| All Country Flags of the World - Shuffled Order | 3,159 | - | - |
| World Capitals Quiz | 5,033,702 | 0 | - |
| U.S. Presidents Quiz | 3,657,114 | 0 | - |
| U.S. State Flags | 167,295 | 0 | - |
| North America Capitals Quiz | 217,021 | 0 | - |
| Top World Languages | 813,551 | 0 | - |
| Random Capital to Country | 2,578,698 | 0 | - |
| Periodic Table Symbols | 71,013 | 0 | - |
| Elements of the Periodic Table | 2,221,758 | 0 | - |
| U.S. State Capitals Quiz | 1,678,289 | 0 | - |
| Random Symbol to Element | 92,267 | 0 | - |
| Official Languages of the World | 411,826 | 0 | - |
| Top African Languages on a Map | 72,532 | 0 | - |
| Official Languages of the World on the Disappearing World Map | 115,138 | 0 | - |
| Top World Languages on a Map | 102,268 | 0 | - |
| "Hello," In Various Languages | 1,546 | - | - |
| How many languages can you say 'hello' in? | 330 | - | - |
| Spanish Words for Jobs | 25,971 | 0 | - |
| Common Descriptive Words in Spanish | 69,743 | 0 | - |
| Popular Spanish Verbs Vocabulary Quiz | 72,985 | - | - |
| Spanish Food Vocabulary Words Quiz | 37,904 | - | - |
| Spanish Clothing Vocabulary Quiz | 20,094 | - | - |
| Random Atomic Number to Element | 1,093 | - | - |
| Spanish Animal Words | 95,387 | 0 | - |
| Spanish Adjectives Vocabulary Words | 18,848 | - | - |
| Around the House Spanish Vocabulary Words | 16,010 | - | - |
| Spanish Animals Vocabulary Words Quiz | 11,751 | - | - |
| Megacities on a World Map | 251,112 | 0 | - |
| Biggest Lakes in the World | 89,017 | 0 | - |
| World geography - Top 10 Landforms: trenches, islands, rivers, waterfalls, lakes, mountains, deserts | 6,383 | - | - |
| Mountain Ranges on the Map | 61,299 | 0 | - |
| Mountains by Country | 81,552 | 0 | - |
| World Currencies Quiz on a Map | 60,047 | 0 | - |
| Currency of European countries | 104 | - | - |
| 100 Biggest Cities in Europe with a Map | 342,217 | 0 | - |
| 100 Biggest Asian Cities on a Map | 9,118 | - | - |
| 100 Biggest U.S. Cities on a Map | 115,138 | 0 | - |
| Biggest Cities in 4 Random Countries on a Map | 128,589 | 0 | - |
| Biggest Cities in the U.S. - Extreme | 158,330 | 0 | - |
| 50 Largest Cities in South America | 1,051 | - | - |
| Top 10 Urban Areas by Region | 1,221 | - | - |
| Top 5 Cities by UN Geographic Regions | 1,776 | - | - |
| Top U.S. Universities | 144,148 | 0 | - |
| 5 Largest Cities for Every Letter on Map | 50,644 | 0 | - |
| Name a Valid City for Every Continent A-Z with a Map | 4,670 | - | - |
| 100 Biggest Cities in the World with Exceptions | 66,738 | 0 | - |
| Spanish Conjugation #1 - Preterite Tense | 421 | - | - |
| Spanish Conjugation #1 - Future Tense | 201 | - | - |
| Animals - Taxonomy to Common Name | 28,107 | 0 | - |
| Spanish Conjugation #1 - Present Tense | 583 | - | - |
| Spanish Conjugation #1 - Imperfect Tense | 231 | - | - |
| Spanish vocab week 45 | 8 | - | - |
| Spanish 5000 #11 - Verbs (Medium-Difficulty) | 122 | - | - |
| Spanish 5000 #16 - Verbs (Hard) | 71 | - | - |
| Spanish 5000 # 2 - Verbs (Easy) | 373 | - | - |
| Spanish 5000 #1 - Adjectives (Easy) | 175 | - | - |
| Spanish 5000 #7 - Nouns (Masculine, Easy) | 135 | - | - |
| Top Five Languages by Language Family | 53,385 | 0 | - |
| Spanish 5000 # 6 - Nouns (Feminine, Easy) | 121 | - | - |
| Spanish 5000 #13 - Nouns (Masculine, Medium-Difficulty) | 75 | - | - |
| Spanish 5000 #14 - Noun (Feminine, Cognates, Medium-Difficulty) | 38 | - | - |
| Spanish Vegetable Vocabulary Words Quiz | 6,223 | - | - |
| All Major North American Pro Sports Teams | 988,989 | 0 | - |
