 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,243 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,690 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,670 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,605 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,321 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,020 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,681 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,728 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,954 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,155 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,312 |
| Famous French People by Picture | 0 | - | 3.70 | 27,981 |
| International Footballers by Picture | 0 | - | 4.51 | 56,191 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,599 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,292 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,787 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,297 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,838 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,085 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,710 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,147 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,423 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,410 |
| Geography by Picture - A | 0 | - | 4.39 | 60,384 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,130 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,559 |
| Geography by Picture - K | 0 | - | 4.29 | 33,216 |
| Geography by Picture - C | 0 | - | 4.31 | 57,187 |
| Geography by Picture - L | 0 | - | 4.37 | 59,092 |
| Geography by Picture - M | 0 | - | 4.14 | 40,548 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,144 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,610 |
| Emoji Flags | 0 | - | 4.35 | 44,237 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
