| Former Countries by Territory Map | 0 | - | 4.96 | 101,952 |
| Empires by Maps | 0 | - | 4.98 | 119,035 |
| Elements by Picture | 0 | - | 4.28 | 69,673 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,209 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,121 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,076 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,378 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,183 |
| Play-Doh People from History | 0 | - | 4.99 | 94,142 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,187 |
| All Country Flags of the World | 0 | - | 5.00 | 3,620,086 |
| Metals of Antiquity | 0 | - | 4.94 | 93,069 |
| Years in History by Picture | 0 | - | 4.44 | 35,233 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,421 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,614 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,946 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,780 |
| Name that Object #1 | 0 | - | 3.56 | 96,347 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,030 |
| Flags with Crescents | 0 | - | 4.98 | 168,082 |
| Country Flag Trivia | 0 | - | 4.81 | 56,206 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,761 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,725 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,291 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,692 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,597 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,257 |
| National Football Team Logos | 0 | - | 4.85 | 179,261 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,578 |
| Old Movies by Picture | 0 | - | 4.51 | 24,909 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,779 |
| Random Logos Quiz | 0 | - | 4.31 | 207,441 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,215 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,816 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,704 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,391 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,606 |
| Fruits by Picture | 0 | - | 4.20 | 805,465 |
| Geography by Picture - B | 0 | - | 4.42 | 55,472 |
| Geography by Picture - H | 0 | - | 4.50 | 58,092 |
| Geography by Picture - N | 0 | - | 4.45 | 42,086 |
| Geography by Picture - R | 0 | - | 4.56 | 40,917 |
| Geography by Picture - T | 0 | - | 4.54 | 57,723 |
| Flags to Languages | 0 | - | 4.95 | 172,841 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,837 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,183 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,357 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,798 |
| Countries with Glaciers | 0 | - | 4.97 | 104,786 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,500 |
| Name that Object #2 | 0 | - | 3.64 | 15,354 |
| Name that Object #3 | 0 | - | 3.93 | 14,326 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,011 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,182 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,619 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,426 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,341 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,985 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,400 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,875 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,347 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,157 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,648 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,981 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,240 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,375 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,918 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,675 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,543 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,743 |
| Name that Bug | 0 | - | 4.12 | 45,488 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,229 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,721 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,488 |
| Islands by Picture | 0 | - | 4.29 | 106,211 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,130 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,187 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,376 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,020 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,332 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,840 |
| International Footballers by Picture | 0 | - | 4.50 | 55,012 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,332 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,999 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,488 |
| Geography by Picture - A | 0 | - | 4.39 | 60,104 |
| Geography by Picture - D | 0 | - | 4.15 | 45,538 |
| Geography by Picture - F | 0 | - | 4.31 | 50,873 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,363 |
| Geography by Picture - K | 0 | - | 4.29 | 33,043 |
| Geography by Picture - C | 0 | - | 4.31 | 56,961 |
| Geography by Picture - L | 0 | - | 4.37 | 58,820 |
| Geography by Picture - M | 0 | - | 4.14 | 40,370 |
| Geography by Picture - P | 0 | - | 4.24 | 42,332 |
| Geography by Picture - S | 0 | - | 4.38 | 46,949 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,004 |
| Flag Maths | 0 | - | 4.74 | 57,696 |
| Satellite Images #1 | 0 | - | 4.46 | 129,124 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,089 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,736 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,731 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,864 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,559 |
| Soccer Team Logos | 0 | - | 4.26 | 371,986 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,489 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,157 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,071 |
| Movie Logos | 0 | - | 4.33 | 236,646 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,090 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,604 |
| History by Picture - A | 0 | - | 4.25 | 45,556 |
| History by Picture - B | 0 | - | 4.40 | 48,690 |
| History by Picture - C | 0 | - | 4.36 | 54,200 |
| History by Picture - F | 0 | - | 4.35 | 37,689 |
| History by Picture - G | 0 | - | 4.40 | 41,935 |
| History by Picture - D | 0 | - | 4.29 | 44,104 |
| History by Picture - E | 0 | - | 4.27 | 43,724 |
| History by Picture - H | 0 | - | 4.37 | 36,626 |
| History by Picture - K | 0 | - | 4.35 | 33,186 |
| History by Picture - M | 0 | - | 4.17 | 35,985 |
| History by Picture - N | 0 | - | 4.40 | 41,070 |
| History by Picture - O | 0 | - | 4.39 | 36,126 |
| History by Picture - T | 0 | - | 4.20 | 33,166 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,975 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,162 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,360 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,018 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,439 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,059 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,802 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,408,388 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,649 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,890 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,257 |
| Foods by Picture | 0 | - | 3.81 | 225,672 |
| Flowers by Picture | 0 | - | 4.46 | 105,100 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,124 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,594 |
| Christmas by Picture | 0 | - | 4.25 | 28,119 |
| Hats by Picture | 0 | - | 4.21 | 17,918 |
| Weapons by Picture | 0 | - | 4.13 | 20,943 |
| Cars by Picture | 0 | - | 3.89 | 41,202 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,249 |
| Authors by Picture | 0 | - | 4.48 | 25,444 |
| Plants by Picture | 0 | - | 4.24 | 14,374 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,710 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,751 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,330 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,554 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,572 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,237 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,084 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,875 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,985 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,300 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,997 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,626 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,142 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,217 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,996 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,389 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,128 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,073 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,805 |
| Women in History by Picture | 0 | - | 4.25 | 25,798 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,990 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,695 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,382 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,432 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,759 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,630 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,631 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,304 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,529 |
| Geography by Picture - E | 0 | - | 3.55 | 47,304 |
| Landforms by Picture | 0 | - | 4.31 | 20,603 |
| Geography by Picture - I | 0 | - | 4.00 | 39,343 |
| Emoji Flags | 0 | - | 4.35 | 43,887 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,579 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,403 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,291 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,937 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,285 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,708 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,464 |
| Airline Logos | 0 | - | 4.45 | 140,173 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,371 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,206 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,001 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,469 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,954 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,497 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,218 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,342 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,061 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,569 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,328 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,837 |