| 5-Letter Geography Chain #1 | 130,758 | 0 | - |
| Spanish Vocab by Category - Animals and Nature | 296 | - | - |
| U.S. & Canadian Geography on a Map | 38,983 | 0 | - |
| 50 Rivers on a World Map | 36,958 | 0 | - |
| 100 Rivers on a World Map | 98,460 | 0 | - |
| Rivers of the United States | 65,560 | 0 | - |
| Rivers of Europe Quiz | 55,636 | 0 | - |
| Map of Africa by Flag Colours | 17,205 | 0 | - |
| All U.S. States by License Plates Picture Quiz | 2,271 | - | - |
| Spanish Country Names | 29 | - | - |
| Names of Countries of the World in Spanish | 11 | - | - |
| Click 100 Geographic Features on a World Map | 4,718 | - | - |
| Click 100 Geographic Features on a World Map - Expert Mode | 5,839 | - | - |
| Mediterranean Cities by Map | 51,020 | 0 | - |
| Top Five Countries by Religion | 169,147 | 0 | - |
| 10 Biggest cities in Czechia | 291 | - | - |
| Seas of the World | 154,464 | 0 | - |
| All 3M Cities on the World Map | 73,908 | 0 | - |
| Every 1,000,000+ City on a Map | 112,864 | 0 | - |
| 500 Biggest Cities in the World | 21,716 | - | - |
| 500 Biggest Cities in the World on a Map | 120,372 | 0 | - |
| 250 Biggest Cities in Europe With a Map | 113,861 | 0 | - |
| Alphabets, Scripts, or Writing Systems | 38,304 | 0 | - |
| All 1M+ Cities in Africa on a Map | 25,836 | 0 | - |
| Name a Valid Year Each War Occurred In | 22,872 | 0 | - |
| Bodies of Water on the World Map | 50,743 | 0 | - |
| Largest Cities in the World if all the Ice Melts on a Map | 35,026 | 0 | - |
| Cities of China (With Some Help) | 31,292 | 0 | - |
| 100 Biggest Cities and Towns in the UK | 145,084 | 0 | - |
| 100 Biggest Cities in Germany on a Map | 97,124 | 0 | - |
| 100 Biggest Cities in Spain on a Map | 43,481 | 0 | - |
| Biggest Cities in Each U.S. State - Extreme | 78,775 | 0 | - |
| Every U.S. City that Has Ever Been the Largest In Its State | 23,203 | 0 | - |
| All 100k+ Cities in Europe on a Map | 99,877 | 0 | - |
| Countries of the World in All Featured Languages | 34,581 | 0 | - |
| US Presidents, Parties, and Years Served | 318 | - | - |
| U.S. Presidential Terms with Whammies | 19,557 | 0 | - |
| Every U.S. Metro Area on a Map | 80,817 | 0 | - |
| Top 50 Countries by Population - In Order | 324,478 | 0 | - |
| Huge List of Famous Lakes | 10,600 | 0 | - |
| World Coats of Arms | 63,893 | 0 | - |
| Straits on the World Map | 7,106 | - | - |
| All First-Level Subdivisions of Europe on a Map | 168,074 | 0 | - |
| Every Country Flag-Shape of the World | 44,265 | 0 | - |
| City to River #1 | 35,748 | 0 | - |
| City to River #2 - Difficult | 25,794 | 0 | - |
| A Superlative for Every European Country | 42,147 | 0 | - |
| Five Biggest Cities by Country - Extreme | 40,813 | 0 | - |
| Official Country Names of the World | 22,264 | 0 | - |
| Countries of the World in Alphabetical Order | 108,670 | 0 | - |
| U.S. Presidents by Picture | 423,931 | 0 | - |
| Numbers in Spanish to a Trillion | 21 | - | - |
| Every Country Shape | 459,236 | 0 | - |
| Spanish 5000 # 3 - Adverbs | 161 | - | - |
| Spanish 5000 #10 - Adjectives (Medium-Difficulty) | 66 | - | - |
| Spanish 5000 #17 - Adjectives (Hard) | 44 | - | - |
| UFC Champions | 2,567 | - | - |
| Letters in Sign Language | 527 | - | - |
| 10 Random Letters in ASL (American Sign Language) | 1,580 | - | - |
| Random Croatian words | 85 | - | - |
| The Thirteen Dwarves in the Hobbit | 28,401 | 0 | - |
| Tolkien's Middle Earth Map Quiz | 37,151 | 0 | - |
| All Countries of the World by Flag and First Letter | 76,105 | 0 | - |
| States of Mexico | 173,463 | 0 | - |
