| Former Countries by Territory Map | 0 | - | 4.96 | 102,762 |
| Empires by Maps | 0 | - | 4.98 | 120,376 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,956 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,253 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,276 |
| Play-Doh People from History | 0 | - | 4.99 | 94,772 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,578 |
| All Country Flags of the World | 0 | - | 5.00 | 3,661,183 |
| Years in History by Picture | 0 | - | 4.44 | 35,504 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,890 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,776 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,693 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,289 |
| Name that Object #1 | 0 | - | 3.57 | 96,498 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,475 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,496 |
| Flags with Crescents | 0 | - | 4.98 | 169,482 |
| Country Flag Trivia | 0 | - | 4.81 | 56,997 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,704 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,479 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,371 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,254 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,207 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,775 |
| National Football Team Logos | 0 | - | 4.85 | 180,329 |
| Old Movies by Picture | 0 | - | 4.51 | 25,093 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,019 |
| Random Logos Quiz | 0 | - | 4.31 | 208,387 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,428 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,038 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,976 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,595 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,800 |
| Fruits by Picture | 0 | - | 4.19 | 807,201 |
| Geography by Picture - B | 0 | - | 4.42 | 55,596 |
| Geography by Picture - H | 0 | - | 4.50 | 58,222 |
| Geography by Picture - N | 0 | - | 4.45 | 42,201 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Flags to Languages | 0 | - | 4.95 | 173,611 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,046 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,519 |
| Original 151 Pokémon | 0 | - | 4.96 | 789,847 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,069 |
| Name that Object #2 | 0 | - | 3.64 | 15,443 |
| Name that Object #3 | 0 | - | 3.93 | 14,400 |
| Pokémon by Picture | 0 | - | 4.38 | 73,860 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,391 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,494 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,000 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,877 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,499 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,175 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,569 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,057 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,463 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,309 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,772 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,131 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,395 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,502 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,059 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,790 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,691 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,499 |
| Name that Bug | 0 | - | 4.12 | 45,558 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,354 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,944 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,683 |
| Elements by Picture | 0 | - | 4.27 | 69,934 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,312 |
| Islands by Picture | 0 | - | 4.29 | 106,926 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,261 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,833 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,634 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,221 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,801 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,013 |
| International Footballers by Picture | 0 | - | 4.50 | 55,600 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,520 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,648 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,797 |
| Geography by Picture - A | 0 | - | 4.39 | 60,245 |
| Geography by Picture - D | 0 | - | 4.15 | 45,653 |
| Geography by Picture - F | 0 | - | 4.31 | 50,998 |
| Geography by Picture - G | 0 | - | 4.38 | 47,944 |
| Geography by Picture - J | 0 | - | 4.16 | 38,462 |
| Geography by Picture - K | 0 | - | 4.29 | 33,122 |
| Geography by Picture - C | 0 | - | 4.31 | 57,066 |
| Geography by Picture - L | 0 | - | 4.37 | 58,957 |
| Geography by Picture - M | 0 | - | 4.14 | 40,457 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,038 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,381 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Satellite Images #1 | 0 | - | 4.47 | 129,362 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,299 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,905 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,917 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,980 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,979 |
| Soccer Team Logos | 0 | - | 4.26 | 374,432 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,417 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,879 |
| Movie Logos | 0 | - | 4.33 | 238,405 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,814 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,289 |
| History by Picture - A | 0 | - | 4.26 | 45,811 |
| History by Picture - B | 0 | - | 4.40 | 48,973 |
| History by Picture - C | 0 | - | 4.36 | 54,499 |
| History by Picture - F | 0 | - | 4.35 | 37,898 |
| History by Picture - G | 0 | - | 4.40 | 42,161 |
| History by Picture - D | 0 | - | 4.29 | 44,330 |
| History by Picture - E | 0 | - | 4.25 | 43,949 |
| History by Picture - H | 0 | - | 4.37 | 36,811 |
| History by Picture - K | 0 | - | 4.35 | 33,370 |
| History by Picture - M | 0 | - | 4.17 | 36,158 |
| History by Picture - N | 0 | - | 4.40 | 41,278 |
| History by Picture - O | 0 | - | 4.39 | 36,327 |
| History by Picture - T | 0 | - | 4.20 | 33,325 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,279 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,969 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,782 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,522 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,422,297 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,102 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,296 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,911 |
| Foods by Picture | 0 | - | 3.81 | 226,087 |
| Flowers by Picture | 0 | - | 4.46 | 105,638 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,376 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,739 |
| Christmas by Picture | 0 | - | 4.26 | 28,169 |
| Hats by Picture | 0 | - | 4.21 | 17,965 |
| Weapons by Picture | 0 | - | 4.13 | 21,053 |
| Cars by Picture | 0 | - | 3.89 | 41,506 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,298 |
| Authors by Picture | 0 | - | 4.48 | 25,533 |
| Plants by Picture | 0 | - | 4.24 | 14,445 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,348 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,440 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,759 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,818 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,959 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,852 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,535 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,441 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,116 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,125 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,622 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,233 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,175 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,416 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,418 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,185 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,721 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,428 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,433 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,564 |
| Women in History by Picture | 0 | - | 4.25 | 25,917 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,161 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,775 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,327 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,121 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,294 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,740 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,404 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,885 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,979 |
| Geography by Picture - E | 0 | - | 3.55 | 47,378 |
| Landforms by Picture | 0 | - | 4.31 | 20,671 |
| Geography by Picture - I | 0 | - | 4.00 | 39,427 |
| Geography by Picture - O | 0 | - | 4.01 | 28,140 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,859 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,984 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,391 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,390 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,706 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,809 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,467 |
| Airline Logos | 0 | - | 4.45 | 140,706 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,351 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,025 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,600 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,978 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,530 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,145 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,651 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,495 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,223 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,699 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,444 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,967 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,150 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,993 |
| History by Picture - I | 0 | - | 4.24 | 26,241 |
| History by Picture - J | 0 | - | 4.18 | 26,743 |
| History by Picture - L | 0 | - | 4.18 | 30,797 |
| History by Picture - P | 0 | - | 4.08 | 25,304 |
