| Former Countries by Territory Map | 0 | - | 4.96 | 103,302 |
| Empires by Maps | 0 | - | 4.98 | 121,206 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,393 |
| Name that Object #1 | 0 | - | 3.57 | 96,554 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,870 |
| Play-Doh People from History | 0 | - | 4.99 | 95,192 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,845 |
| All Country Flags of the World | 0 | - | 5.00 | 3,689,437 |
| Years in History by Picture | 0 | - | 4.44 | 35,655 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,176 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,694 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,098 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,956 |
| Old Movies by Picture | 0 | - | 4.51 | 25,171 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,186 |
| Name that Object #2 | 0 | - | 3.64 | 15,479 |
| Name that Object #3 | 0 | - | 3.93 | 14,434 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,742 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,802 |
| Flags with Crescents | 0 | - | 4.98 | 170,586 |
| Country Flag Trivia | 0 | - | 4.81 | 57,560 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,348 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,972 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,008 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,606 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,619 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,191 |
| Random Logos Quiz | 0 | - | 4.33 | 208,960 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,415 |
| National Football Team Logos | 0 | - | 4.85 | 181,094 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,541 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,168 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,129 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,714 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,909 |
| Fruits by Picture | 0 | - | 4.19 | 808,338 |
| Geography by Picture - B | 0 | - | 4.42 | 55,699 |
| Geography by Picture - H | 0 | - | 4.50 | 58,303 |
| Geography by Picture - N | 0 | - | 4.45 | 42,279 |
| Geography by Picture - R | 0 | - | 4.56 | 41,089 |
| Geography by Picture - T | 0 | - | 4.54 | 57,926 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,796 |
| Flags to Languages | 0 | - | 4.95 | 174,079 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,575 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,284 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,671 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,166 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,535 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,391 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,858 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,220 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,490 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,583 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,137 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,858 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,776 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,800 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,441 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,782 |
| Name that Bug | 0 | - | 4.12 | 45,601 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,442 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,103 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,819 |
| Elements by Picture | 0 | - | 4.27 | 70,139 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,406 |
| Islands by Picture | 0 | - | 4.28 | 107,396 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,375 |
| Geography by Picture - A | 0 | - | 4.39 | 60,346 |
| Geography by Picture - D | 0 | - | 4.15 | 45,725 |
| Geography by Picture - F | 0 | - | 4.31 | 51,097 |
| Geography by Picture - G | 0 | - | 4.39 | 48,026 |
| Geography by Picture - J | 0 | - | 4.16 | 38,532 |
| Geography by Picture - K | 0 | - | 4.29 | 33,191 |
| Geography by Picture - C | 0 | - | 4.31 | 57,155 |
| Geography by Picture - L | 0 | - | 4.37 | 59,067 |
| Geography by Picture - M | 0 | - | 4.14 | 40,525 |
| Geography by Picture - P | 0 | - | 4.24 | 42,506 |
| Geography by Picture - S | 0 | - | 4.38 | 47,118 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,539 |
| Movie Logos | 0 | - | 4.33 | 239,464 |
| History by Picture - A | 0 | - | 4.26 | 45,993 |
| History by Picture - B | 0 | - | 4.40 | 49,174 |
| History by Picture - C | 0 | - | 4.36 | 54,705 |
| History by Picture - F | 0 | - | 4.35 | 38,057 |
| History by Picture - G | 0 | - | 4.40 | 42,300 |
| History by Picture - D | 0 | - | 4.29 | 44,499 |
| History by Picture - E | 0 | - | 4.25 | 44,099 |
| History by Picture - H | 0 | - | 4.37 | 36,949 |
| History by Picture - K | 0 | - | 4.35 | 33,500 |
| History by Picture - M | 0 | - | 4.17 | 36,275 |
| History by Picture - N | 0 | - | 4.40 | 41,411 |
| History by Picture - O | 0 | - | 4.39 | 36,445 |
| History by Picture - T | 0 | - | 4.20 | 33,432 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,445 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,705 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,843 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,375 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,124 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,663 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,129 |
| International Footballers by Picture | 0 | - | 4.51 | 56,038 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,325 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,146 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,022 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,308 |
| Flag Maths | 0 | - | 4.61 | 57,803 |
| Satellite Images #1 | 0 | - | 4.47 | 129,532 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,446 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,026 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,054 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,066 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,250 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,272 |
| Soccer Team Logos | 0 | - | 4.26 | 376,156 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,980 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,791 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,495 |
| Foods by Picture | 0 | - | 3.81 | 226,369 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,551 |
| Christmas by Picture | 0 | - | 4.26 | 28,207 |
| Hats by Picture | 0 | - | 4.21 | 17,997 |
| Weapons by Picture | 0 | - | 4.13 | 21,123 |
| Cars by Picture | 0 | - | 3.89 | 41,665 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,335 |
| Plants by Picture | 0 | - | 4.24 | 14,495 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,304 |
| Women in History by Picture | 0 | - | 4.25 | 25,978 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,821 |
| Geography by Picture - E | 0 | - | 3.55 | 47,445 |
| Landforms by Picture | 0 | - | 4.31 | 20,717 |
| Geography by Picture - I | 0 | - | 4.00 | 39,486 |
| Geography by Picture - O | 0 | - | 4.01 | 28,193 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,002 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,580 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,316 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,770 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,514 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,033 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,216 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,056 |
| History by Picture - I | 0 | - | 4.24 | 26,355 |
| History by Picture - J | 0 | - | 4.18 | 26,852 |
| History by Picture - L | 0 | - | 4.18 | 30,906 |
| History by Picture - P | 0 | - | 4.08 | 25,392 |
| History by Picture - Q | 0 | - | 4.03 | 22,182 |
| History by Picture - R | 0 | - | 4.13 | 26,959 |
| History by Picture - S | 0 | - | 4.14 | 27,890 |
| History by Picture - U | 0 | - | 4.25 | 25,240 |
| History by Picture - V | 0 | - | 4.31 | 25,221 |
| History by Picture - W | 0 | - | 4.01 | 21,740 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,579 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,640 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,403 |
| Flowers by Picture | 0 | - | 4.46 | 105,769 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,875 |
| Authors by Picture | 0 | - | 4.48 | 25,589 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,514 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,002 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,125 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,282 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,103 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,696 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,674 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,335 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,224 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,874 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,397 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,438 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,616 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,563 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,290 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,934 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,615 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,658 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,860 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,269 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,053 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,636 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,710 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,495 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,976 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,309 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,312 |
| Emoji Flags | 0 | - | 4.35 | 44,192 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,079 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,338 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,479 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,715 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,021 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,873 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,156 |
| Airline Logos | 0 | - | 4.45 | 141,127 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,431,207 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,984 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,514 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,201 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,990 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,353 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,893 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,570 |
