| Former Countries by Territory Map | 0 | - | 4.96 | 102,754 |
| Empires by Maps | 0 | - | 4.98 | 120,359 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,458 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,248 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,254 |
| Play-Doh People from History | 0 | - | 4.99 | 94,757 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,010 |
| Where Are These Doors? | 0 | - | 4.45 | 29,986 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,354 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,511 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,568 |
| All Country Flags of the World | 0 | - | 5.00 | 3,660,460 |
| Years in History by Picture | 0 | - | 4.44 | 35,499 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,883 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,644 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,639 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,257 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,534 |
| Name that Object #1 | 0 | - | 3.57 | 96,496 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,469 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,486 |
| Flags with Crescents | 0 | - | 4.98 | 169,460 |
| Country Flag Trivia | 0 | - | 4.81 | 56,979 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,692 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,455 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,346 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,247 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,198 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,475 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,766 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,153 |
| National Football Team Logos | 0 | - | 4.85 | 180,303 |
| Old Movies by Picture | 0 | - | 4.51 | 25,091 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,017 |
| Random Logos Quiz | 0 | - | 4.31 | 208,376 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,420 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,034 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,969 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,590 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,798 |
| Fruits by Picture | 0 | - | 4.19 | 807,184 |
| Geography by Picture - B | 0 | - | 4.42 | 55,595 |
| Geography by Picture - H | 0 | - | 4.50 | 58,219 |
| Geography by Picture - N | 0 | - | 4.45 | 42,198 |
| Geography by Picture - R | 0 | - | 4.56 | 41,019 |
| Geography by Picture - T | 0 | - | 4.54 | 57,835 |
| Flags to Languages | 0 | - | 4.95 | 173,598 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,028 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,514 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,057 |
| Name that Object #2 | 0 | - | 3.64 | 15,442 |
| Name that Object #3 | 0 | - | 3.93 | 14,398 |
| Pokémon by Picture | 0 | - | 4.38 | 73,846 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,390 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,464 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,991 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,793 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,493 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,167 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,567 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,051 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,462 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,307 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,771 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,128 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,392 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,499 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,057 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,787 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,688 |
| Name that Bug | 0 | - | 4.12 | 45,558 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,351 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,943 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,680 |
| Elements by Picture | 0 | - | 4.27 | 69,929 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,311 |
| Islands by Picture | 0 | - | 4.29 | 106,912 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,260 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,200 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,815 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,631 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,219 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,791 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,011 |
| International Footballers by Picture | 0 | - | 4.50 | 55,590 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,497 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,627 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,794 |
| Geography by Picture - A | 0 | - | 4.39 | 60,243 |
| Geography by Picture - D | 0 | - | 4.15 | 45,650 |
| Geography by Picture - F | 0 | - | 4.31 | 50,995 |
| Geography by Picture - G | 0 | - | 4.38 | 47,942 |
| Geography by Picture - J | 0 | - | 4.16 | 38,459 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,065 |
| Geography by Picture - L | 0 | - | 4.37 | 58,952 |
| Geography by Picture - M | 0 | - | 4.14 | 40,454 |
| Geography by Picture - P | 0 | - | 4.24 | 42,431 |
| Geography by Picture - S | 0 | - | 4.38 | 47,037 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,355 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Satellite Images #1 | 0 | - | 4.47 | 129,359 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,295 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,902 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,914 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,975 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,972 |
| Soccer Team Logos | 0 | - | 4.26 | 374,384 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 180,366 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,832 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,939 |
| Movie Logos | 0 | - | 4.33 | 238,383 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,796 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,281 |
| History by Picture - A | 0 | - | 4.26 | 45,810 |
| History by Picture - B | 0 | - | 4.40 | 48,967 |
| History by Picture - C | 0 | - | 4.36 | 54,496 |
| History by Picture - F | 0 | - | 4.35 | 37,895 |
| History by Picture - G | 0 | - | 4.40 | 42,156 |
| History by Picture - D | 0 | - | 4.29 | 44,326 |
| History by Picture - E | 0 | - | 4.25 | 43,946 |
| History by Picture - H | 0 | - | 4.37 | 36,809 |
| History by Picture - K | 0 | - | 4.35 | 33,368 |
| History by Picture - M | 0 | - | 4.17 | 36,157 |
| History by Picture - N | 0 | - | 4.40 | 41,277 |
| History by Picture - O | 0 | - | 4.39 | 36,326 |
| History by Picture - T | 0 | - | 4.20 | 33,322 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,278 |
| Oscar Best Animated Films by Picture | 0 | - | 4.74 | 112,122 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,768 |
| Simpsons Characters by Picture | 0 | - | 4.42 | 21,857 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,510 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,422,025 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,095 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,287 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,901 |
| Foods by Picture | 0 | - | 3.81 | 226,083 |
| Flowers by Picture | 0 | - | 4.46 | 105,634 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,376 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,736 |
| Christmas by Picture | 0 | - | 4.26 | 28,166 |
| Hats by Picture | 0 | - | 4.21 | 17,965 |
| Weapons by Picture | 0 | - | 4.13 | 21,053 |
| Cars by Picture | 0 | - | 3.89 | 41,499 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,298 |
| Authors by Picture | 0 | - | 4.48 | 25,533 |
| Plants by Picture | 0 | - | 4.24 | 14,445 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,247 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,425 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,758 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,808 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,951 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,846 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,531 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,433 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,110 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,122 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,618 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,228 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,172 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,413 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,416 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,181 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,714 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,425 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,431 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,560 |
| Women in History by Picture | 0 | - | 4.25 | 25,917 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,158 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,773 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,305 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,104 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,283 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,707 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,384 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,871 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,969 |
| Geography by Picture - E | 0 | - | 3.55 | 47,375 |
| Landforms by Picture | 0 | - | 4.31 | 20,671 |
| Geography by Picture - I | 0 | - | 4.00 | 39,424 |
| Geography by Picture - O | 0 | - | 4.01 | 28,139 |
| Emoji Flags | 0 | - | 4.35 | 44,079 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,856 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,973 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,390 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,384 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,699 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,809 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,451 |
| Airline Logos | 0 | - | 4.45 | 140,687 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,340 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,020 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,585 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,966 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,518 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,126 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,643 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,490 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,215 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,695 |
