| Former Countries by Territory Map | 0 | - | 4.96 | 101,667 |
| Empires by Maps | 0 | - | 4.98 | 118,640 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,009 |
| Name that Object #1 | 0 | - | 3.56 | 96,318 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,880 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,075 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,407 |
| Years in History by Picture | 0 | - | 4.44 | 35,135 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,277 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,162 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,790 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,950 |
| Old Movies by Picture | 0 | - | 4.51 | 24,831 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,707 |
| Name that Object #2 | 0 | - | 3.64 | 15,336 |
| Name that Object #3 | 0 | - | 3.93 | 14,312 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,861 |
| Flags with Crescents | 0 | - | 4.98 | 167,689 |
| Country Flag Trivia | 0 | - | 4.81 | 55,995 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,510 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,529 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,007 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,514 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,433 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,095 |
| Random Logos Quiz | 0 | - | 4.32 | 207,120 |
| National Football Team Logos | 0 | - | 4.84 | 178,815 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,144 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,738 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,640 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,326 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,538 |
| Fruits by Picture | 0 | - | 4.20 | 804,833 |
| Geography by Picture - B | 0 | - | 4.42 | 55,429 |
| Geography by Picture - H | 0 | - | 4.49 | 58,063 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,692 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,422 |
| Flags to Languages | 0 | - | 4.95 | 172,588 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,294 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,940 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,350 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,823 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,312 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,123 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,601 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,938 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,193 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,336 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,879 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,630 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,497 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,161 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,647 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,572 |
| Name that Bug | 0 | - | 4.12 | 45,457 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,194 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,642 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,430 |
| Elements by Picture | 0 | - | 4.28 | 69,580 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,172 |
| Islands by Picture | 0 | - | 4.29 | 105,975 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,065 |
| Geography by Picture - A | 0 | - | 4.39 | 60,064 |
| Geography by Picture - D | 0 | - | 4.15 | 45,509 |
| Geography by Picture - F | 0 | - | 4.31 | 50,841 |
| Geography by Picture - G | 0 | - | 4.38 | 47,804 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,923 |
| Geography by Picture - L | 0 | - | 4.37 | 58,776 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,925 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,772 |
| Movie Logos | 0 | - | 4.33 | 236,081 |
| History by Picture - A | 0 | - | 4.25 | 45,478 |
| History by Picture - B | 0 | - | 4.40 | 48,604 |
| History by Picture - C | 0 | - | 4.36 | 54,106 |
| History by Picture - F | 0 | - | 4.35 | 37,604 |
| History by Picture - G | 0 | - | 4.40 | 41,871 |
| History by Picture - D | 0 | - | 4.29 | 44,027 |
| History by Picture - E | 0 | - | 4.27 | 43,646 |
| History by Picture - H | 0 | - | 4.37 | 36,558 |
| History by Picture - K | 0 | - | 4.35 | 33,123 |
| History by Picture - M | 0 | - | 4.17 | 35,933 |
| History by Picture - N | 0 | - | 4.40 | 41,019 |
| History by Picture - O | 0 | - | 4.39 | 36,063 |
| History by Picture - T | 0 | - | 4.20 | 33,112 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,336 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,022 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,952 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,274 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,945 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,163 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,894 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,789 |
| International Footballers by Picture | 0 | - | 4.50 | 54,824 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,794 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,698 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,327 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,523 |
| Flag Maths | 0 | - | 4.78 | 57,683 |
| Satellite Images #1 | 0 | - | 4.46 | 129,044 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,671 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,671 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,820 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,500 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,411 |
| Soccer Team Logos | 0 | - | 4.26 | 371,101 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,531 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,433 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,830 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,254 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,336 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,893 |
| Foods by Picture | 0 | - | 3.81 | 225,520 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,037 |
| Christmas by Picture | 0 | - | 4.25 | 28,106 |
| Hats by Picture | 0 | - | 4.21 | 17,907 |
| Weapons by Picture | 0 | - | 4.13 | 20,894 |
| Cars by Picture | 0 | - | 3.89 | 41,115 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,236 |
| Plants by Picture | 0 | - | 4.24 | 14,339 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,776 |
| Women in History by Picture | 0 | - | 4.25 | 25,771 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,664 |
| Geography by Picture - E | 0 | - | 3.55 | 47,286 |
| Landforms by Picture | 0 | - | 4.31 | 20,579 |
| Geography by Picture - I | 0 | - | 4.00 | 39,326 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,543 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,296 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,009 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,530 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,293 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,797 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,008 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,852 |
| History by Picture - I | 0 | - | 4.26 | 26,033 |
| History by Picture - J | 0 | - | 4.18 | 26,544 |
| History by Picture - L | 0 | - | 4.18 | 30,579 |
| History by Picture - P | 0 | - | 4.08 | 25,119 |
| History by Picture - Q | 0 | - | 4.03 | 21,931 |
| History by Picture - R | 0 | - | 4.13 | 26,656 |
| History by Picture - S | 0 | - | 4.14 | 27,604 |
| History by Picture - U | 0 | - | 4.24 | 24,956 |
| History by Picture - V | 0 | - | 4.30 | 24,927 |
| History by Picture - W | 0 | - | 4.01 | 21,505 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,512 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,715 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,010 |
| Flowers by Picture | 0 | - | 4.46 | 105,027 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Authors by Picture | 0 | - | 4.48 | 25,402 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,529 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,185 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,241 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,415 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,454 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,118 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,952 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,794 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,919 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,162 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,904 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,482 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,050 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,150 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,941 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,277 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,021 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,977 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,648 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,944 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,748 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,102 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,474 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,251 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,388 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,112 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,376 |
| Emoji Flags | 0 | - | 4.35 | 43,830 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,217 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,257 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,780 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,135 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,111 |
| Airline Logos | 0 | - | 4.45 | 140,005 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,650 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,056 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,908 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,781 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,741 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,249 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,060 |
| Vegetables by Picture | 0 | - | 4.39 | 62,895 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,879 |
