| Birds by Picture #1 | 0 | - | 4.47 | 41,927 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,718 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,799 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,600 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,881 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,404 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,215 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,390 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,789 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,734 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,723 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,381 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,245 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,433 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,123 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,560 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,730 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,781 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,868 |
| Element... or Pokémon? | 0 | - | 4.98 | 132,553 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,656 |
| Name that Bug | 0 | - | 4.12 | 45,607 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,502 |
| Name the Cat Flags | 0 | - | 5.00 | 40,489 |
| Animals of Australia | 0 | - | 4.52 | 42,430 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,423 |
| Empires by Maps | 0 | - | 4.98 | 121,411 |
| All Country Flags of the World | 0 | - | 5.00 | 3,696,646 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,008 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,432 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,347 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,031 |
| Play-Doh People from History | 0 | - | 4.99 | 95,298 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,408 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,819 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,900 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,914 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,875 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,695 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,379 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,976 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,719 |
| National Animals | 0 | - | 4.24 | 90,148 |
| Pokémon by Picture | 0 | - | 4.38 | 74,698 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,863 |
| Flags with Crescents | 0 | - | 4.98 | 170,828 |
| Country Flag Trivia | 0 | - | 4.81 | 57,702 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,531 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,108 |
| Flags to Languages | 0 | - | 4.95 | 174,220 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,199 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,704 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,728 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,856 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,289 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,313 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,349 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,900 |
| National Football Team Logos | 0 | - | 4.85 | 181,290 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,883 |
| Disney Animals | 0 | - | 4.27 | 240,428 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,109 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,405 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,509 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,420 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,731 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,556 |
| Years in History by Picture | 0 | - | 4.44 | 35,686 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,435 |
| Where Are These Doors? | 0 | - | 4.45 | 30,143 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,243 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,656 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,155 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,765 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,306 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,507 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,394 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,941 |
| Animals in the Bible | 0 | - | 4.83 | 36,902 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,829 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,426 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,801 |
| Fruits by Picture | 0 | - | 4.19 | 808,583 |
| Old Movies by Picture | 0 | - | 4.51 | 25,196 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,233 |
| Name that Object #1 | 0 | - | 3.57 | 96,564 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,011 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,146 |
| International Footballers by Picture | 0 | - | 4.51 | 56,156 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,537 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,253 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,072 |
| Geography by Picture - B | 0 | - | 4.42 | 55,725 |
| Geography by Picture - H | 0 | - | 4.50 | 58,329 |
| Geography by Picture - N | 0 | - | 4.45 | 42,297 |
| Geography by Picture - R | 0 | - | 4.56 | 41,104 |
| Geography by Picture - T | 0 | - | 4.54 | 57,950 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,546 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,359 |
| Flag Maths | 0 | - | 4.61 | 57,813 |
| Satellite Images #1 | 0 | - | 4.47 | 129,582 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,479 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,061 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,082 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,094 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,414 |
| Soccer Team Logos | 0 | - | 4.26 | 376,580 |
| Random Logos Quiz | 0 | - | 4.33 | 209,073 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,948 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,259 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,898 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,572 |
| 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 | 44,626 |
| 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 | 138,612 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,598 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,643 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,696 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,519 |
| Foods by Picture | 0 | - | 3.81 | 226,418 |
| Flowers by Picture | 0 | - | 4.46 | 105,800 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,462 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,585 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,898 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,136 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,846 |
| Christmas by Picture | 0 | - | 4.26 | 28,215 |
| Elements by Picture | 0 | - | 4.27 | 70,186 |
| Hats by Picture | 0 | - | 4.21 | 18,004 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,448 |
| Weapons by Picture | 0 | - | 4.13 | 21,131 |
| Cars by Picture | 0 | - | 3.89 | 41,718 |
| Authors by Picture | 0 | - | 4.48 | 25,601 |
| Plants by Picture | 0 | - | 4.24 | 14,500 |
| Islands by Picture | 0 | - | 4.28 | 107,509 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,636 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,406 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,051 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,200 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,448 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,371 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,189 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,628 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,982 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,651 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,586 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,310 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,987 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,660 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,705 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,927 |
| Women in History by Picture | 0 | - | 4.25 | 25,993 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,809 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,965 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,299 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,232 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,741 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,803 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,647 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,100 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,399 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,384 |
| Geography by Picture - E | 0 | - | 3.55 | 47,464 |
| Geography by Picture - A | 0 | - | 4.39 | 60,380 |
| Geography by Picture - D | 0 | - | 4.15 | 45,748 |
| Landforms by Picture | 0 | - | 4.31 | 20,730 |
| Geography by Picture - F | 0 | - | 4.31 | 51,127 |
| Geography by Picture - G | 0 | - | 4.39 | 48,045 |
| Geography by Picture - I | 0 | - | 4.00 | 39,503 |
| Geography by Picture - J | 0 | - | 4.16 | 38,556 |
| Geography by Picture - K | 0 | - | 4.29 | 33,214 |
| Geography by Picture - C | 0 | - | 4.31 | 57,182 |
| Geography by Picture - L | 0 | - | 4.37 | 59,087 |
| Geography by Picture - M | 0 | - | 4.14 | 40,545 |
| Geography by Picture - P | 0 | - | 4.24 | 42,526 |
| Geography by Picture - O | 0 | - | 4.01 | 28,208 |
| Geography by Picture - S | 0 | - | 4.38 | 47,137 |
| Emoji Flags | 0 | - | 4.35 | 44,225 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,072 |
| Select the World Flags | 0 | - | 4.27 | 37,905 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,122 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,427 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,506 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,791 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,105 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,895 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,296 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,105 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,013 |
| Places by City - Tile Select | 0 | - | 4.48 | 19,388 |
| Airline Logos | 0 | - | 4.45 | 141,214 |
