| Former Countries by Territory Map | 0 | - | 4.96 | 103,200 |
| Empires by Maps | 0 | - | 4.98 | 121,065 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,454 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,373 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,784 |
| Play-Doh People from History | 0 | - | 4.99 | 95,125 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,800 |
| All Country Flags of the World | 0 | - | 5.00 | 3,684,950 |
| Years in History by Picture | 0 | - | 4.44 | 35,636 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,130 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,925 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,679 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,673 |
| Name that Object #1 | 0 | - | 3.57 | 96,545 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,699 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,741 |
| Flags with Crescents | 0 | - | 4.98 | 170,435 |
| Country Flag Trivia | 0 | - | 4.81 | 57,456 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,236 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,898 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,892 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,540 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,545 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,113 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,102 |
| National Football Team Logos | 0 | - | 4.85 | 180,941 |
| Old Movies by Picture | 0 | - | 4.51 | 25,159 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,151 |
| Random Logos Quiz | 0 | - | 4.33 | 208,864 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,523 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,154 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,101 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,693 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,893 |
| Fruits by Picture | 0 | - | 4.19 | 808,158 |
| Geography by Picture - B | 0 | - | 4.42 | 55,686 |
| Geography by Picture - H | 0 | - | 4.50 | 58,294 |
| Geography by Picture - N | 0 | - | 4.45 | 42,262 |
| Geography by Picture - R | 0 | - | 4.56 | 41,082 |
| Geography by Picture - T | 0 | - | 4.54 | 57,912 |
| Flags to Languages | 0 | - | 4.95 | 173,991 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,666 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,741 |
| Original 151 Pokémon | 0 | - | 4.96 | 791,601 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,380 |
| Name that Object #2 | 0 | - | 3.64 | 15,472 |
| Name that Object #3 | 0 | - | 3.93 | 14,427 |
| Pokémon by Picture | 0 | - | 4.38 | 74,393 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,620 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,290 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,204 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,306 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,564 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,268 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,659 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,149 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,526 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,383 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,852 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,205 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,472 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,573 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,128 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,848 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,766 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,903 |
| Name that Bug | 0 | - | 4.12 | 45,596 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,431 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,074 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,790 |
| Elements by Picture | 0 | - | 4.27 | 70,113 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Islands by Picture | 0 | - | 4.28 | 107,317 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,352 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,632 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,812 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,354 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,078 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,103 |
| International Footballers by Picture | 0 | - | 4.51 | 55,965 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,198 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,076 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,986 |
| Geography by Picture - A | 0 | - | 4.39 | 60,334 |
| Geography by Picture - D | 0 | - | 4.15 | 45,716 |
| Geography by Picture - F | 0 | - | 4.31 | 51,082 |
| Geography by Picture - G | 0 | - | 4.39 | 48,012 |
| Geography by Picture - J | 0 | - | 4.16 | 38,520 |
| Geography by Picture - K | 0 | - | 4.29 | 33,180 |
| Geography by Picture - C | 0 | - | 4.31 | 57,141 |
| Geography by Picture - L | 0 | - | 4.37 | 59,057 |
| Geography by Picture - M | 0 | - | 4.14 | 40,515 |
| Geography by Picture - P | 0 | - | 4.24 | 42,492 |
| Geography by Picture - S | 0 | - | 4.38 | 47,097 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,162 |
| Flag Maths | 0 | - | 4.64 | 57,798 |
| Satellite Images #1 | 0 | - | 4.47 | 129,504 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,426 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,008 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,028 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,054 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,232 |
| Soccer Team Logos | 0 | - | 4.26 | 375,866 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,798 |
| Movie Logos | 0 | - | 4.33 | 239,302 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,715 |
| History by Picture - A | 0 | - | 4.26 | 45,975 |
| History by Picture - B | 0 | - | 4.40 | 49,153 |
| History by Picture - C | 0 | - | 4.36 | 54,672 |
| History by Picture - F | 0 | - | 4.35 | 38,026 |
| History by Picture - G | 0 | - | 4.40 | 42,276 |
| History by Picture - D | 0 | - | 4.29 | 44,472 |
| History by Picture - E | 0 | - | 4.25 | 44,075 |
| History by Picture - H | 0 | - | 4.37 | 36,916 |
| History by Picture - K | 0 | - | 4.35 | 33,474 |
| History by Picture - M | 0 | - | 4.17 | 36,247 |
| History by Picture - N | 0 | - | 4.40 | 41,383 |
| History by Picture - O | 0 | - | 4.39 | 36,420 |
| History by Picture - T | 0 | - | 4.20 | 33,411 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,452 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 30,107 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,173 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,911 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,846 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,528 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,597 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,318 |
| Foods by Picture | 0 | - | 3.81 | 226,319 |
| Flowers by Picture | 0 | - | 4.46 | 105,747 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,523 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,860 |
| Christmas by Picture | 0 | - | 4.26 | 28,205 |
| Hats by Picture | 0 | - | 4.21 | 17,995 |
| Weapons by Picture | 0 | - | 4.13 | 21,116 |
| Cars by Picture | 0 | - | 3.89 | 41,638 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,330 |
| Authors by Picture | 0 | - | 4.48 | 25,576 |
| Plants by Picture | 0 | - | 4.24 | 14,486 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,428 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,840 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,968 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,069 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,215 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,061 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,666 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,648 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,307 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,218 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,848 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,377 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,395 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,580 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,540 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,265 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,892 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,576 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,611 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,817 |
| Women in History by Picture | 0 | - | 4.25 | 25,970 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,247 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,813 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,940 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,560 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,658 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,363 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,878 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,234 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,251 |
| Geography by Picture - E | 0 | - | 3.55 | 47,436 |
| Landforms by Picture | 0 | - | 4.31 | 20,708 |
| Geography by Picture - I | 0 | - | 4.00 | 39,475 |
| Geography by Picture - O | 0 | - | 4.01 | 28,182 |
| Emoji Flags | 0 | - | 4.35 | 44,171 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,033 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,265 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,465 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,667 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,970 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,868 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,057 |
| Airline Logos | 0 | - | 4.45 | 141,060 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,889 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,445 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,158 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,936 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,293 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,839 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,489 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,883 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,563 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,303 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,759 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,507 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,024 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,208 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,052 |
| History by Picture - I | 0 | - | 4.24 | 26,334 |
| History by Picture - J | 0 | - | 4.18 | 26,831 |
| History by Picture - L | 0 | - | 4.18 | 30,881 |
| History by Picture - P | 0 | - | 4.08 | 25,371 |
