| Pictures by Letter - A | 0 | - | 4.17 | 33,088 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,685 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,573 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,271 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,495 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,338 |
| Empires by Maps | 0 | - | 4.98 | 118,197 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,255 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,884 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,300 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,771 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,087 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,557 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,897 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,153 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,301 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,836 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,587 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,447 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,952 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,609 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,957 |
| All Country Flags of the World | 0 | - | 5.00 | 3,595,145 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,257 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,962 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,500 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,266 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,756 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,969 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,821 |
| Years in History by Picture | 0 | - | 4.44 | 35,053 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,132 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,811 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,711 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,177 |
| Name that Object #1 | 0 | - | 3.56 | 96,274 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,721 |
| Flags with Crescents | 0 | - | 4.98 | 167,317 |
| Country Flag Trivia | 0 | - | 4.81 | 55,800 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,261 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,354 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,752 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,360 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,284 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,946 |
| National Football Team Logos | 0 | - | 4.84 | 178,431 |
| Old Movies by Picture | 0 | - | 4.51 | 24,759 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,628 |
| Random Logos Quiz | 0 | - | 4.32 | 206,874 |
| Fruits by Picture | 0 | - | 4.20 | 804,345 |
| Geography by Picture - B | 0 | - | 4.42 | 55,388 |
| Geography by Picture - H | 0 | - | 4.49 | 58,019 |
| Geography by Picture - N | 0 | - | 4.45 | 42,033 |
| Geography by Picture - R | 0 | - | 4.55 | 40,866 |
| Geography by Picture - T | 0 | - | 4.54 | 57,650 |
| Flags to Languages | 0 | - | 4.95 | 172,356 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,010 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,177 |
| Name that Object #2 | 0 | - | 3.64 | 15,306 |
| Name that Object #3 | 0 | - | 3.93 | 14,292 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,769 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,250 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,364 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,194 |
| Name that Bug | 0 | - | 4.12 | 45,435 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,585 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,373 |
| Elements by Picture | 0 | - | 4.27 | 69,494 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,141 |
| Islands by Picture | 0 | - | 4.29 | 105,773 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,005 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,925 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,495 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,188 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,882 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,041 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,733 |
| International Footballers by Picture | 0 | - | 4.50 | 54,591 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,348 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,496 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,240 |
| Geography by Picture - A | 0 | - | 4.39 | 60,024 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| Geography by Picture - F | 0 | - | 4.31 | 50,809 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,893 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,330 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,895 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,113 |
| Flag Maths | 0 | - | 4.78 | 57,664 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,963 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,955 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,617 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,619 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,777 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,286 |
| Soccer Team Logos | 0 | - | 4.26 | 370,276 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,705 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,912 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,485 |
| Movie Logos | 0 | - | 4.33 | 235,527 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,655 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,093 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,143 |
| History by Picture - A | 0 | - | 4.25 | 45,419 |
| History by Picture - B | 0 | - | 4.40 | 48,533 |
| History by Picture - C | 0 | - | 4.36 | 54,034 |
| History by Picture - F | 0 | - | 4.35 | 37,544 |
| History by Picture - G | 0 | - | 4.40 | 41,801 |
| History by Picture - D | 0 | - | 4.32 | 43,963 |
| History by Picture - E | 0 | - | 4.27 | 43,585 |
| History by Picture - H | 0 | - | 4.37 | 36,496 |
| History by Picture - K | 0 | - | 4.35 | 33,073 |
| History by Picture - M | 0 | - | 4.17 | 35,877 |
| History by Picture - N | 0 | - | 4.40 | 40,959 |
| History by Picture - O | 0 | - | 4.39 | 35,994 |
| History by Picture - T | 0 | - | 4.20 | 33,057 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,786 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,360 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,332 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,264 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,397 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,560 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,789 |
| Foods by Picture | 0 | - | 3.81 | 225,395 |
| Flowers by Picture | 0 | - | 4.46 | 104,984 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,942 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,510 |
| Christmas by Picture | 0 | - | 4.25 | 28,094 |
| Hats by Picture | 0 | - | 4.21 | 17,899 |
| Weapons by Picture | 0 | - | 4.13 | 20,859 |
| Cars by Picture | 0 | - | 3.89 | 41,039 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,220 |
| Authors by Picture | 0 | - | 4.48 | 25,383 |
| Plants by Picture | 0 | - | 4.24 | 14,330 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,354 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,421 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,976 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,100 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,279 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,350 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,035 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,844 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,729 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,869 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,053 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,808 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,356 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,970 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,078 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,895 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,187 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,933 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,876 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,493 |
| Women in History by Picture | 0 | - | 4.25 | 25,744 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,895 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,640 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,471 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,894 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,322 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,932 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,159 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,934 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,254 |
| Geography by Picture - E | 0 | - | 3.55 | 47,268 |
| Landforms by Picture | 0 | - | 4.31 | 20,565 |
| Geography by Picture - I | 0 | - | 4.00 | 39,304 |
| Emoji Flags | 0 | - | 4.35 | 43,791 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,428 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,042 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,214 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,686 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,030 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,655 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,810 |
| Airline Logos | 0 | - | 4.45 | 139,868 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,760 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,664 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,587 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,565 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,085 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,959 |
| History by Picture - I | 0 | - | 4.26 | 25,972 |
| History by Picture - J | 0 | - | 4.23 | 26,495 |
| History by Picture - L | 0 | - | 4.18 | 30,528 |
| History by Picture - P | 0 | - | 4.08 | 25,082 |
| History by Picture - Q | 0 | - | 4.03 | 21,895 |
| History by Picture - R | 0 | - | 4.13 | 26,603 |
| History by Picture - S | 0 | - | 4.14 | 27,558 |
| History by Picture - U | 0 | - | 4.24 | 24,903 |
| History by Picture - V | 0 | - | 4.30 | 24,875 |
| History by Picture - W | 0 | - | 4.01 | 21,471 |
| Vegetables by Picture | 0 | - | 4.39 | 62,779 |
