| Former Countries by Territory Map | 0 | - | 4.96 | 102,408 |
| Empires by Maps | 0 | - | 4.98 | 119,767 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,528 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,162 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,744 |
| Play-Doh People from History | 0 | - | 4.99 | 94,474 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,367 |
| All Country Flags of the World | 0 | - | 5.00 | 3,640,544 |
| Years in History by Picture | 0 | - | 4.44 | 35,398 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,665 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,160 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,900 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,109 |
| Name that Object #1 | 0 | - | 3.57 | 96,448 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,282 |
| Flags with Crescents | 0 | - | 4.98 | 168,814 |
| Country Flag Trivia | 0 | - | 4.81 | 56,645 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,248 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,114 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,847 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,998 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,898 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,526 |
| National Football Team Logos | 0 | - | 4.85 | 179,791 |
| Old Movies by Picture | 0 | - | 4.51 | 25,023 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,904 |
| Random Logos Quiz | 0 | - | 4.31 | 207,943 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,320 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,937 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,839 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,503 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,709 |
| Fruits by Picture | 0 | - | 4.19 | 806,331 |
| Geography by Picture - B | 0 | - | 4.42 | 55,534 |
| Geography by Picture - H | 0 | - | 4.50 | 58,159 |
| Geography by Picture - N | 0 | - | 4.45 | 42,148 |
| Geography by Picture - R | 0 | - | 4.56 | 40,965 |
| Geography by Picture - T | 0 | - | 4.54 | 57,777 |
| Flags to Languages | 0 | - | 4.95 | 173,232 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,507 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,318 |
| Original 151 Pokémon | 0 | - | 4.96 | 788,338 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,777 |
| Name that Object #2 | 0 | - | 3.64 | 15,412 |
| Name that Object #3 | 0 | - | 3.93 | 14,369 |
| Pokémon by Picture | 0 | - | 4.40 | 73,355 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,211 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,850 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,810 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,694 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,417 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,072 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,484 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,958 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,403 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,232 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,710 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,057 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,326 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,446 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,983 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,737 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,619 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,182 |
| Name that Bug | 0 | - | 4.12 | 45,518 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,282 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,834 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,579 |
| Elements by Picture | 0 | - | 4.27 | 69,791 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,259 |
| Islands by Picture | 0 | - | 4.29 | 106,581 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,197 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,285 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,507 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,491 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,125 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,567 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,922 |
| International Footballers by Picture | 0 | - | 4.50 | 55,284 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,947 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,326 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,652 |
| Geography by Picture - A | 0 | - | 4.39 | 60,171 |
| Geography by Picture - D | 0 | - | 4.15 | 45,590 |
| Geography by Picture - F | 0 | - | 4.31 | 50,927 |
| Geography by Picture - G | 0 | - | 4.38 | 47,897 |
| Geography by Picture - J | 0 | - | 4.16 | 38,410 |
| Geography by Picture - K | 0 | - | 4.29 | 33,082 |
| Geography by Picture - C | 0 | - | 4.31 | 57,011 |
| Geography by Picture - L | 0 | - | 4.37 | 58,877 |
| Geography by Picture - M | 0 | - | 4.14 | 40,408 |
| Geography by Picture - P | 0 | - | 4.24 | 42,383 |
| Geography by Picture - S | 0 | - | 4.38 | 46,994 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,713 |
| Flag Maths | 0 | - | 4.64 | 57,731 |
| Satellite Images #1 | 0 | - | 4.46 | 129,244 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,197 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,824 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,829 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,912 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,760 |
| Soccer Team Logos | 0 | - | 4.26 | 373,195 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,868 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,019 |
| Movie Logos | 0 | - | 4.33 | 237,563 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,413 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,953 |
| History by Picture - A | 0 | - | 4.25 | 45,701 |
| History by Picture - B | 0 | - | 4.40 | 48,855 |
| History by Picture - C | 0 | - | 4.36 | 54,373 |
| History by Picture - F | 0 | - | 4.35 | 37,802 |
| History by Picture - G | 0 | - | 4.40 | 42,068 |
| History by Picture - D | 0 | - | 4.29 | 44,231 |
| History by Picture - E | 0 | - | 4.27 | 43,842 |
| History by Picture - H | 0 | - | 4.37 | 36,728 |
| History by Picture - K | 0 | - | 4.35 | 33,296 |
| History by Picture - M | 0 | - | 4.17 | 36,090 |
| History by Picture - N | 0 | - | 4.40 | 41,184 |
| History by Picture - O | 0 | - | 4.39 | 36,245 |
| History by Picture - T | 0 | - | 4.20 | 33,255 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,126 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,867 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,395 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,171 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,415,217 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,860 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,078 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,572 |
| Foods by Picture | 0 | - | 3.81 | 225,876 |
| Flowers by Picture | 0 | - | 4.46 | 105,538 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,238 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,659 |
| Christmas by Picture | 0 | - | 4.25 | 28,142 |
| Hats by Picture | 0 | - | 4.21 | 17,942 |
| Weapons by Picture | 0 | - | 4.13 | 21,005 |
| Cars by Picture | 0 | - | 3.89 | 41,355 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,277 |
| Authors by Picture | 0 | - | 4.48 | 25,494 |
| Plants by Picture | 0 | - | 4.24 | 14,405 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,987 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,850 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,535 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,575 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,757 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,726 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,374 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,259 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,005 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,059 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,456 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,112 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,000 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,277 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,315 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,083 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,540 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,254 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,224 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,043 |
| Women in History by Picture | 0 | - | 4.25 | 25,862 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,069 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,734 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,866 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,781 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,038 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,220 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,038 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,616 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,758 |
| Geography by Picture - E | 0 | - | 3.55 | 47,337 |
| Landforms by Picture | 0 | - | 4.31 | 20,635 |
| Geography by Picture - I | 0 | - | 4.00 | 39,378 |
| Geography by Picture - O | 0 | - | 4.01 | 28,101 |
| Emoji Flags | 0 | - | 4.35 | 43,978 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,732 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,707 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,348 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,185 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,493 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,759 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,946 |
| Airline Logos | 0 | - | 4.45 | 140,428 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,864 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,579 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,305 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,746 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,260 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,828 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,449 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,417 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,138 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,632 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,385 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,901 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,097 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,939 |
| History by Picture - I | 0 | - | 4.26 | 26,160 |
| History by Picture - J | 0 | - | 4.18 | 26,680 |
| History by Picture - L | 0 | - | 4.18 | 30,717 |
| History by Picture - P | 0 | - | 4.08 | 25,249 |
