| Former Countries by Territory Map | 0 | - | 4.96 | 101,361 |
| Empires by Maps | 0 | - | 4.98 | 118,240 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,961 |
| Name that Object #1 | 0 | - | 3.56 | 96,282 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,648 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,973 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,323 |
| Years in History by Picture | 0 | - | 4.44 | 35,063 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,151 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,077 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,835 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,257 |
| Old Movies by Picture | 0 | - | 4.51 | 24,768 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,638 |
| Name that Object #2 | 0 | - | 3.64 | 15,311 |
| Name that Object #3 | 0 | - | 3.93 | 14,295 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,737 |
| Flags with Crescents | 0 | - | 4.98 | 167,364 |
| Country Flag Trivia | 0 | - | 4.81 | 55,812 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,278 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,369 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,784 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,371 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,296 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,956 |
| Random Logos Quiz | 0 | - | 4.32 | 206,900 |
| National Football Team Logos | 0 | - | 4.84 | 178,473 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,101 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,694 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,585 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,283 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,502 |
| Fruits by Picture | 0 | - | 4.20 | 804,401 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,037 |
| Geography by Picture - R | 0 | - | 4.55 | 40,868 |
| Geography by Picture - T | 0 | - | 4.54 | 57,654 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,046 |
| Flags to Languages | 0 | - | 4.95 | 172,385 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,260 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,892 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,306 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,782 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,281 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,093 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,565 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,905 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,160 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,306 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,845 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,592 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,456 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,140 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,286 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,330 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,170 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,588 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,378 |
| Elements by Picture | 0 | - | 4.28 | 69,498 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,144 |
| Islands by Picture | 0 | - | 4.29 | 105,791 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,012 |
| Geography by Picture - A | 0 | - | 4.39 | 60,029 |
| Geography by Picture - D | 0 | - | 4.15 | 45,474 |
| Geography by Picture - F | 0 | - | 4.31 | 50,813 |
| Geography by Picture - G | 0 | - | 4.38 | 47,775 |
| Geography by Picture - J | 0 | - | 4.16 | 38,324 |
| Geography by Picture - K | 0 | - | 4.28 | 33,003 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,337 |
| Geography by Picture - P | 0 | - | 4.24 | 42,290 |
| Geography by Picture - S | 0 | - | 4.38 | 46,899 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,501 |
| Movie Logos | 0 | - | 4.33 | 235,579 |
| History by Picture - A | 0 | - | 4.25 | 45,428 |
| History by Picture - B | 0 | - | 4.40 | 48,539 |
| History by Picture - C | 0 | - | 4.36 | 54,043 |
| History by Picture - F | 0 | - | 4.35 | 37,554 |
| History by Picture - G | 0 | - | 4.40 | 41,812 |
| History by Picture - D | 0 | - | 4.29 | 43,974 |
| History by Picture - E | 0 | - | 4.27 | 43,595 |
| History by Picture - H | 0 | - | 4.37 | 36,507 |
| History by Picture - K | 0 | - | 4.35 | 33,078 |
| History by Picture - M | 0 | - | 4.17 | 35,885 |
| History by Picture - N | 0 | - | 4.40 | 40,965 |
| History by Picture - O | 0 | - | 4.39 | 36,002 |
| History by Picture - T | 0 | - | 4.20 | 33,061 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,186 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,934 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,509 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,194 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,887 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,052 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,781 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,739 |
| International Footballers by Picture | 0 | - | 4.50 | 54,613 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,387 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,517 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,249 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,159 |
| Flag Maths | 0 | - | 4.78 | 57,666 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,970 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,781 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,378 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Soccer Team Logos | 0 | - | 4.26 | 370,360 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,806 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,964 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,669 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,115 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,155 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,798 |
| Foods by Picture | 0 | - | 3.81 | 225,406 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,949 |
| Christmas by Picture | 0 | - | 4.25 | 28,097 |
| Hats by Picture | 0 | - | 4.21 | 17,900 |
| Weapons by Picture | 0 | - | 4.13 | 20,869 |
| Cars by Picture | 0 | - | 3.89 | 41,045 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,221 |
| Plants by Picture | 0 | - | 4.24 | 14,331 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,377 |
| Women in History by Picture | 0 | - | 4.25 | 25,749 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,643 |
| Geography by Picture - E | 0 | - | 3.55 | 47,271 |
| Landforms by Picture | 0 | - | 4.31 | 20,566 |
| Geography by Picture - I | 0 | - | 4.00 | 39,307 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,352 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,262 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,971 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,505 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,271 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,763 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,972 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,825 |
| History by Picture - I | 0 | - | 4.26 | 25,983 |
| History by Picture - J | 0 | - | 4.18 | 26,502 |
| History by Picture - L | 0 | - | 4.18 | 30,535 |
| History by Picture - P | 0 | - | 4.08 | 25,087 |
| History by Picture - Q | 0 | - | 4.03 | 21,899 |
| History by Picture - R | 0 | - | 4.13 | 26,611 |
| History by Picture - S | 0 | - | 4.14 | 27,561 |
| History by Picture - U | 0 | - | 4.24 | 24,912 |
| History by Picture - V | 0 | - | 4.30 | 24,882 |
| History by Picture - W | 0 | - | 4.01 | 21,476 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,408 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,578 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,805 |
| Flowers by Picture | 0 | - | 4.46 | 104,990 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,516 |
| Authors by Picture | 0 | - | 4.48 | 25,387 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,373 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,984 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,116 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,292 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,358 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,041 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,850 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,738 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,875 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,063 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,818 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,372 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,976 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,087 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,901 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,200 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,943 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,884 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,506 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,899 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,505 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,918 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,340 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,966 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,181 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,955 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,269 |
| Emoji Flags | 0 | - | 4.35 | 43,794 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,055 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,218 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,699 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,041 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,658 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,840 |
| Airline Logos | 0 | - | 4.45 | 139,885 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,679 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,798 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,686 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,602 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,583 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,109 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,965 |
| Vegetables by Picture | 0 | - | 4.39 | 62,789 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,799 |
