| Former Countries by Territory Map | 0 | - | 4.96 | 103,653 |
| Empires by Maps | 0 | - | 4.98 | 121,737 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,874 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,477 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,212 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,018 |
| All Country Flags of the World | 0 | - | 5.00 | 3,707,169 |
| Years in History by Picture | 0 | - | 4.44 | 35,737 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,349 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,686 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,596 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,051 |
| Name that Object #1 | 0 | - | 3.57 | 96,595 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,884 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,977 |
| Flags with Crescents | 0 | - | 4.98 | 171,153 |
| Country Flag Trivia | 0 | - | 4.81 | 57,883 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,763 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,313 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,429 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,847 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,885 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,413 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,601 |
| National Football Team Logos | 0 | - | 4.85 | 181,636 |
| Old Movies by Picture | 0 | - | 4.51 | 25,240 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,279 |
| Random Logos Quiz | 0 | - | 4.33 | 209,317 |
| 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 | 44,233 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,788 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,988 |
| Fruits by Picture | 0 | - | 4.19 | 808,971 |
| Geography by Picture - B | 0 | - | 4.42 | 55,759 |
| 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 | 116,181 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,970 |
| Original 151 Pokémon | 0 | - | 4.96 | 796,718 |
| Name that Object #2 | 0 | - | 3.63 | 15,511 |
| Name that Object #3 | 0 | - | 3.93 | 14,451 |
| Pokémon by Picture | 0 | - | 4.38 | 75,018 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,814 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,135 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,387 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,503 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,642 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,365 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,749 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,247 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,584 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,434 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,908 |
| 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 | 24,641 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,191 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,914 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,838 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,671 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 135,286 |
| 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 | 58,240 |
| 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 | 24,433 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,975 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,977 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,455 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,381 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,185 |
| International Footballers by Picture | 0 | - | 4.51 | 56,319 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,864 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,466 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,150 |
| 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 | 51,151 |
| 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 | 33,231 |
| 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 | 281,898 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Satellite Images #1 | 0 | - | 4.47 | 129,929 |
| 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 | 86,501 |
| Soccer Team Logos | 0 | - | 4.26 | 377,237 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,638 |
| Movie Logos | 0 | - | 4.33 | 240,138 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,063 |
| History by Picture - A | 0 | - | 4.26 | 46,106 |
| History by Picture - B | 0 | - | 4.40 | 49,296 |
| History by Picture - C | 0 | - | 4.33 | 54,829 |
| History by Picture - F | 0 | - | 4.35 | 38,153 |
| History by Picture - G | 0 | - | 4.40 | 42,390 |
| History by Picture - D | 0 | - | 4.29 | 44,615 |
| History by Picture - E | 0 | - | 4.25 | 44,193 |
| History by Picture - H | 0 | - | 4.37 | 37,041 |
| History by Picture - K | 0 | - | 4.35 | 33,575 |
| History by Picture - M | 0 | - | 4.17 | 36,361 |
| History by Picture - N | 0 | - | 4.40 | 41,495 |
| 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 | 30,215 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,581 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,322 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,379 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,761 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,813 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,688 |
| Foods by Picture | 0 | - | 3.81 | 226,510 |
| Flowers by Picture | 0 | - | 4.46 | 105,835 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,639 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,937 |
| Christmas by Picture | 0 | - | 4.26 | 28,226 |
| Hats by Picture | 0 | - | 4.21 | 18,014 |
| Weapons by Picture | 0 | - | 4.13 | 21,166 |
| Cars by Picture | 0 | - | 3.89 | 41,783 |
| 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 | 56,123 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,307 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,447 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,264 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,028 |
| 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 | 70,718 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,638 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,349 |
| 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 | 72,785 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,031 |
| 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 | 240,530 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,966 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,966 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,873 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,275 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,512 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,476 |
| 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 | 38,195 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,592 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,613 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,911 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,199 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,920 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,542 |
| Airline Logos | 0 | - | 4.45 | 141,353 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,341 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,819 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,443 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,196 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,561 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,123 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,826 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,068 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,645 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,390 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,830 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,562 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,090 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,270 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,099 |
| History by Picture - I | 0 | - | 4.24 | 26,421 |
| History by Picture - J | 0 | - | 4.18 | 26,912 |
| History by Picture - L | 0 | - | 4.18 | 30,987 |
| History by Picture - P | 0 | - | 4.08 | 25,456 |
| History by Picture - Q | 0 | - | 4.03 | 22,236 |
