| Birds by Picture #1 | 0 | - | 4.47 | 41,926 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,717 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,791 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,597 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,879 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,401 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,214 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,389 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,785 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,732 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,723 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,380 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,244 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,431 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,121 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,560 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,727 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,779 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,867 |
| Element... or Pokémon? | 0 | - | 4.98 | 132,540 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,655 |
| Name that Bug | 0 | - | 4.12 | 45,606 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,502 |
| Name the Cat Flags | 0 | - | 5.00 | 40,487 |
| Animals of Australia | 0 | - | 4.52 | 42,428 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,418 |
| Empires by Maps | 0 | - | 4.98 | 121,407 |
| All Country Flags of the World | 0 | - | 5.00 | 3,696,283 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,003 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,430 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,346 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,022 |
| Play-Doh People from History | 0 | - | 4.99 | 95,295 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,404 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,810 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,895 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,906 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,823 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,663 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,364 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,975 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,719 |
| National Animals | 0 | - | 4.24 | 90,146 |
| Pokémon by Picture | 0 | - | 4.38 | 74,684 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,861 |
| Flags with Crescents | 0 | - | 4.98 | 170,812 |
| Country Flag Trivia | 0 | - | 4.81 | 57,694 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,517 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,098 |
| Flags to Languages | 0 | - | 4.95 | 174,216 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,187 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,701 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,724 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,855 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,288 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,307 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,345 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,882 |
| National Football Team Logos | 0 | - | 4.85 | 181,282 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,879 |
| Disney Animals | 0 | - | 4.27 | 240,425 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,107 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,402 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,508 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,419 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,729 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,554 |
| Years in History by Picture | 0 | - | 4.44 | 35,686 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,429 |
| Where Are These Doors? | 0 | - | 4.45 | 30,143 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,242 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,642 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,149 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,765 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,302 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,480 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,273 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,937 |
| Animals in the Bible | 0 | - | 4.83 | 36,898 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,828 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,425 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,797 |
| Fruits by Picture | 0 | - | 4.19 | 808,569 |
| Old Movies by Picture | 0 | - | 4.51 | 25,194 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,229 |
| Name that Object #1 | 0 | - | 3.57 | 96,564 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,004 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,145 |
| International Footballers by Picture | 0 | - | 4.51 | 56,155 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,525 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,249 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,070 |
| Geography by Picture - B | 0 | - | 4.42 | 55,723 |
| Geography by Picture - H | 0 | - | 4.50 | 58,327 |
| Geography by Picture - N | 0 | - | 4.45 | 42,296 |
| Geography by Picture - R | 0 | - | 4.56 | 41,103 |
| Geography by Picture - T | 0 | - | 4.54 | 57,947 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,529 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,357 |
| Flag Maths | 0 | - | 4.61 | 57,812 |
| Satellite Images #1 | 0 | - | 4.47 | 129,580 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,478 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,061 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,080 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,093 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,410 |
| Soccer Team Logos | 0 | - | 4.26 | 376,564 |
| Random Logos Quiz | 0 | - | 4.33 | 209,068 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,937 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,246 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,887 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,571 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,212 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,171 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,739 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,937 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,548 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,094 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,996 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,774 |
| Animals in World History | 0 | - | 4.74 | 44,625 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,418 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,277 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,611 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,597 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,641 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,695 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,511 |
| Foods by Picture | 0 | - | 3.81 | 226,413 |
| Flowers by Picture | 0 | - | 4.46 | 105,798 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,461 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,582 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,898 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,134 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,845 |
| Christmas by Picture | 0 | - | 4.26 | 28,214 |
| Elements by Picture | 0 | - | 4.27 | 70,185 |
| Hats by Picture | 0 | - | 4.21 | 18,004 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,446 |
| Weapons by Picture | 0 | - | 4.13 | 21,131 |
| Cars by Picture | 0 | - | 3.89 | 41,716 |
| Authors by Picture | 0 | - | 4.48 | 25,600 |
| Plants by Picture | 0 | - | 4.24 | 14,500 |
| Islands by Picture | 0 | - | 4.28 | 107,509 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,630 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,403 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,050 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,195 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,448 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,368 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,186 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,607 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,976 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,650 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,585 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,309 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,986 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,655 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,701 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,925 |
| Women in History by Picture | 0 | - | 4.25 | 25,991 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,805 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,961 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,298 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,218 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,733 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,798 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,639 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,095 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,396 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,384 |
| Geography by Picture - E | 0 | - | 3.55 | 47,462 |
| Geography by Picture - A | 0 | - | 4.39 | 60,379 |
| Geography by Picture - D | 0 | - | 4.15 | 45,746 |
| Landforms by Picture | 0 | - | 4.31 | 20,729 |
| Geography by Picture - F | 0 | - | 4.31 | 51,125 |
| Geography by Picture - G | 0 | - | 4.39 | 48,044 |
| Geography by Picture - I | 0 | - | 4.00 | 39,500 |
| Geography by Picture - J | 0 | - | 4.16 | 38,553 |
| Geography by Picture - K | 0 | - | 4.29 | 33,212 |
| Geography by Picture - C | 0 | - | 4.31 | 57,180 |
| Geography by Picture - L | 0 | - | 4.37 | 59,084 |
| Geography by Picture - M | 0 | - | 4.14 | 40,543 |
| Geography by Picture - P | 0 | - | 4.24 | 42,525 |
| Geography by Picture - O | 0 | - | 4.01 | 28,206 |
| Geography by Picture - S | 0 | - | 4.38 | 47,136 |
| Emoji Flags | 0 | - | 4.35 | 44,223 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,072 |
| Select the World Flags | 0 | - | 4.27 | 37,904 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,121 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,422 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,506 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,785 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,099 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,895 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,289 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,103 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,013 |
| Places by City - Tile Select | 0 | - | 4.48 | 19,387 |
| Airline Logos | 0 | - | 4.45 | 141,213 |
