| Pictures by Letter - J | 0 | - | 4.31 | 40,310 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,300 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,840 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,049 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,172 |
| Empires by Maps | 0 | - | 4.98 | 122,485 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,678 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,415 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,793 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,298 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,622 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,477 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,956 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,317 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,608 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,685 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,231 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,958 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,892 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,595 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,635 |
| Play-Doh People from History | 0 | - | 4.99 | 95,744 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,261 |
| All Country Flags of the World | 0 | - | 5.00 | 3,723,140 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,686 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,870 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,592 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,130 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,307 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,136 |
| Years in History by Picture | 0 | - | 4.45 | 35,930 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,534 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,560 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,084 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,024 |
| Name that Object #1 | 0 | - | 3.57 | 96,649 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,032 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,181 |
| Flags with Crescents | 0 | - | 4.98 | 171,685 |
| Country Flag Trivia | 0 | - | 4.82 | 58,259 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,143 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,600 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,845 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,105 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,140 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,614 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,719 |
| National Football Team Logos | 0 | - | 4.85 | 182,197 |
| Old Movies by Picture | 0 | - | 4.51 | 25,293 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,341 |
| Random Logos Quiz | 0 | - | 4.33 | 209,881 |
| Fruits by Picture | 0 | - | 4.19 | 809,757 |
| Geography by Picture - B | 0 | - | 4.42 | 55,825 |
| Geography by Picture - H | 0 | - | 4.50 | 58,423 |
| Geography by Picture - N | 0 | - | 4.45 | 42,390 |
| Geography by Picture - R | 0 | - | 4.56 | 41,185 |
| Geography by Picture - T | 0 | - | 4.54 | 58,037 |
| Flags to Languages | 0 | - | 4.95 | 174,677 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,598 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,122 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,850 |
| Name that Object #2 | 0 | - | 3.63 | 15,543 |
| Name that Object #3 | 0 | - | 3.93 | 14,477 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,971 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,958 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,633 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,005 |
| Name that Bug | 0 | - | 4.12 | 45,656 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,546 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,315 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,011 |
| Elements by Picture | 0 | - | 4.27 | 70,377 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,542 |
| Islands by Picture | 0 | - | 4.28 | 107,935 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,481 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,393 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,058 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,535 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,544 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,242 |
| International Footballers by Picture | 0 | - | 4.51 | 56,566 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,328 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,619 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,754 |
| Geography by Picture - A | 0 | - | 4.39 | 60,476 |
| Geography by Picture - D | 0 | - | 4.15 | 45,819 |
| Geography by Picture - F | 0 | - | 4.31 | 51,225 |
| Geography by Picture - G | 0 | - | 4.39 | 48,117 |
| Geography by Picture - J | 0 | - | 4.16 | 38,628 |
| Geography by Picture - K | 0 | - | 4.29 | 33,286 |
| Geography by Picture - C | 0 | - | 4.31 | 57,274 |
| Geography by Picture - L | 0 | - | 4.37 | 59,170 |
| Geography by Picture - M | 0 | - | 4.14 | 40,613 |
| Geography by Picture - P | 0 | - | 4.24 | 42,597 |
| Geography by Picture - S | 0 | - | 4.38 | 47,204 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,353 |
| Flag Maths | 0 | - | 4.61 | 57,862 |
| Satellite Images #1 | 0 | - | 4.46 | 130,057 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,747 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,439 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,287 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,252 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,651 |
| Soccer Team Logos | 0 | - | 4.26 | 378,178 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,256 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,230 |
| Movie Logos | 0 | - | 4.33 | 240,748 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,317 |
| History by Picture - A | 0 | - | 4.26 | 46,222 |
| History by Picture - B | 0 | - | 4.40 | 49,422 |
| History by Picture - C | 0 | - | 4.33 | 54,960 |
| History by Picture - F | 0 | - | 4.35 | 38,255 |
| History by Picture - G | 0 | - | 4.40 | 42,495 |
| History by Picture - D | 0 | - | 4.29 | 44,720 |
| History by Picture - E | 0 | - | 4.25 | 44,298 |
| History by Picture - H | 0 | - | 4.37 | 37,141 |
| History by Picture - K | 0 | - | 4.35 | 33,664 |
| History by Picture - M | 0 | - | 4.17 | 36,444 |
| History by Picture - N | 0 | - | 4.40 | 41,580 |
| History by Picture - O | 0 | - | 4.39 | 36,594 |
| History by Picture - T | 0 | - | 4.20 | 33,587 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,858 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,802 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,630 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,056 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,946 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,045 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,902 |
| Foods by Picture | 0 | - | 3.81 | 226,737 |
| Flowers by Picture | 0 | - | 4.46 | 105,888 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,822 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,008 |
| Christmas by Picture | 0 | - | 4.26 | 28,238 |
| Hats by Picture | 0 | - | 4.21 | 18,026 |
| Weapons by Picture | 0 | - | 4.13 | 21,219 |
| Cars by Picture | 0 | - | 3.89 | 41,854 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,399 |
| Authors by Picture | 0 | - | 4.48 | 25,650 |
| Plants by Picture | 0 | - | 4.24 | 14,530 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,086 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,458 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,225 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,470 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,582 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,374 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,122 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,942 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,553 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,378 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,119 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,614 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,857 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,818 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,717 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,402 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,180 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,830 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,891 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,182 |
| Women in History by Picture | 0 | - | 4.25 | 26,065 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,374 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,877 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,585 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,222 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,048 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,261 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,552 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,748 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,659 |
| Geography by Picture - E | 0 | - | 3.54 | 47,517 |
| Landforms by Picture | 0 | - | 4.31 | 20,769 |
| Geography by Picture - I | 0 | - | 4.00 | 39,553 |
| Geography by Picture - O | 0 | - | 4.01 | 28,267 |
| Emoji Flags | 0 | - | 4.35 | 44,321 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,286 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,786 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,687 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,076 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,361 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,951 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,579 |
| Airline Logos | 0 | - | 4.45 | 141,545 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,694 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,110 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,649 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,427 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,762 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,324 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,027 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,227 |
| History by Picture - I | 0 | - | 4.24 | 26,498 |
| History by Picture - J | 0 | - | 4.18 | 26,990 |
| History by Picture - L | 0 | - | 4.18 | 31,062 |
| History by Picture - P | 0 | - | 4.08 | 25,521 |
| History by Picture - Q | 0 | - | 4.03 | 22,293 |
| History by Picture - R | 0 | - | 4.13 | 27,089 |
| History by Picture - S | 0 | - | 4.14 | 28,017 |
| History by Picture - U | 0 | - | 4.25 | 25,365 |
| History by Picture - V | 0 | - | 4.31 | 25,348 |
| History by Picture - W | 0 | - | 4.01 | 21,840 |
