| Former Countries by Territory Map | 0 | - | 4.96 | 101,491 |
| Empires by Maps | 0 | - | 4.98 | 118,388 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,586 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,986 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,709 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,008 |
| All Country Flags of the World | 0 | - | 5.00 | 3,599,935 |
| Years in History by Picture | 0 | - | 4.44 | 35,090 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,198 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,928 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,194 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,518 |
| Name that Object #1 | 0 | - | 3.56 | 96,296 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,792 |
| Flags with Crescents | 0 | - | 4.98 | 167,486 |
| Country Flag Trivia | 0 | - | 4.81 | 55,891 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,361 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,426 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,864 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,426 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,352 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,001 |
| National Football Team Logos | 0 | - | 4.84 | 178,583 |
| Old Movies by Picture | 0 | - | 4.51 | 24,783 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,665 |
| Random Logos Quiz | 0 | - | 4.32 | 206,973 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,119 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,712 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,608 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,300 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,516 |
| Fruits by Picture | 0 | - | 4.20 | 804,536 |
| Geography by Picture - B | 0 | - | 4.42 | 55,403 |
| Geography by Picture - H | 0 | - | 4.49 | 58,038 |
| Geography by Picture - N | 0 | - | 4.45 | 42,044 |
| Geography by Picture - R | 0 | - | 4.55 | 40,874 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| Flags to Languages | 0 | - | 4.95 | 172,442 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,206 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,148 |
| Original 151 Pokémon | 0 | - | 4.95 | 785,042 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,234 |
| Name that Object #2 | 0 | - | 3.64 | 15,319 |
| Name that Object #3 | 0 | - | 3.93 | 14,298 |
| Pokémon by Picture | 0 | - | 4.38 | 72,386 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,813 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,440 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,407 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,804 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,272 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,906 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,324 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,797 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,290 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,101 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,575 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,915 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,175 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,316 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,857 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,602 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,466 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 133,398 |
| Name that Bug | 0 | - | 4.12 | 45,445 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,177 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,608 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,394 |
| Elements by Picture | 0 | - | 4.28 | 69,531 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,155 |
| Islands by Picture | 0 | - | 4.29 | 105,852 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,029 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,966 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,549 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,218 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,904 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,084 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,759 |
| International Footballers by Picture | 0 | - | 4.50 | 54,698 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,544 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,586 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,278 |
| Geography by Picture - A | 0 | - | 4.39 | 60,045 |
| Geography by Picture - D | 0 | - | 4.15 | 45,484 |
| Geography by Picture - F | 0 | - | 4.31 | 50,820 |
| Geography by Picture - G | 0 | - | 4.38 | 47,781 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,903 |
| Geography by Picture - L | 0 | - | 4.37 | 58,753 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,296 |
| Geography by Picture - S | 0 | - | 4.38 | 46,903 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,284 |
| Flag Maths | 0 | - | 4.78 | 57,672 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,996 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,975 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,640 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,642 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,801 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,340 |
| Soccer Team Logos | 0 | - | 4.26 | 370,639 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,080 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,142 |
| Movie Logos | 0 | - | 4.33 | 235,751 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,732 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,167 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,208 |
| History by Picture - A | 0 | - | 4.25 | 45,447 |
| History by Picture - B | 0 | - | 4.40 | 48,559 |
| History by Picture - C | 0 | - | 4.36 | 54,064 |
| History by Picture - F | 0 | - | 4.35 | 37,572 |
| History by Picture - G | 0 | - | 4.40 | 41,834 |
| History by Picture - D | 0 | - | 4.29 | 43,993 |
| History by Picture - E | 0 | - | 4.27 | 43,612 |
| History by Picture - H | 0 | - | 4.37 | 36,531 |
| History by Picture - K | 0 | - | 4.35 | 33,093 |
| History by Picture - M | 0 | - | 4.17 | 35,903 |
| History by Picture - N | 0 | - | 4.40 | 40,981 |
| History by Picture - O | 0 | - | 4.39 | 36,024 |
| History by Picture - T | 0 | - | 4.20 | 33,084 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,827 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,665 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,496 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,409 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,081 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,444 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,623 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,863 |
| Foods by Picture | 0 | - | 3.81 | 225,445 |
| Flowers by Picture | 0 | - | 4.46 | 105,000 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,982 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,525 |
| Christmas by Picture | 0 | - | 4.25 | 28,098 |
| Hats by Picture | 0 | - | 4.21 | 17,903 |
| Weapons by Picture | 0 | - | 4.13 | 20,879 |
| Cars by Picture | 0 | - | 3.89 | 41,070 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,223 |
| Authors by Picture | 0 | - | 4.48 | 25,390 |
| Plants by Picture | 0 | - | 4.24 | 14,332 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,428 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,501 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,032 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,159 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,341 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,386 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,065 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,874 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,757 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,888 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,092 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,846 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,412 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,999 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,113 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,914 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,232 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,976 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,919 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,555 |
| Women in History by Picture | 0 | - | 4.25 | 25,756 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,912 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,653 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,608 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,000 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,396 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,065 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,256 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,017 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,308 |
| Geography by Picture - E | 0 | - | 3.55 | 47,273 |
| Landforms by Picture | 0 | - | 4.31 | 20,570 |
| Geography by Picture - I | 0 | - | 4.00 | 39,311 |
| Emoji Flags | 0 | - | 4.35 | 43,805 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,111 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,233 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,727 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,076 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,667 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,941 |
| Airline Logos | 0 | - | 4.45 | 139,922 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,879 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,757 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,661 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,636 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,161 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,996 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,273 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,986 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,510 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,275 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,771 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,982 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,830 |
| History by Picture - I | 0 | - | 4.26 | 25,997 |
| History by Picture - J | 0 | - | 4.18 | 26,519 |
| History by Picture - L | 0 | - | 4.18 | 30,548 |
| History by Picture - P | 0 | - | 4.08 | 25,099 |
| History by Picture - Q | 0 | - | 4.03 | 21,911 |
| History by Picture - R | 0 | - | 4.13 | 26,624 |
| History by Picture - S | 0 | - | 4.14 | 27,579 |
