| Former Countries by Territory Map | 0 | - | 4.96 | 102,307 |
| Empires by Maps | 0 | - | 4.98 | 119,599 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,136 |
| Name that Object #1 | 0 | - | 3.57 | 96,427 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,610 |
| Play-Doh People from History | 0 | - | 4.99 | 94,393 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,324 |
| All Country Flags of the World | 0 | - | 5.00 | 3,635,714 |
| Years in History by Picture | 0 | - | 4.44 | 35,371 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,585 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,185 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,265 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,764 |
| Old Movies by Picture | 0 | - | 4.51 | 24,999 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,868 |
| Name that Object #2 | 0 | - | 3.64 | 15,401 |
| Name that Object #3 | 0 | - | 3.93 | 14,357 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,207 |
| Flags with Crescents | 0 | - | 4.98 | 168,631 |
| Country Flag Trivia | 0 | - | 4.81 | 56,543 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,128 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,029 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,696 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,919 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,814 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,467 |
| Random Logos Quiz | 0 | - | 4.31 | 207,829 |
| National Football Team Logos | 0 | - | 4.85 | 179,663 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,290 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,909 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,803 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,471 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,684 |
| Fruits by Picture | 0 | - | 4.19 | 806,139 |
| Geography by Picture - B | 0 | - | 4.42 | 55,514 |
| Geography by Picture - H | 0 | - | 4.50 | 58,137 |
| Geography by Picture - N | 0 | - | 4.45 | 42,128 |
| Geography by Picture - R | 0 | - | 4.56 | 40,955 |
| Geography by Picture - T | 0 | - | 4.54 | 57,764 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,350 |
| Flags to Languages | 0 | - | 4.95 | 173,137 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,393 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,044 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,461 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,938 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,385 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,212 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,690 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,036 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,302 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,424 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,965 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,719 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,602 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,265 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,694 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,125 |
| Name that Bug | 0 | - | 4.12 | 45,510 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,268 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,816 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,565 |
| Elements by Picture | 0 | - | 4.27 | 69,769 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,243 |
| Islands by Picture | 0 | - | 4.29 | 106,490 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,182 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,574 |
| Geography by Picture - F | 0 | - | 4.31 | 50,913 |
| Geography by Picture - G | 0 | - | 4.38 | 47,880 |
| Geography by Picture - J | 0 | - | 4.16 | 38,397 |
| Geography by Picture - K | 0 | - | 4.29 | 33,068 |
| Geography by Picture - C | 0 | - | 4.31 | 57,001 |
| Geography by Picture - L | 0 | - | 4.37 | 58,861 |
| Geography by Picture - M | 0 | - | 4.14 | 40,396 |
| Geography by Picture - P | 0 | - | 4.24 | 42,370 |
| Geography by Picture - S | 0 | - | 4.38 | 46,983 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,411 |
| Movie Logos | 0 | - | 4.33 | 237,326 |
| History by Picture - A | 0 | - | 4.25 | 45,675 |
| History by Picture - B | 0 | - | 4.40 | 48,823 |
| History by Picture - C | 0 | - | 4.36 | 54,338 |
| History by Picture - F | 0 | - | 4.35 | 37,782 |
| History by Picture - G | 0 | - | 4.40 | 42,044 |
| History by Picture - D | 0 | - | 4.29 | 44,204 |
| History by Picture - E | 0 | - | 4.27 | 43,820 |
| History by Picture - H | 0 | - | 4.37 | 36,706 |
| History by Picture - K | 0 | - | 4.35 | 33,269 |
| History by Picture - M | 0 | - | 4.17 | 36,068 |
| History by Picture - N | 0 | - | 4.40 | 41,163 |
| History by Picture - O | 0 | - | 4.39 | 36,216 |
| History by Picture - T | 0 | - | 4.20 | 33,235 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,705 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,236 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,427 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,464 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,099 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,505 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,161 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,906 |
| International Footballers by Picture | 0 | - | 4.50 | 55,220 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,819 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,244 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,606 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,526 |
| Flag Maths | 0 | - | 4.64 | 57,716 |
| Satellite Images #1 | 0 | - | 4.46 | 129,213 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,167 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,805 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,806 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,898 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,759 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,710 |
| Soccer Team Logos | 0 | - | 4.26 | 372,857 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,535 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,785 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,323 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,866 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,090 |
| Foods by Picture | 0 | - | 3.81 | 225,815 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,209 |
| Christmas by Picture | 0 | - | 4.25 | 28,134 |
| Hats by Picture | 0 | - | 4.21 | 17,934 |
| Weapons by Picture | 0 | - | 4.13 | 20,998 |
| Cars by Picture | 0 | - | 3.89 | 41,316 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,268 |
| Plants by Picture | 0 | - | 4.24 | 14,389 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,308 |
| Women in History by Picture | 0 | - | 4.25 | 25,849 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,724 |
| Geography by Picture - E | 0 | - | 3.55 | 47,327 |
| Landforms by Picture | 0 | - | 4.31 | 20,625 |
| Geography by Picture - I | 0 | - | 4.00 | 39,367 |
| Geography by Picture - O | 0 | - | 4.01 | 28,092 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,085 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,395 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,116 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,614 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,369 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,882 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,080 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,924 |
| History by Picture - I | 0 | - | 4.26 | 26,142 |
| History by Picture - J | 0 | - | 4.18 | 26,657 |
| History by Picture - L | 0 | - | 4.18 | 30,696 |
| History by Picture - P | 0 | - | 4.08 | 25,233 |
| History by Picture - Q | 0 | - | 4.03 | 22,022 |
| History by Picture - R | 0 | - | 4.13 | 26,771 |
| History by Picture - S | 0 | - | 4.14 | 27,715 |
| History by Picture - U | 0 | - | 4.24 | 25,057 |
| History by Picture - V | 0 | - | 4.30 | 25,025 |
| History by Picture - W | 0 | - | 4.01 | 21,585 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,804 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,034 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,495 |
| Flowers by Picture | 0 | - | 4.46 | 105,153 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,645 |
| Authors by Picture | 0 | - | 4.48 | 25,481 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,911 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,475 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,527 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,708 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,682 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,336 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,216 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,972 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,043 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,411 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,086 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,949 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,250 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,294 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,064 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,513 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,228 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,190 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,988 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,050 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,753 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,694 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,967 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,060 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,918 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,525 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,687 |
| Emoji Flags | 0 | - | 4.35 | 43,957 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,688 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,617 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,332 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,131 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,445 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,740 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,842 |
| Airline Logos | 0 | - | 4.45 | 140,365 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,413,370 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,724 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,475 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,235 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,679 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,184 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,733 |
