| Former Countries by Territory Map | 0 | - | 4.96 | 102,199 |
| Empires by Maps | 0 | - | 4.98 | 119,414 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,302 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,112 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,465 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,274 |
| All Country Flags of the World | 0 | - | 5.00 | 3,631,640 |
| Years in History by Picture | 0 | - | 4.44 | 35,327 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,539 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,461 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,898 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,544 |
| Name that Object #1 | 0 | - | 3.56 | 96,382 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,150 |
| Flags with Crescents | 0 | - | 4.98 | 168,500 |
| Country Flag Trivia | 0 | - | 4.81 | 56,454 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,026 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,951 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,588 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,863 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,737 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,412 |
| National Football Team Logos | 0 | - | 4.85 | 179,548 |
| Old Movies by Picture | 0 | - | 4.51 | 24,971 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,837 |
| Random Logos Quiz | 0 | - | 4.31 | 207,712 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,266 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,874 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,765 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,444 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,659 |
| Fruits by Picture | 0 | - | 4.20 | 805,957 |
| Geography by Picture - B | 0 | - | 4.42 | 55,506 |
| Geography by Picture - H | 0 | - | 4.50 | 58,123 |
| Geography by Picture - N | 0 | - | 4.45 | 42,116 |
| Geography by Picture - R | 0 | - | 4.56 | 40,942 |
| Geography by Picture - T | 0 | - | 4.54 | 57,753 |
| Flags to Languages | 0 | - | 4.95 | 173,051 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,189 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,212 |
| Original 151 Pokémon | 0 | - | 4.95 | 787,503 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,635 |
| Name that Object #2 | 0 | - | 3.64 | 15,367 |
| Name that Object #3 | 0 | - | 3.93 | 14,337 |
| Pokémon by Picture | 0 | - | 4.40 | 73,094 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,124 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,557 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,719 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,624 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,374 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,030 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,444 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,923 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,373 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,194 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,673 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,022 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,289 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,407 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,953 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,708 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,583 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,023 |
| Name that Bug | 0 | - | 4.12 | 45,502 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,255 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,789 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,542 |
| Elements by Picture | 0 | - | 4.27 | 69,744 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,233 |
| Islands by Picture | 0 | - | 4.29 | 106,407 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,170 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,205 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,360 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,444 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,072 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,458 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,889 |
| International Footballers by Picture | 0 | - | 4.50 | 55,174 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,689 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,182 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,581 |
| Geography by Picture - A | 0 | - | 4.39 | 60,140 |
| Geography by Picture - D | 0 | - | 4.15 | 45,565 |
| Geography by Picture - F | 0 | - | 4.31 | 50,901 |
| Geography by Picture - G | 0 | - | 4.38 | 47,870 |
| Geography by Picture - J | 0 | - | 4.16 | 38,389 |
| Geography by Picture - K | 0 | - | 4.29 | 33,063 |
| Geography by Picture - C | 0 | - | 4.31 | 56,993 |
| Geography by Picture - L | 0 | - | 4.37 | 58,852 |
| Geography by Picture - M | 0 | - | 4.14 | 40,390 |
| Geography by Picture - P | 0 | - | 4.24 | 42,361 |
| Geography by Picture - S | 0 | - | 4.38 | 46,973 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,389 |
| Flag Maths | 0 | - | 4.64 | 57,711 |
| Satellite Images #1 | 0 | - | 4.46 | 129,185 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,149 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,784 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,787 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,890 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,666 |
| Soccer Team Logos | 0 | - | 4.26 | 372,616 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,250 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,609 |
| Movie Logos | 0 | - | 4.33 | 237,131 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,246 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,794 |
| History by Picture - A | 0 | - | 4.25 | 45,649 |
| History by Picture - B | 0 | - | 4.40 | 48,797 |
| History by Picture - C | 0 | - | 4.36 | 54,311 |
| History by Picture - F | 0 | - | 4.35 | 37,763 |
| History by Picture - G | 0 | - | 4.40 | 42,021 |
| History by Picture - D | 0 | - | 4.29 | 44,183 |
| History by Picture - E | 0 | - | 4.27 | 43,802 |
| History by Picture - H | 0 | - | 4.37 | 36,688 |
| History by Picture - K | 0 | - | 4.35 | 33,248 |
| History by Picture - M | 0 | - | 4.17 | 36,046 |
| History by Picture - N | 0 | - | 4.40 | 41,144 |
| History by Picture - O | 0 | - | 4.39 | 36,200 |
| History by Picture - T | 0 | - | 4.20 | 33,224 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,052 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,824 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,236 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,018 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,411,854 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,761 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,002 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,422 |
| Foods by Picture | 0 | - | 3.81 | 225,779 |
| Flowers by Picture | 0 | - | 4.46 | 105,134 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,184 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,631 |
| Christmas by Picture | 0 | - | 4.25 | 28,130 |
| Hats by Picture | 0 | - | 4.21 | 17,931 |
| Weapons by Picture | 0 | - | 4.13 | 20,980 |
| Cars by Picture | 0 | - | 3.89 | 41,278 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,262 |
| Authors by Picture | 0 | - | 4.48 | 25,472 |
| Plants by Picture | 0 | - | 4.24 | 14,389 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,857 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,175 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,419 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,482 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,661 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,657 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,311 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,172 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,941 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,029 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,383 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,058 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,897 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,221 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,269 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,042 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,476 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,198 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,154 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,929 |
| Women in History by Picture | 0 | - | 4.25 | 25,830 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,033 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,715 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,657 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,625 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,919 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,929 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,841 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,460 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,641 |
| Geography by Picture - E | 0 | - | 3.55 | 47,322 |
| Landforms by Picture | 0 | - | 4.31 | 20,621 |
| Geography by Picture - I | 0 | - | 4.00 | 39,359 |
| Emoji Flags | 0 | - | 4.35 | 43,937 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,661 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,559 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,321 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,075 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,400 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,731 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,756 |
| Airline Logos | 0 | - | 4.45 | 140,310 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,601 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,403 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,165 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,627 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,123 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,672 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,336 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,382 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,100 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,602 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,356 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,866 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,066 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,912 |
| History by Picture - I | 0 | - | 4.26 | 26,132 |
| History by Picture - J | 0 | - | 4.18 | 26,647 |
| History by Picture - L | 0 | - | 4.18 | 30,678 |
| History by Picture - P | 0 | - | 4.08 | 25,222 |
| History by Picture - Q | 0 | - | 4.03 | 22,008 |
| History by Picture - R | 0 | - | 4.13 | 26,759 |
