| Former Countries by Territory Map | 0 | - | 4.96 | 104,001 |
| Empires by Maps | 0 | - | 4.98 | 122,223 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,474 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,555 |
| Name that Object #1 | 0 | - | 3.57 | 96,641 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,404 |
| Play-Doh People from History | 0 | - | 4.99 | 95,621 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,150 |
| All Country Flags of the World | 0 | - | 5.00 | 3,716,692 |
| Years in History by Picture | 0 | - | 4.45 | 35,857 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,464 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,344 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,446 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,452 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,613 |
| Old Movies by Picture | 0 | - | 4.51 | 25,275 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,320 |
| Name that Object #2 | 0 | - | 3.63 | 15,533 |
| Name that Object #3 | 0 | - | 3.93 | 14,472 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,970 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,107 |
| Flags with Crescents | 0 | - | 4.98 | 171,443 |
| Country Flag Trivia | 0 | - | 4.82 | 58,107 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,965 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,486 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,671 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,993 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,035 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,522 |
| Random Logos Quiz | 0 | - | 4.33 | 209,736 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,295 |
| National Football Team Logos | 0 | - | 4.85 | 181,974 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,660 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,290 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,274 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,817 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,023 |
| Fruits by Picture | 0 | - | 4.19 | 809,519 |
| Geography by Picture - B | 0 | - | 4.42 | 55,786 |
| Geography by Picture - H | 0 | - | 4.50 | 58,388 |
| Geography by Picture - N | 0 | - | 4.45 | 42,350 |
| Geography by Picture - R | 0 | - | 4.56 | 41,155 |
| Geography by Picture - T | 0 | - | 4.54 | 58,010 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,474 |
| Flags to Languages | 0 | - | 4.95 | 174,551 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,666 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,398 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,778 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,279 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,606 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,463 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,941 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,304 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,591 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,669 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,213 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,942 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,873 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,057 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,065 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,404 |
| Name that Bug | 0 | - | 4.12 | 45,646 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,522 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,291 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,991 |
| Elements by Picture | 0 | - | 4.27 | 70,334 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,519 |
| Islands by Picture | 0 | - | 4.28 | 107,830 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,462 |
| Geography by Picture - A | 0 | - | 4.39 | 60,442 |
| Geography by Picture - D | 0 | - | 4.15 | 45,792 |
| Geography by Picture - F | 0 | - | 4.31 | 51,186 |
| Geography by Picture - G | 0 | - | 4.39 | 48,086 |
| Geography by Picture - J | 0 | - | 4.16 | 38,601 |
| Geography by Picture - K | 0 | - | 4.29 | 33,254 |
| Geography by Picture - C | 0 | - | 4.31 | 57,243 |
| Geography by Picture - L | 0 | - | 4.37 | 59,147 |
| Geography by Picture - M | 0 | - | 4.14 | 40,589 |
| Geography by Picture - P | 0 | - | 4.24 | 42,575 |
| Geography by Picture - S | 0 | - | 4.38 | 47,187 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,134 |
| Movie Logos | 0 | - | 4.33 | 240,522 |
| History by Picture - A | 0 | - | 4.26 | 46,171 |
| History by Picture - B | 0 | - | 4.40 | 49,370 |
| History by Picture - C | 0 | - | 4.33 | 54,907 |
| History by Picture - F | 0 | - | 4.35 | 38,212 |
| History by Picture - G | 0 | - | 4.40 | 42,456 |
| History by Picture - D | 0 | - | 4.29 | 44,677 |
| History by Picture - E | 0 | - | 4.25 | 44,253 |
| History by Picture - H | 0 | - | 4.37 | 37,100 |
| History by Picture - K | 0 | - | 4.35 | 33,637 |
| History by Picture - M | 0 | - | 4.17 | 36,414 |
| History by Picture - N | 0 | - | 4.40 | 41,548 |
| History by Picture - O | 0 | - | 4.39 | 36,568 |
| History by Picture - T | 0 | - | 4.20 | 33,557 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,101 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,030 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,496 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,482 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,897 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,227 |
| International Footballers by Picture | 0 | - | 4.51 | 56,467 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,563 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,021 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,437 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,166 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Satellite Images #1 | 0 | - | 4.46 | 130,018 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,714 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,411 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,261 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,236 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,481 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,599 |
| Soccer Team Logos | 0 | - | 4.26 | 377,832 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,021 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,226 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,816 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,772 |
| Foods by Picture | 0 | - | 3.81 | 226,677 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,787 |
| Christmas by Picture | 0 | - | 4.26 | 28,234 |
| Hats by Picture | 0 | - | 4.21 | 18,021 |
| Weapons by Picture | 0 | - | 4.13 | 21,201 |
| Cars by Picture | 0 | - | 3.89 | 41,830 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Plants by Picture | 0 | - | 4.24 | 14,525 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,715 |
| Women in History by Picture | 0 | - | 4.25 | 26,043 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,864 |
| Geography by Picture - E | 0 | - | 3.55 | 47,498 |
| Landforms by Picture | 0 | - | 4.31 | 20,752 |
| Geography by Picture - I | 0 | - | 4.00 | 39,539 |
| Geography by Picture - O | 0 | - | 4.01 | 28,250 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,484 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,673 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,417 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,858 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,581 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,113 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,292 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,124 |
| History by Picture - I | 0 | - | 4.24 | 26,466 |
| History by Picture - J | 0 | - | 4.18 | 26,957 |
| History by Picture - L | 0 | - | 4.18 | 31,036 |
| History by Picture - P | 0 | - | 4.08 | 25,498 |
| History by Picture - Q | 0 | - | 4.03 | 22,272 |
| History by Picture - R | 0 | - | 4.13 | 27,069 |
| History by Picture - S | 0 | - | 4.14 | 28,001 |
| History by Picture - U | 0 | - | 4.25 | 25,343 |
| History by Picture - V | 0 | - | 4.31 | 25,330 |
| History by Picture - W | 0 | - | 4.01 | 21,830 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,846 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,885 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,823 |
| Flowers by Picture | 0 | - | 4.46 | 105,873 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,958 |
| Authors by Picture | 0 | - | 4.48 | 25,637 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,980 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,188 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,413 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,528 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,334 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,074 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,883 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,521 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,359 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,075 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,582 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,817 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,789 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,692 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,384 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,149 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,795 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,857 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,125 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,359 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 244,934 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,577 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,475 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,114 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,447 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,652 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,592 |
| Emoji Flags | 0 | - | 4.35 | 44,298 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,243 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,692 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,667 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,011 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,302 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,932 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,758 |
| Airline Logos | 0 | - | 4.45 | 141,470 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,280 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,591 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,011 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,582 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,340 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,707 |
