| Former Countries by Territory Map | 0 | - | 4.96 | 103,646 |
| Empires by Maps | 0 | - | 4.98 | 121,726 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,869 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,476 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,211 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,017 |
| All Country Flags of the World | 0 | - | 5.00 | 3,707,036 |
| Years in History by Picture | 0 | - | 4.44 | 35,737 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,347 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,666 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,583 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,043 |
| Name that Object #1 | 0 | - | 3.57 | 96,594 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,881 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,975 |
| Flags with Crescents | 0 | - | 4.98 | 171,151 |
| Country Flag Trivia | 0 | - | 4.81 | 57,880 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,759 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,311 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,426 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,846 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,879 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,412 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,593 |
| National Football Team Logos | 0 | - | 4.85 | 181,631 |
| Old Movies by Picture | 0 | - | 4.51 | 25,239 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,279 |
| Random Logos Quiz | 0 | - | 4.33 | 209,306 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,625 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,255 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,232 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,788 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,987 |
| Fruits by Picture | 0 | - | 4.19 | 808,969 |
| Geography by Picture - B | 0 | - | 4.42 | 55,758 |
| Geography by Picture - H | 0 | - | 4.50 | 58,357 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,130 |
| Geography by Picture - T | 0 | - | 4.54 | 57,981 |
| Flags to Languages | 0 | - | 4.95 | 174,405 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,175 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,969 |
| Original 151 Pokémon | 0 | - | 4.96 | 796,698 |
| Name that Object #2 | 0 | - | 3.63 | 15,511 |
| Name that Object #3 | 0 | - | 3.93 | 14,451 |
| Pokémon by Picture | 0 | - | 4.38 | 75,013 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,814 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,124 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,387 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,491 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,641 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,365 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,748 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,246 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,582 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,433 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,907 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,283 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,554 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,640 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,190 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,913 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,837 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,670 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 135,282 |
| Name that Bug | 0 | - | 4.12 | 45,625 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,490 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,239 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,953 |
| Elements by Picture | 0 | - | 4.27 | 70,279 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,501 |
| Islands by Picture | 0 | - | 4.28 | 107,682 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,432 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,973 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,977 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,454 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,380 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,185 |
| International Footballers by Picture | 0 | - | 4.51 | 56,315 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,857 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,461 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,148 |
| Geography by Picture - A | 0 | - | 4.39 | 60,408 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,150 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,574 |
| Geography by Picture - K | 0 | - | 4.29 | 33,230 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,113 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,547 |
| Geography by Picture - S | 0 | - | 4.38 | 47,166 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,897 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Satellite Images #1 | 0 | - | 4.47 | 129,928 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,619 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,176 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,189 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,175 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,500 |
| Soccer Team Logos | 0 | - | 4.26 | 377,228 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,633 |
| Movie Logos | 0 | - | 4.33 | 240,129 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,062 |
| History by Picture - A | 0 | - | 4.26 | 46,105 |
| History by Picture - B | 0 | - | 4.40 | 49,295 |
| History by Picture - C | 0 | - | 4.33 | 54,827 |
| History by Picture - F | 0 | - | 4.35 | 38,153 |
| History by Picture - G | 0 | - | 4.40 | 42,388 |
| History by Picture - D | 0 | - | 4.29 | 44,614 |
| History by Picture - E | 0 | - | 4.25 | 44,193 |
| History by Picture - H | 0 | - | 4.37 | 37,038 |
| History by Picture - K | 0 | - | 4.35 | 33,573 |
| History by Picture - M | 0 | - | 4.17 | 36,358 |
| History by Picture - N | 0 | - | 4.40 | 41,494 |
| History by Picture - O | 0 | - | 4.39 | 36,522 |
| History by Picture - T | 0 | - | 4.20 | 33,511 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,607 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 30,214 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,580 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,318 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,333 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,758 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,812 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,685 |
| Foods by Picture | 0 | - | 3.81 | 226,509 |
| Flowers by Picture | 0 | - | 4.46 | 105,835 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,637 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,936 |
| Christmas by Picture | 0 | - | 4.26 | 28,226 |
| Hats by Picture | 0 | - | 4.21 | 18,013 |
| Weapons by Picture | 0 | - | 4.13 | 21,166 |
| Cars by Picture | 0 | - | 3.89 | 41,782 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,370 |
| Authors by Picture | 0 | - | 4.48 | 25,620 |
| Plants by Picture | 0 | - | 4.24 | 14,519 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,803 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,164 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,122 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,304 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,447 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,263 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,027 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,821 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,467 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,322 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,004 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,531 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,739 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,717 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,638 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,348 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,076 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,731 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,784 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,029 |
| Women in History by Picture | 0 | - | 4.25 | 26,018 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,336 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,843 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,526 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,961 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,957 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,871 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,272 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,507 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,475 |
| Geography by Picture - E | 0 | - | 3.55 | 47,477 |
| Landforms by Picture | 0 | - | 4.31 | 20,740 |
| Geography by Picture - I | 0 | - | 4.00 | 39,520 |
| Geography by Picture - O | 0 | - | 4.01 | 28,229 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,194 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,591 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,613 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,909 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,198 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,920 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,541 |
| Airline Logos | 0 | - | 4.45 | 141,351 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,336 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,816 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,443 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,193 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,557 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,122 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,825 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,067 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,645 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,389 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,829 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,561 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,089 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,269 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,098 |
| History by Picture - I | 0 | - | 4.24 | 26,419 |
| History by Picture - J | 0 | - | 4.18 | 26,911 |
| History by Picture - L | 0 | - | 4.18 | 30,984 |
| History by Picture - P | 0 | - | 4.08 | 25,456 |
| History by Picture - Q | 0 | - | 4.03 | 22,236 |
