| Former Countries by Territory Map | 0 | - | 4.96 | 103,710 |
| Empires by Maps | 0 | - | 4.98 | 121,823 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,485 |
| Name that Object #1 | 0 | - | 3.57 | 96,602 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,253 |
| Play-Doh People from History | 0 | - | 4.99 | 95,455 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,041 |
| All Country Flags of the World | 0 | - | 5.00 | 3,708,045 |
| Years in History by Picture | 0 | - | 4.44 | 35,746 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,370 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,831 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,690 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,107 |
| Old Movies by Picture | 0 | - | 4.51 | 25,243 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,283 |
| Name that Object #2 | 0 | - | 3.63 | 15,514 |
| Name that Object #3 | 0 | - | 3.93 | 14,454 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,894 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,993 |
| Flags with Crescents | 0 | - | 4.98 | 171,180 |
| Country Flag Trivia | 0 | - | 4.81 | 57,903 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,787 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,329 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,458 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,866 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,903 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,423 |
| Random Logos Quiz | 0 | - | 4.33 | 209,395 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,687 |
| National Football Team Logos | 0 | - | 4.85 | 181,677 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,626 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,258 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,237 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,790 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,991 |
| Fruits by Picture | 0 | - | 4.19 | 808,999 |
| Geography by Picture - B | 0 | - | 4.42 | 55,761 |
| Geography by Picture - H | 0 | - | 4.50 | 58,360 |
| Geography by Picture - N | 0 | - | 4.45 | 42,329 |
| Geography by Picture - R | 0 | - | 4.56 | 41,134 |
| Geography by Picture - T | 0 | - | 4.54 | 57,985 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,236 |
| Flags to Languages | 0 | - | 4.95 | 174,416 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,644 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,366 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,750 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,249 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,590 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,439 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,911 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,284 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,556 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,644 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,196 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,920 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,843 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,976 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,234 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,602 |
| Name that Bug | 0 | - | 4.12 | 45,626 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,495 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,246 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,956 |
| Elements by Picture | 0 | - | 4.27 | 70,285 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,502 |
| Islands by Picture | 0 | - | 4.28 | 107,697 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,437 |
| Geography by Picture - A | 0 | - | 4.39 | 60,410 |
| Geography by Picture - D | 0 | - | 4.15 | 45,769 |
| Geography by Picture - F | 0 | - | 4.31 | 51,154 |
| Geography by Picture - G | 0 | - | 4.39 | 48,064 |
| Geography by Picture - J | 0 | - | 4.16 | 38,578 |
| Geography by Picture - K | 0 | - | 4.29 | 33,233 |
| Geography by Picture - C | 0 | - | 4.31 | 57,214 |
| Geography by Picture - L | 0 | - | 4.37 | 59,118 |
| Geography by Picture - M | 0 | - | 4.14 | 40,565 |
| Geography by Picture - P | 0 | - | 4.24 | 42,550 |
| Geography by Picture - S | 0 | - | 4.38 | 47,169 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,915 |
| Movie Logos | 0 | - | 4.33 | 240,186 |
| History by Picture - A | 0 | - | 4.26 | 46,108 |
| History by Picture - B | 0 | - | 4.40 | 49,305 |
| History by Picture - C | 0 | - | 4.33 | 54,833 |
| History by Picture - F | 0 | - | 4.35 | 38,157 |
| History by Picture - G | 0 | - | 4.40 | 42,394 |
| History by Picture - D | 0 | - | 4.29 | 44,617 |
| History by Picture - E | 0 | - | 4.25 | 44,197 |
| History by Picture - H | 0 | - | 4.37 | 37,044 |
| History by Picture - K | 0 | - | 4.35 | 33,578 |
| History by Picture - M | 0 | - | 4.17 | 36,364 |
| History by Picture - N | 0 | - | 4.40 | 41,500 |
| History by Picture - O | 0 | - | 4.39 | 36,529 |
| History by Picture - T | 0 | - | 4.20 | 33,516 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,994 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,985 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,462 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,389 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,823 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,188 |
| International Footballers by Picture | 0 | - | 4.51 | 56,338 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,918 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,510 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,165 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,919 |
| Flag Maths | 0 | - | 4.61 | 57,826 |
| Satellite Images #1 | 0 | - | 4.47 | 129,933 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,622 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,179 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,192 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,176 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,396 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,511 |
| Soccer Team Logos | 0 | - | 4.26 | 377,303 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,687 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,085 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,610 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,679 |
| Foods by Picture | 0 | - | 3.81 | 226,520 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,646 |
| Christmas by Picture | 0 | - | 4.26 | 28,227 |
| Hats by Picture | 0 | - | 4.21 | 18,016 |
| Weapons by Picture | 0 | - | 4.13 | 21,170 |
| Cars by Picture | 0 | - | 3.89 | 41,791 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,372 |
| Plants by Picture | 0 | - | 4.24 | 14,520 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,592 |
| Women in History by Picture | 0 | - | 4.25 | 26,019 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,845 |
| Geography by Picture - E | 0 | - | 3.55 | 47,478 |
| Landforms by Picture | 0 | - | 4.31 | 20,741 |
| Geography by Picture - I | 0 | - | 4.00 | 39,521 |
| Geography by Picture - O | 0 | - | 4.01 | 28,232 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,335 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,647 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,392 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,831 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,564 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,094 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,274 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,103 |
| History by Picture - I | 0 | - | 4.24 | 26,424 |
| History by Picture - J | 0 | - | 4.18 | 26,914 |
| History by Picture - L | 0 | - | 4.18 | 30,990 |
| History by Picture - P | 0 | - | 4.08 | 25,460 |
| History by Picture - Q | 0 | - | 4.03 | 22,242 |
| History by Picture - R | 0 | - | 4.13 | 27,033 |
| History by Picture - S | 0 | - | 4.14 | 27,966 |
| History by Picture - U | 0 | - | 4.25 | 25,306 |
| History by Picture - V | 0 | - | 4.31 | 25,293 |
| History by Picture - W | 0 | - | 4.01 | 21,799 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,768 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,827 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,701 |
| Flowers by Picture | 0 | - | 4.46 | 105,838 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,940 |
| Authors by Picture | 0 | - | 4.48 | 25,624 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,820 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,131 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,312 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,454 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,268 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,031 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,829 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,476 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,325 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,015 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,537 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,746 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,726 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,644 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,351 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,085 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,734 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,790 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,039 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,337 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,581 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,016 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,994 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,899 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,292 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,520 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,484 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,201 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,602 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,614 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,914 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,209 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,920 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,558 |
| Airline Logos | 0 | - | 4.45 | 141,360 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,714 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,364 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,830 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,454 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,211 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,579 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,133 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,838 |
