| Former Countries by Territory Map | 0 | - | 4.96 | 102,810 |
| Empires by Maps | 0 | - | 4.98 | 120,484 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,276 |
| Name that Object #1 | 0 | - | 3.57 | 96,504 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,368 |
| Play-Doh People from History | 0 | - | 4.99 | 94,804 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,623 |
| All Country Flags of the World | 0 | - | 5.00 | 3,664,818 |
| Years in History by Picture | 0 | - | 4.44 | 35,523 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,927 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,329 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,990 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,475 |
| Old Movies by Picture | 0 | - | 4.51 | 25,100 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,038 |
| Name that Object #2 | 0 | - | 3.64 | 15,451 |
| Name that Object #3 | 0 | - | 3.93 | 14,406 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,500 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,527 |
| Flags with Crescents | 0 | - | 4.98 | 169,617 |
| Country Flag Trivia | 0 | - | 4.81 | 57,052 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,788 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,527 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,450 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,281 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,250 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,827 |
| Random Logos Quiz | 0 | - | 4.31 | 208,467 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,597 |
| National Football Team Logos | 0 | - | 4.85 | 180,401 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,438 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,053 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,992 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,605 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,819 |
| Fruits by Picture | 0 | - | 4.19 | 807,321 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,236 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,849 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,133 |
| Flags to Languages | 0 | - | 4.95 | 173,652 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,506 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,183 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,582 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,069 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,471 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,319 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,783 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,142 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,405 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,511 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,072 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,798 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,707 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,543 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,594 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,183 |
| Name that Bug | 0 | - | 4.12 | 45,562 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,373 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,965 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,702 |
| Elements by Picture | 0 | - | 4.27 | 69,967 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,326 |
| Islands by Picture | 0 | - | 4.28 | 106,983 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,272 |
| Geography by Picture - A | 0 | - | 4.39 | 60,263 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,012 |
| Geography by Picture - G | 0 | - | 4.38 | 47,953 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,973 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,442 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,035 |
| Movie Logos | 0 | - | 4.33 | 238,522 |
| History by Picture - A | 0 | - | 4.26 | 45,828 |
| History by Picture - B | 0 | - | 4.40 | 49,008 |
| History by Picture - C | 0 | - | 4.36 | 54,520 |
| History by Picture - F | 0 | - | 4.35 | 37,917 |
| History by Picture - G | 0 | - | 4.40 | 42,172 |
| History by Picture - D | 0 | - | 4.29 | 44,342 |
| History by Picture - E | 0 | - | 4.25 | 43,961 |
| History by Picture - H | 0 | - | 4.37 | 36,823 |
| History by Picture - K | 0 | - | 4.35 | 33,384 |
| History by Picture - M | 0 | - | 4.17 | 36,174 |
| History by Picture - N | 0 | - | 4.40 | 41,290 |
| History by Picture - O | 0 | - | 4.39 | 36,342 |
| History by Picture - T | 0 | - | 4.20 | 33,336 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,116 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,880 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,649 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,237 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,838 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,421 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,028 |
| International Footballers by Picture | 0 | - | 4.50 | 55,635 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,608 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,700 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,818 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,500 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,385 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,318 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,922 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,937 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,994 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,026 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,021 |
| Soccer Team Logos | 0 | - | 4.26 | 374,610 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,018 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,878 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,357 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,309 |
| Foods by Picture | 0 | - | 3.81 | 226,122 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,396 |
| Christmas by Picture | 0 | - | 4.26 | 28,176 |
| Hats by Picture | 0 | - | 4.21 | 17,968 |
| Weapons by Picture | 0 | - | 4.13 | 21,061 |
| Cars by Picture | 0 | - | 3.89 | 41,518 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,299 |
| Plants by Picture | 0 | - | 4.24 | 14,446 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,835 |
| Women in History by Picture | 0 | - | 4.25 | 25,926 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,781 |
| Geography by Picture - E | 0 | - | 3.55 | 47,388 |
| Landforms by Picture | 0 | - | 4.31 | 20,681 |
| Geography by Picture - I | 0 | - | 4.00 | 39,437 |
| Geography by Picture - O | 0 | - | 4.01 | 28,145 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,580 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,505 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,235 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,705 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,453 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,977 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,159 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,000 |
| History by Picture - I | 0 | - | 4.24 | 26,255 |
| History by Picture - J | 0 | - | 4.18 | 26,751 |
| History by Picture - L | 0 | - | 4.18 | 30,807 |
| History by Picture - P | 0 | - | 4.08 | 25,314 |
| History by Picture - Q | 0 | - | 4.03 | 22,100 |
| History by Picture - R | 0 | - | 4.13 | 26,869 |
| History by Picture - S | 0 | - | 4.14 | 27,811 |
| History by Picture - U | 0 | - | 4.24 | 25,157 |
| History by Picture - V | 0 | - | 4.30 | 25,133 |
| History by Picture - W | 0 | - | 4.01 | 21,663 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,132 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,334 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,960 |
| Flowers by Picture | 0 | - | 4.46 | 105,654 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,745 |
| Authors by Picture | 0 | - | 4.48 | 25,538 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,670 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,790 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,849 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,004 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,885 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,469 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,131 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,136 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,650 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,251 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,195 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,436 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,437 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,198 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,739 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,451 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,453 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,599 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,173 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,410 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,168 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,331 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,817 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,458 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,931 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,009 |
| Emoji Flags | 0 | - | 4.35 | 44,100 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,872 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,028 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,403 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,433 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,757 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,813 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,549 |
| Airline Logos | 0 | - | 4.45 | 140,740 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,258 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,421 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,081 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,654 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,028 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,582 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,194 |
