| Former Countries by Territory Map | 0 | - | 4.96 | 101,473 |
| Empires by Maps | 0 | - | 4.98 | 118,349 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,981 |
| Name that Object #1 | 0 | - | 3.56 | 96,292 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,695 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,994 |
| All Country Flags of the World | 0 | - | 5.00 | 3,598,974 |
| Years in History by Picture | 0 | - | 4.44 | 35,081 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,187 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,788 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,126 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,468 |
| Old Movies by Picture | 0 | - | 4.51 | 24,782 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,652 |
| Name that Object #2 | 0 | - | 3.64 | 15,318 |
| Name that Object #3 | 0 | - | 3.93 | 14,297 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,778 |
| Flags with Crescents | 0 | - | 4.98 | 167,459 |
| Country Flag Trivia | 0 | - | 4.81 | 55,876 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,344 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,418 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,842 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,410 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,340 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,990 |
| Random Logos Quiz | 0 | - | 4.32 | 206,957 |
| National Football Team Logos | 0 | - | 4.84 | 178,551 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,114 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,707 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,601 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,296 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,512 |
| Fruits by Picture | 0 | - | 4.20 | 804,496 |
| Geography by Picture - B | 0 | - | 4.42 | 55,399 |
| Geography by Picture - H | 0 | - | 4.49 | 58,034 |
| Geography by Picture - N | 0 | - | 4.45 | 42,041 |
| Geography by Picture - R | 0 | - | 4.55 | 40,872 |
| Geography by Picture - T | 0 | - | 4.54 | 57,669 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,177 |
| Flags to Languages | 0 | - | 4.95 | 172,433 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,267 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,900 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,318 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,793 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,288 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,099 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,572 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,910 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,169 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,314 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,854 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,599 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,464 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,145 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,411 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,702 |
| Name that Bug | 0 | - | 4.12 | 45,442 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,177 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,604 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,390 |
| Elements by Picture | 0 | - | 4.28 | 69,525 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,151 |
| Islands by Picture | 0 | - | 4.29 | 105,838 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,027 |
| Geography by Picture - A | 0 | - | 4.39 | 60,042 |
| Geography by Picture - D | 0 | - | 4.15 | 45,481 |
| Geography by Picture - F | 0 | - | 4.31 | 50,819 |
| Geography by Picture - G | 0 | - | 4.38 | 47,780 |
| Geography by Picture - J | 0 | - | 4.16 | 38,332 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,899 |
| Geography by Picture - L | 0 | - | 4.37 | 58,746 |
| Geography by Picture - M | 0 | - | 4.14 | 40,341 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,903 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,570 |
| Movie Logos | 0 | - | 4.33 | 235,712 |
| History by Picture - A | 0 | - | 4.25 | 45,443 |
| History by Picture - B | 0 | - | 4.40 | 48,554 |
| History by Picture - C | 0 | - | 4.36 | 54,062 |
| History by Picture - F | 0 | - | 4.35 | 37,570 |
| History by Picture - G | 0 | - | 4.40 | 41,830 |
| History by Picture - D | 0 | - | 4.29 | 43,990 |
| History by Picture - E | 0 | - | 4.27 | 43,610 |
| History by Picture - H | 0 | - | 4.37 | 36,525 |
| History by Picture - K | 0 | - | 4.35 | 33,090 |
| History by Picture - M | 0 | - | 4.17 | 35,898 |
| History by Picture - N | 0 | - | 4.40 | 40,977 |
| History by Picture - O | 0 | - | 4.39 | 36,016 |
| History by Picture - T | 0 | - | 4.20 | 33,078 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,221 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,960 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,544 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,217 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,902 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,078 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,806 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,756 |
| International Footballers by Picture | 0 | - | 4.50 | 54,666 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,516 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,576 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,276 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,257 |
| Flag Maths | 0 | - | 4.78 | 57,670 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,970 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,635 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,635 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,797 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,397 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,329 |
| Soccer Team Logos | 0 | - | 4.26 | 370,582 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,996 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,108 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,716 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,157 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,198 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,818 |
| Foods by Picture | 0 | - | 3.81 | 225,432 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,973 |
| Christmas by Picture | 0 | - | 4.25 | 28,098 |
| Hats by Picture | 0 | - | 4.21 | 17,902 |
| Weapons by Picture | 0 | - | 4.13 | 20,877 |
| Cars by Picture | 0 | - | 3.89 | 41,062 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Plants by Picture | 0 | - | 4.24 | 14,332 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,459 |
| Women in History by Picture | 0 | - | 4.25 | 25,755 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,652 |
| Geography by Picture - E | 0 | - | 3.55 | 47,272 |
| Landforms by Picture | 0 | - | 4.31 | 20,570 |
| Geography by Picture - I | 0 | - | 4.00 | 39,311 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,399 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,269 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,980 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,509 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,274 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,771 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,978 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,830 |
| History by Picture - I | 0 | - | 4.26 | 25,995 |
| History by Picture - J | 0 | - | 4.18 | 26,516 |
| History by Picture - L | 0 | - | 4.18 | 30,545 |
| History by Picture - P | 0 | - | 4.08 | 25,096 |
| History by Picture - Q | 0 | - | 4.03 | 21,908 |
| History by Picture - R | 0 | - | 4.13 | 26,620 |
| History by Picture - S | 0 | - | 4.14 | 27,574 |
| History by Picture - U | 0 | - | 4.24 | 24,926 |
| History by Picture - V | 0 | - | 4.30 | 24,893 |
| History by Picture - W | 0 | - | 4.01 | 21,484 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,437 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,616 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,853 |
| Flowers by Picture | 0 | - | 4.46 | 104,999 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| Authors by Picture | 0 | - | 4.48 | 25,389 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,410 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,030 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,147 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,331 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,382 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,057 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,870 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,752 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,887 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,084 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,841 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,400 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,996 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,109 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,913 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,223 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,969 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,913 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,543 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,910 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,590 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,983 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,384 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,044 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,239 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,000 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,300 |
| Emoji Flags | 0 | - | 4.35 | 43,803 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,098 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,231 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,719 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,063 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,665 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,899 |
| Airline Logos | 0 | - | 4.45 | 139,902 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,824 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,859 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,745 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,647 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,624 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,151 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,991 |
| Vegetables by Picture | 0 | - | 4.39 | 62,819 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,820 |
