| Former Countries by Territory Map | 0 | - | 4.96 | 102,114 |
| Empires by Maps | 0 | - | 4.98 | 119,272 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,097 |
| Name that Object #1 | 0 | - | 3.56 | 96,358 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,356 |
| Play-Doh People from History | 0 | - | 4.99 | 94,265 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,238 |
| All Country Flags of the World | 0 | - | 5.00 | 3,628,400 |
| Years in History by Picture | 0 | - | 4.44 | 35,302 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,504 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,987 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,650 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,264 |
| Old Movies by Picture | 0 | - | 4.51 | 24,949 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,823 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,119 |
| Flags with Crescents | 0 | - | 4.98 | 168,377 |
| Country Flag Trivia | 0 | - | 4.81 | 56,362 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,933 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,879 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,487 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,810 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,692 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,354 |
| Random Logos Quiz | 0 | - | 4.31 | 207,623 |
| National Football Team Logos | 0 | - | 4.85 | 179,466 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,252 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,858 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,747 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,429 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,647 |
| Fruits by Picture | 0 | - | 4.20 | 805,826 |
| Geography by Picture - B | 0 | - | 4.42 | 55,494 |
| Geography by Picture - H | 0 | - | 4.50 | 58,110 |
| Geography by Picture - N | 0 | - | 4.45 | 42,107 |
| Geography by Picture - R | 0 | - | 4.56 | 40,932 |
| Geography by Picture - T | 0 | - | 4.54 | 57,745 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,098 |
| Flags to Languages | 0 | - | 4.95 | 172,978 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,366 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,022 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,429 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,909 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,366 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,185 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,667 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,014 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,275 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,399 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,943 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,697 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,572 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,188 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,456 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,281 |
| Name that Bug | 0 | - | 4.12 | 45,497 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,245 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,760 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,520 |
| Elements by Picture | 0 | - | 4.27 | 69,729 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Islands by Picture | 0 | - | 4.29 | 106,355 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,162 |
| Geography by Picture - A | 0 | - | 4.39 | 60,124 |
| Geography by Picture - D | 0 | - | 4.15 | 45,553 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,861 |
| Geography by Picture - J | 0 | - | 4.16 | 38,379 |
| Geography by Picture - K | 0 | - | 4.29 | 33,052 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,845 |
| Geography by Picture - M | 0 | - | 4.14 | 40,379 |
| Geography by Picture - P | 0 | - | 4.24 | 42,351 |
| Geography by Picture - S | 0 | - | 4.38 | 46,966 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,235 |
| Movie Logos | 0 | - | 4.33 | 237,007 |
| History by Picture - A | 0 | - | 4.25 | 45,635 |
| History by Picture - B | 0 | - | 4.40 | 48,774 |
| History by Picture - C | 0 | - | 4.36 | 54,287 |
| History by Picture - F | 0 | - | 4.35 | 37,749 |
| History by Picture - G | 0 | - | 4.40 | 42,011 |
| History by Picture - D | 0 | - | 4.29 | 44,168 |
| History by Picture - E | 0 | - | 4.27 | 43,790 |
| History by Picture - H | 0 | - | 4.37 | 36,680 |
| History by Picture - K | 0 | - | 4.35 | 33,236 |
| History by Picture - M | 0 | - | 4.17 | 36,031 |
| History by Picture - N | 0 | - | 4.40 | 41,127 |
| History by Picture - O | 0 | - | 4.39 | 36,189 |
| History by Picture - T | 0 | - | 4.20 | 33,206 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,598 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,173 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,312 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,423 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,058 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,424 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,092 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,874 |
| International Footballers by Picture | 0 | - | 4.50 | 55,123 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,588 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,120 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,560 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,287 |
| Flag Maths | 0 | - | 4.64 | 57,702 |
| Satellite Images #1 | 0 | - | 4.46 | 129,168 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,125 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,771 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,762 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,694 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,633 |
| Soccer Team Logos | 0 | - | 4.26 | 372,451 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,031 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,485 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,196 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,734 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,026 |
| Foods by Picture | 0 | - | 3.81 | 225,750 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,163 |
| Christmas by Picture | 0 | - | 4.25 | 28,126 |
| Hats by Picture | 0 | - | 4.21 | 17,923 |
| Weapons by Picture | 0 | - | 4.13 | 20,972 |
| Cars by Picture | 0 | - | 3.89 | 41,256 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,258 |
| Plants by Picture | 0 | - | 4.24 | 14,384 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,182 |
| Women in History by Picture | 0 | - | 4.25 | 25,825 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,709 |
| Geography by Picture - E | 0 | - | 3.55 | 47,314 |
| Landforms by Picture | 0 | - | 4.31 | 20,614 |
| Geography by Picture - I | 0 | - | 4.00 | 39,351 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,956 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,371 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,090 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,591 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,348 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,857 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,059 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,903 |
| History by Picture - I | 0 | - | 4.26 | 26,122 |
| History by Picture - J | 0 | - | 4.18 | 26,638 |
| History by Picture - L | 0 | - | 4.18 | 30,666 |
| History by Picture - P | 0 | - | 4.08 | 25,213 |
| History by Picture - Q | 0 | - | 4.03 | 22,002 |
| History by Picture - R | 0 | - | 4.13 | 26,752 |
| History by Picture - S | 0 | - | 4.14 | 27,695 |
| History by Picture - U | 0 | - | 4.24 | 25,025 |
| History by Picture - V | 0 | - | 4.30 | 25,001 |
| History by Picture - W | 0 | - | 4.01 | 21,563 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,738 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,980 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,370 |
| Flowers by Picture | 0 | - | 4.46 | 105,128 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,625 |
| Authors by Picture | 0 | - | 4.48 | 25,465 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,815 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,401 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,457 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,625 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,631 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,293 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,152 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,926 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,023 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,351 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,045 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,851 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,190 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,253 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,023 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,444 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,170 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,123 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,878 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,016 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,583 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,568 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,873 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,851 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,781 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,409 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,606 |
| Emoji Flags | 0 | - | 4.35 | 43,918 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,645 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,520 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,309 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,032 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,376 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,722 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,665 |
| Airline Logos | 0 | - | 4.45 | 140,271 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,410,907 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,541 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,357 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,114 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,584 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,083 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,622 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,296 |
| Vegetables by Picture | 0 | - | 4.39 | 63,091 |
