| Former Countries by Territory Map | 0 | - | 4.96 | 101,757 |
| Empires by Maps | 0 | - | 4.98 | 118,750 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,833 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,024 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,940 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,106 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,151 |
| Years in History by Picture | 0 | - | 4.44 | 35,157 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,301 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,792 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,096 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,153 |
| Name that Object #1 | 0 | - | 3.56 | 96,326 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,901 |
| Flags with Crescents | 0 | - | 4.98 | 167,819 |
| Country Flag Trivia | 0 | - | 4.81 | 56,054 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,574 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,567 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,077 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,558 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,472 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,141 |
| National Football Team Logos | 0 | - | 4.84 | 178,897 |
| Old Movies by Picture | 0 | - | 4.51 | 24,852 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,727 |
| Random Logos Quiz | 0 | - | 4.31 | 207,196 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,163 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,760 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,659 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,345 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,554 |
| Fruits by Picture | 0 | - | 4.20 | 805,006 |
| Geography by Picture - B | 0 | - | 4.42 | 55,441 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,894 |
| Geography by Picture - T | 0 | - | 4.54 | 57,701 |
| Flags to Languages | 0 | - | 4.95 | 172,652 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,518 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,167 |
| Original 151 Pokémon | 0 | - | 4.95 | 785,852 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,375 |
| Name that Object #2 | 0 | - | 3.64 | 15,340 |
| Name that Object #3 | 0 | - | 3.93 | 14,315 |
| Pokémon by Picture | 0 | - | 4.39 | 72,632 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,915 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,767 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,521 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,911 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,306 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,949 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,365 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,838 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,323 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,132 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,611 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,950 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,206 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,347 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,892 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,645 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,513 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 133,598 |
| Name that Bug | 0 | - | 4.12 | 45,462 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,199 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,657 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,443 |
| Elements by Picture | 0 | - | 4.28 | 69,610 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,174 |
| Islands by Picture | 0 | - | 4.29 | 106,039 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,079 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,050 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,004 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,305 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,966 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,202 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,802 |
| International Footballers by Picture | 0 | - | 4.50 | 54,860 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,916 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,761 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,358 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,518 |
| Geography by Picture - F | 0 | - | 4.31 | 50,846 |
| Geography by Picture - G | 0 | - | 4.38 | 47,816 |
| Geography by Picture - J | 0 | - | 4.16 | 38,350 |
| Geography by Picture - K | 0 | - | 4.29 | 33,032 |
| Geography by Picture - C | 0 | - | 4.31 | 56,933 |
| Geography by Picture - L | 0 | - | 4.37 | 58,786 |
| Geography by Picture - M | 0 | - | 4.14 | 40,357 |
| Geography by Picture - P | 0 | - | 4.24 | 42,318 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,664 |
| Flag Maths | 0 | - | 4.78 | 57,689 |
| Satellite Images #1 | 0 | - | 4.46 | 129,061 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,028 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,682 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,684 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,831 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,442 |
| Soccer Team Logos | 0 | - | 4.26 | 371,294 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,773 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,577 |
| Movie Logos | 0 | - | 4.33 | 236,229 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,894 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,312 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,405 |
| History by Picture - A | 0 | - | 4.25 | 45,502 |
| History by Picture - B | 0 | - | 4.40 | 48,630 |
| History by Picture - C | 0 | - | 4.36 | 54,140 |
| History by Picture - F | 0 | - | 4.35 | 37,630 |
| History by Picture - G | 0 | - | 4.40 | 41,891 |
| History by Picture - D | 0 | - | 4.29 | 44,055 |
| History by Picture - E | 0 | - | 4.27 | 43,669 |
| History by Picture - H | 0 | - | 4.37 | 36,583 |
| History by Picture - K | 0 | - | 4.35 | 33,143 |
| History by Picture - M | 0 | - | 4.17 | 35,943 |
| History by Picture - N | 0 | - | 4.40 | 41,035 |
| History by Picture - O | 0 | - | 4.39 | 36,077 |
| History by Picture - T | 0 | - | 4.20 | 33,129 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,914 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,721 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,870 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,605 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,707 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,553 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,771 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,055 |
| Foods by Picture | 0 | - | 3.81 | 225,574 |
| Flowers by Picture | 0 | - | 4.46 | 105,047 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,067 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,563 |
| Christmas by Picture | 0 | - | 4.25 | 28,114 |
| Hats by Picture | 0 | - | 4.21 | 17,910 |
| Weapons by Picture | 0 | - | 4.13 | 20,901 |
| Cars by Picture | 0 | - | 3.89 | 41,133 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,241 |
| Authors by Picture | 0 | - | 4.48 | 25,412 |
| Plants by Picture | 0 | - | 4.24 | 14,356 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,595 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,614 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,214 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,281 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,448 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,479 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,152 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,984 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,811 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,937 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,198 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,919 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,513 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,070 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,163 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,951 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,297 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,047 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,998 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,684 |
| Women in History by Picture | 0 | - | 4.25 | 25,776 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,956 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,672 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,850 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,167 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,526 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,343 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,445 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,157 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,406 |
| Geography by Picture - E | 0 | - | 3.55 | 47,291 |
| Landforms by Picture | 0 | - | 4.31 | 20,586 |
| Geography by Picture - I | 0 | - | 4.00 | 39,330 |
| Emoji Flags | 0 | - | 4.35 | 43,848 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,260 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,264 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,805 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,167 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,683 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,188 |
| Airline Logos | 0 | - | 4.45 | 140,051 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,144 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,015 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,849 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,799 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,319 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,108 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,309 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,022 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,539 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,303 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,811 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,018 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,863 |
| History by Picture - I | 0 | - | 4.26 | 26,049 |
| History by Picture - J | 0 | - | 4.18 | 26,560 |
| History by Picture - L | 0 | - | 4.18 | 30,590 |
| History by Picture - P | 0 | - | 4.08 | 25,137 |
| History by Picture - Q | 0 | - | 4.03 | 21,941 |
| History by Picture - R | 0 | - | 4.13 | 26,674 |
| History by Picture - S | 0 | - | 4.14 | 27,623 |
