| Former Countries by Territory Map | 0 | - | 4.96 | 102,050 |
| Empires by Maps | 0 | - | 4.98 | 119,189 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,090 |
| Name that Object #1 | 0 | - | 3.56 | 96,350 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,305 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,223 |
| All Country Flags of the World | 0 | - | 5.00 | 3,624,890 |
| Years in History by Picture | 0 | - | 4.44 | 35,278 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,475 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,468 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,360 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,068 |
| Old Movies by Picture | 0 | - | 4.51 | 24,937 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,806 |
| Name that Object #2 | 0 | - | 3.64 | 15,357 |
| Name that Object #3 | 0 | - | 3.93 | 14,329 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,073 |
| Flags with Crescents | 0 | - | 4.98 | 168,260 |
| Country Flag Trivia | 0 | - | 4.81 | 56,279 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,856 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,806 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,398 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,754 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,650 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,321 |
| Random Logos Quiz | 0 | - | 4.31 | 207,547 |
| National Football Team Logos | 0 | - | 4.85 | 179,396 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,238 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,840 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,727 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,415 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,635 |
| Fruits by Picture | 0 | - | 4.20 | 805,653 |
| Geography by Picture - B | 0 | - | 4.42 | 55,491 |
| Geography by Picture - H | 0 | - | 4.50 | 58,105 |
| Geography by Picture - N | 0 | - | 4.45 | 42,100 |
| Geography by Picture - R | 0 | - | 4.56 | 40,926 |
| Geography by Picture - T | 0 | - | 4.54 | 57,739 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,989 |
| Flags to Languages | 0 | - | 4.95 | 172,924 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,357 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,008 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,414 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,898 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,358 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,174 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,657 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,001 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,262 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,389 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,933 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,686 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,557 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,351 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,955 |
| Name that Bug | 0 | - | 4.12 | 45,492 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,239 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,741 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,508 |
| Elements by Picture | 0 | - | 4.28 | 69,709 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,224 |
| Islands by Picture | 0 | - | 4.29 | 106,306 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,149 |
| Geography by Picture - A | 0 | - | 4.39 | 60,119 |
| Geography by Picture - D | 0 | - | 4.15 | 45,552 |
| Geography by Picture - F | 0 | - | 4.31 | 50,885 |
| Geography by Picture - G | 0 | - | 4.38 | 47,855 |
| Geography by Picture - J | 0 | - | 4.16 | 38,376 |
| Geography by Picture - K | 0 | - | 4.29 | 33,050 |
| Geography by Picture - C | 0 | - | 4.31 | 56,982 |
| Geography by Picture - L | 0 | - | 4.37 | 58,837 |
| Geography by Picture - M | 0 | - | 4.14 | 40,376 |
| Geography by Picture - P | 0 | - | 4.24 | 42,345 |
| Geography by Picture - S | 0 | - | 4.38 | 46,959 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,180 |
| Movie Logos | 0 | - | 4.33 | 236,869 |
| History by Picture - A | 0 | - | 4.25 | 45,619 |
| History by Picture - B | 0 | - | 4.40 | 48,751 |
| History by Picture - C | 0 | - | 4.36 | 54,264 |
| History by Picture - F | 0 | - | 4.35 | 37,730 |
| History by Picture - G | 0 | - | 4.40 | 41,992 |
| History by Picture - D | 0 | - | 4.29 | 44,150 |
| History by Picture - E | 0 | - | 4.27 | 43,770 |
| History by Picture - H | 0 | - | 4.37 | 36,666 |
| History by Picture - K | 0 | - | 4.35 | 33,223 |
| History by Picture - M | 0 | - | 4.17 | 36,020 |
| History by Picture - N | 0 | - | 4.40 | 41,114 |
| History by Picture - O | 0 | - | 4.39 | 36,172 |
| History by Picture - T | 0 | - | 4.20 | 33,197 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,562 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,156 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,269 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,406 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,040 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,382 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,061 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,860 |
| International Footballers by Picture | 0 | - | 4.50 | 55,089 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,489 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,073 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,534 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,177 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Satellite Images #1 | 0 | - | 4.46 | 129,156 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,114 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,759 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,753 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,875 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,667 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,595 |
| Soccer Team Logos | 0 | - | 4.26 | 372,307 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,813 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,366 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,157 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,694 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,006 |
| Foods by Picture | 0 | - | 3.81 | 225,718 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,152 |
| Christmas by Picture | 0 | - | 4.25 | 28,123 |
| Hats by Picture | 0 | - | 4.21 | 17,921 |
| Weapons by Picture | 0 | - | 4.13 | 20,961 |
| Cars by Picture | 0 | - | 3.89 | 41,238 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,254 |
| Plants by Picture | 0 | - | 4.24 | 14,382 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,144 |
| Women in History by Picture | 0 | - | 4.25 | 25,816 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,699 |
| Geography by Picture - E | 0 | - | 3.55 | 47,313 |
| Landforms by Picture | 0 | - | 4.31 | 20,608 |
| Geography by Picture - I | 0 | - | 4.00 | 39,347 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,892 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,360 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,078 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,581 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,339 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,847 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,049 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,893 |
| History by Picture - I | 0 | - | 4.26 | 26,111 |
| History by Picture - J | 0 | - | 4.18 | 26,627 |
| History by Picture - L | 0 | - | 4.18 | 30,656 |
| History by Picture - P | 0 | - | 4.08 | 25,204 |
| History by Picture - Q | 0 | - | 4.03 | 21,994 |
| History by Picture - R | 0 | - | 4.13 | 26,741 |
| History by Picture - S | 0 | - | 4.14 | 27,687 |
| History by Picture - U | 0 | - | 4.24 | 25,018 |
| History by Picture - V | 0 | - | 4.30 | 24,994 |
| History by Picture - W | 0 | - | 4.01 | 21,554 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,702 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,942 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,328 |
| Flowers by Picture | 0 | - | 4.46 | 105,111 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,612 |
| Authors by Picture | 0 | - | 4.48 | 25,452 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,784 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,378 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,427 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,597 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,608 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,273 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,122 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,905 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,008 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,334 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,028 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,736 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,166 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,241 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,015 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,426 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,154 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,105 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,852 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,005 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,501 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,517 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,826 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,766 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,720 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,359 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,569 |
| Emoji Flags | 0 | - | 4.35 | 43,905 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,476 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,303 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,989 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,350 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,717 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,574 |
| Airline Logos | 0 | - | 4.45 | 140,227 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,409,946 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,484 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,295 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,079 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,544 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,044 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,582 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,266 |
| Vegetables by Picture | 0 | - | 4.39 | 63,064 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,041 |
