| Former Countries by Territory Map | 0 | - | 4.96 | 102,516 |
| Empires by Maps | 0 | - | 4.98 | 119,925 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,188 |
| Name that Object #1 | 0 | - | 3.57 | 96,462 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,931 |
| Play-Doh People from History | 0 | - | 4.99 | 94,573 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,423 |
| All Country Flags of the World | 0 | - | 5.00 | 3,647,348 |
| Years in History by Picture | 0 | - | 4.44 | 35,433 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,736 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,321 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,465 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,479 |
| Old Movies by Picture | 0 | - | 4.51 | 25,047 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,942 |
| Name that Object #2 | 0 | - | 3.64 | 15,428 |
| Name that Object #3 | 0 | - | 3.93 | 14,382 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,339 |
| Flags with Crescents | 0 | - | 4.98 | 169,019 |
| Country Flag Trivia | 0 | - | 4.81 | 56,757 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,390 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,220 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,011 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,087 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,992 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,602 |
| Random Logos Quiz | 0 | - | 4.31 | 208,090 |
| National Football Team Logos | 0 | - | 4.85 | 179,927 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,349 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,972 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,892 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,537 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,738 |
| Fruits by Picture | 0 | - | 4.19 | 806,613 |
| Geography by Picture - B | 0 | - | 4.42 | 55,556 |
| Geography by Picture - H | 0 | - | 4.50 | 58,178 |
| Geography by Picture - N | 0 | - | 4.45 | 42,166 |
| Geography by Picture - R | 0 | - | 4.56 | 40,980 |
| Geography by Picture - T | 0 | - | 4.54 | 57,802 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,664 |
| Flags to Languages | 0 | - | 4.95 | 173,361 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,451 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,106 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,516 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,996 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,422 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,260 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,732 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,087 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,350 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,464 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,009 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,753 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,641 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,385 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,055 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,350 |
| Name that Bug | 0 | - | 4.12 | 45,533 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,301 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,868 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,609 |
| Elements by Picture | 0 | - | 4.27 | 69,829 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,278 |
| Islands by Picture | 0 | - | 4.29 | 106,703 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,217 |
| Geography by Picture - A | 0 | - | 4.39 | 60,195 |
| Geography by Picture - D | 0 | - | 4.15 | 45,608 |
| Geography by Picture - F | 0 | - | 4.31 | 50,946 |
| Geography by Picture - G | 0 | - | 4.38 | 47,908 |
| Geography by Picture - J | 0 | - | 4.16 | 38,428 |
| Geography by Picture - K | 0 | - | 4.29 | 33,093 |
| Geography by Picture - C | 0 | - | 4.31 | 57,031 |
| Geography by Picture - L | 0 | - | 4.37 | 58,900 |
| Geography by Picture - M | 0 | - | 4.14 | 40,419 |
| Geography by Picture - P | 0 | - | 4.24 | 42,396 |
| Geography by Picture - S | 0 | - | 4.38 | 47,007 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,635 |
| Movie Logos | 0 | - | 4.33 | 237,810 |
| History by Picture - A | 0 | - | 4.26 | 45,733 |
| History by Picture - B | 0 | - | 4.40 | 48,884 |
| History by Picture - C | 0 | - | 4.36 | 54,407 |
| History by Picture - F | 0 | - | 4.35 | 37,836 |
| History by Picture - G | 0 | - | 4.40 | 42,093 |
| History by Picture - D | 0 | - | 4.29 | 44,265 |
| History by Picture - E | 0 | - | 4.27 | 43,873 |
| History by Picture - H | 0 | - | 4.37 | 36,752 |
| History by Picture - K | 0 | - | 4.35 | 33,319 |
| History by Picture - M | 0 | - | 4.17 | 36,114 |
| History by Picture - N | 0 | - | 4.40 | 41,216 |
| History by Picture - O | 0 | - | 4.39 | 36,274 |
| History by Picture - T | 0 | - | 4.20 | 33,279 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,865 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,347 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,582 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,529 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,152 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,650 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,270 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,946 |
| International Footballers by Picture | 0 | - | 4.50 | 55,397 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,122 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,431 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,700 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,917 |
| Flag Maths | 0 | - | 4.64 | 57,743 |
| Satellite Images #1 | 0 | - | 4.46 | 129,285 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,235 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,859 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,852 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,931 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,870 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,832 |
| Soccer Team Logos | 0 | - | 4.26 | 373,559 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,385 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,267 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,534 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,050 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,166 |
| Foods by Picture | 0 | - | 3.81 | 225,940 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,279 |
| Christmas by Picture | 0 | - | 4.25 | 28,149 |
| Hats by Picture | 0 | - | 4.21 | 17,950 |
| Weapons by Picture | 0 | - | 4.13 | 21,022 |
| Cars by Picture | 0 | - | 3.89 | 41,410 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,284 |
| Plants by Picture | 0 | - | 4.24 | 14,420 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,523 |
| Women in History by Picture | 0 | - | 4.25 | 25,885 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,751 |
| Geography by Picture - E | 0 | - | 3.55 | 47,349 |
| Landforms by Picture | 0 | - | 4.31 | 20,653 |
| Geography by Picture - I | 0 | - | 4.00 | 39,394 |
| Geography by Picture - O | 0 | - | 4.01 | 28,109 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,276 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,448 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,167 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,654 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,410 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,924 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,117 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,958 |
| History by Picture - I | 0 | - | 4.26 | 26,188 |
| History by Picture - J | 0 | - | 4.18 | 26,699 |
| History by Picture - L | 0 | - | 4.18 | 30,744 |
| History by Picture - P | 0 | - | 4.08 | 25,266 |
| History by Picture - Q | 0 | - | 4.03 | 22,062 |
| History by Picture - R | 0 | - | 4.13 | 26,822 |
| History by Picture - S | 0 | - | 4.14 | 27,755 |
| History by Picture - U | 0 | - | 4.24 | 25,100 |
| History by Picture - V | 0 | - | 4.30 | 25,067 |
| History by Picture - W | 0 | - | 4.01 | 21,620 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,939 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,149 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,685 |
| Flowers by Picture | 0 | - | 4.46 | 105,575 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,693 |
| Authors by Picture | 0 | - | 4.48 | 25,511 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,077 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,603 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,636 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,818 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,763 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,434 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,319 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,051 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,081 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,514 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,157 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,053 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,315 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,352 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,116 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,592 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,292 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,277 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,118 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,098 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,015 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,890 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,129 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,367 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,149 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,694 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,833 |
| Emoji Flags | 0 | - | 4.35 | 44,002 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,769 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,786 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,360 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,243 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,555 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,774 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,149 |
| Airline Logos | 0 | - | 4.45 | 140,511 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,417,338 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,012 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,725 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,397 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,809 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,349 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,913 |
