| Former Countries by Territory Map | 0 | - | 4.96 | 101,290 |
| Empires by Maps | 0 | - | 4.98 | 118,126 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,941 |
| Name that Object #1 | 0 | - | 3.56 | 96,261 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,541 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,940 |
| All Country Flags of the World | 0 | - | 5.00 | 3,593,504 |
| Years in History by Picture | 0 | - | 4.44 | 35,041 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,114 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,487 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,566 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,070 |
| Old Movies by Picture | 0 | - | 4.51 | 24,748 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,622 |
| Name that Object #2 | 0 | - | 3.64 | 15,297 |
| Name that Object #3 | 0 | - | 3.93 | 14,282 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,708 |
| Flags with Crescents | 0 | - | 4.98 | 167,244 |
| Country Flag Trivia | 0 | - | 4.81 | 55,761 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,213 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,331 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,711 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,328 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,255 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,920 |
| Random Logos Quiz | 0 | - | 4.32 | 206,835 |
| National Football Team Logos | 0 | - | 4.84 | 178,372 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,081 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,679 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,557 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,262 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,487 |
| Fruits by Picture | 0 | - | 4.20 | 804,283 |
| Geography by Picture - B | 0 | - | 4.42 | 55,382 |
| Geography by Picture - H | 0 | - | 4.49 | 58,015 |
| Geography by Picture - N | 0 | - | 4.45 | 42,030 |
| Geography by Picture - R | 0 | - | 4.55 | 40,862 |
| Geography by Picture - T | 0 | - | 4.54 | 57,647 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,953 |
| Flags to Languages | 0 | - | 4.95 | 172,323 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,249 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,875 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,294 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,762 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,272 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,083 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,555 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,890 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,143 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,297 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,832 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,584 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,439 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,135 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,206 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 530,967 |
| Name that Bug | 0 | - | 4.12 | 45,430 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,166 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,575 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,369 |
| Elements by Picture | 0 | - | 4.27 | 69,480 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,137 |
| Islands by Picture | 0 | - | 4.29 | 105,732 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,998 |
| Geography by Picture - A | 0 | - | 4.39 | 60,016 |
| Geography by Picture - D | 0 | - | 4.15 | 45,465 |
| Geography by Picture - F | 0 | - | 4.31 | 50,805 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,313 |
| Geography by Picture - K | 0 | - | 4.28 | 32,995 |
| Geography by Picture - C | 0 | - | 4.31 | 56,890 |
| Geography by Picture - L | 0 | - | 4.37 | 58,727 |
| Geography by Picture - M | 0 | - | 4.14 | 40,326 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,893 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,438 |
| Movie Logos | 0 | - | 4.33 | 235,459 |
| History by Picture - A | 0 | - | 4.25 | 45,408 |
| History by Picture - B | 0 | - | 4.40 | 48,518 |
| History by Picture - C | 0 | - | 4.36 | 54,023 |
| History by Picture - F | 0 | - | 4.35 | 37,536 |
| History by Picture - G | 0 | - | 4.40 | 41,787 |
| History by Picture - D | 0 | - | 4.32 | 43,955 |
| History by Picture - E | 0 | - | 4.27 | 43,576 |
| History by Picture - H | 0 | - | 4.37 | 36,482 |
| History by Picture - K | 0 | - | 4.35 | 33,063 |
| History by Picture - M | 0 | - | 4.17 | 35,869 |
| History by Picture - N | 0 | - | 4.40 | 40,947 |
| History by Picture - O | 0 | - | 4.39 | 35,983 |
| History by Picture - T | 0 | - | 4.20 | 33,044 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,147 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,908 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,468 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,178 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,875 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,015 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,755 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,730 |
| International Footballers by Picture | 0 | - | 4.50 | 54,559 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,283 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,469 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,226 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,044 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,953 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,950 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,612 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,337 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,265 |
| Soccer Team Logos | 0 | - | 4.26 | 370,164 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,595 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,829 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,623 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,071 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,110 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,776 |
| Foods by Picture | 0 | - | 3.81 | 225,374 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,932 |
| Christmas by Picture | 0 | - | 4.25 | 28,091 |
| Hats by Picture | 0 | - | 4.21 | 17,897 |
| Weapons by Picture | 0 | - | 4.13 | 20,857 |
| Cars by Picture | 0 | - | 3.89 | 41,027 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,215 |
| Plants by Picture | 0 | - | 4.24 | 14,326 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,304 |
| Women in History by Picture | 0 | - | 4.25 | 25,739 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,636 |
| Geography by Picture - E | 0 | - | 3.55 | 47,266 |
| Landforms by Picture | 0 | - | 4.31 | 20,564 |
| Geography by Picture - I | 0 | - | 4.00 | 39,303 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,306 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,252 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,958 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,495 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,263 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,753 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,967 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,816 |
| History by Picture - I | 0 | - | 4.26 | 25,964 |
| History by Picture - J | 0 | - | 4.23 | 26,486 |
| History by Picture - L | 0 | - | 4.18 | 30,517 |
| History by Picture - P | 0 | - | 4.08 | 25,072 |
| History by Picture - Q | 0 | - | 4.03 | 21,887 |
| History by Picture - R | 0 | - | 4.13 | 26,594 |
| History by Picture - S | 0 | - | 4.14 | 27,548 |
| History by Picture - U | 0 | - | 4.24 | 24,893 |
| History by Picture - V | 0 | - | 4.30 | 24,869 |
| History by Picture - W | 0 | - | 4.01 | 21,463 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,372 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,533 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,769 |
| Flowers by Picture | 0 | - | 4.46 | 104,975 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,500 |
| Authors by Picture | 0 | - | 4.48 | 25,380 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,333 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,958 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,084 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,251 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,332 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,025 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,836 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,714 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,865 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,035 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,798 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,342 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,960 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,071 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,890 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,174 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,919 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,864 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,466 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,890 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,432 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,862 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,295 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,875 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,124 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,911 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,240 |
| Emoji Flags | 0 | - | 4.35 | 43,782 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,015 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,211 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,675 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,020 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,649 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,772 |
| Airline Logos | 0 | - | 4.45 | 139,848 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,398,568 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,715 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,609 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,559 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,534 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,053 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,940 |
| Vegetables by Picture | 0 | - | 4.39 | 62,763 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,770 |
