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More games: tests and skills

Everyday Life3 tests

Stuff Every US Citizen Should KnowPractice the 2025 USCIS civics test, one card at a time, with the why behind every answer.120 cards · Start

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Stuff Every Traveler Should KnowAir travel, passports, security, health and money abroad.84 cards · Start

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Stuff Every World Traveler Should KnowVisas, customs, etiquette, tipping, plugs, driving and staying safe in other countries.103 cards · Start

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Home & Money5 tests

Stuff Every Dad Should KnowPractical skills every dad (and anyone) should know: car, home, grill, first aid, money and kids.103 cards · Start

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Stuff Every Solar Owner Should KnowHome solar and batteries: how they work, sizing, safety, incentives and maintenance.87 cards · Start

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Stuff Every Homeowner Should KnowOwning and fixing a home: maintenance, safety, energy, money and repairs.119 cards · Start

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Stuff Every Teen Should Know About MoneyMoney basics for teens: earning, saving, banking, credit, taxes and avoiding scams.106 cards · Start

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Stuff Every Real Estate Agent Should KnowReal estate license exam prep: property and ownership, agency, contracts, disclosures, fair housing, finance and ethics.Coming soon

Health & Safety2 tests

Stuff Every Diabetic Should KnowPractical, sourced stuff to know when you or someone you cook for lives with diabetes. Not medical advice.127 cards · Start

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Stuff Every Herbalist Should KnowCommon herbs, what the research does and does not show, safety, side effects and drug interactions.Coming soon

Outdoors & Nature5 tests

Stuff Every Boater Should KnowThe boating safety basics behind state boater education courses and the USCG navigation rules.204 cards · Start

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Stuff Every Hunter Should KnowFirearm safety, ethics and game ID from hunter education, in quick practice cards.161 cards · Start

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Stuff Every Survivalist Should KnowFirst aid, knots, navigation, fire, shelter and water: the outdoor skills a Scout learns from Tenderfoot to Eagle.175 cards · Start

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Stuff Every Astronomer Should KnowLight, telescopes, stars, galaxies, the solar system and the sky: how astronomers know what they know.165 cards · Start

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Stuff Every Angler Should KnowFishing, crabbing and clamming basics: licenses, rules, knots, gear and safety.100 cards · Start

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Vehicles & Flying7 tests

Stuff Every Private Pilot Should KnowStudy for the FAA private pilot knowledge test: regulations, weather, airspace and aerodynamics in 30 seconds a card.324 cards · Start

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Stuff Every Drone Pilot Should KnowGet ready for the FAA Part 107 remote pilot test with short, sourced practice cards.200 cards · Start

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Stuff Every Driver Should KnowRoad signs, right-of-way and safe driving: the questions on every state's permit test.113 cards · Start

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Stuff Every Instrument Pilot Should KnowStudy for the FAA Instrument Rating Airplane (IRA) knowledge test.95 cards · Start

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Stuff Every Commercial Pilot Should KnowStudy for the FAA Commercial Pilot Airplane (CAX) knowledge test.98 cards · Start

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Stuff Every Sport Pilot Should KnowStudy for the FAA Sport Pilot knowledge test, plus ultralight (Part 103) basics.99 cards · Start

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Stuff Every CDL Driver Should KnowCDL permit prep: General Knowledge, Air Brakes and the Hazmat endorsement, from the state CDL manual.124 cards · Start

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Radio & Electronics4 tests

Stuff Every Ham Radio Operator Should KnowLearn the FCC Technician question pool (2026 to 2030) one card at a time.341 cards · Start

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Stuff Every General Class Ham Should KnowStudy the FCC General class question pool one card at a time.100 cards · Start

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Stuff Every Extra Class Ham Should KnowStudy the FCC Amateur Extra question pool one card at a time.92 cards · Start

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Stuff Every Engineer Should KnowUnits, forces, materials, circuits, fluids, heat and design: the core ideas every engineer works with.165 cards · Start

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Tech, AI & Security8 tests

Stuff Every IT Tech Should KnowStudy for the CompTIA A+ Core 1 and Core 2 exams: hardware, networking, Windows, security and troubleshooting.100 cards · Start

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Stuff Every Security Pro Should KnowStudy for the CompTIA Security+ exam: threats, architecture, operations and governance.100 cards · Start

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Stuff Every Technology Expert Should KnowHow computers, networks, the internet, software and security really work, one card at a time.149 cards · Start

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Stuff Every AI Expert Should KnowMachine learning, neural networks, large language models, training, evaluation and AI safety, explained.168 cards · Start

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Stuff Every Remote Worker Should KnowSecurity awareness training prep: phishing, passwords and MFA, social engineering and working safely from home.Coming soon

Stuff Every Network Tech Should KnowStudy for the Cisco CCNA 200-301: network fundamentals, IP addressing, switching, routing, services and security.Coming soon

Stuff Every Cloud Engineer Should KnowStudy for AWS Certified Cloud Practitioner: EC2, S3, VPC, IAM, security, pricing and the Well-Architected Framework.Coming soon

Stuff Every Linux Admin Should KnowStudy for Linux Essentials: commands, the file system, permissions, users, processes, packages and scripting.Coming soon

Work, Trades & Compliance17 tests

Stuff Every Electrician Should KnowJourneyman electrician exam prep: theory, safety and National Electrical Code concepts.99 cards · Start

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Stuff Every HVAC Tech Should KnowEPA Section 608 refrigerant certification prep: Core, Type I, II and III.102 cards · Start

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Stuff Every Welder Should KnowWelding and metal fabrication basics: processes, safety, metals and joints.99 cards · Start

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Stuff Every Woodworker Should KnowWoodworking basics and shop safety: tools, wood, joinery and finishing.65 cards · Start

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Stuff Every Healthcare Worker Should KnowHIPAA training prep: the Privacy, Security and Breach Notification Rules, and what to do on the job.110 cards · Start

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Stuff Every Worker Should KnowOSHA 10-Hour prep: worker rights, the Focus Four hazards, HazCom, PPE and everyday job safety.123 cards · Start

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Stuff Every New Business Owner Should KnowSetting up a US business: LLC or S corp, EIN, registration, licenses, sales tax, bank account, insurance and contracts.109 cards · Start

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Stuff Every Founder Should KnowRunning and growing a US company: cash flow, pricing, hiring, IP, fundraising, equity, privacy rules and SBA loans.104 cards · Start

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Stuff Every Military Recruit Should KnowPractice for the ASVAB, the military entrance test, across all of its subtests. Avery's idea.124 cards · Start

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Stuff Every Employee Should KnowHarassment prevention training prep: what harassment is, how to report it, retaliation and how bystanders can help.Coming soon

Stuff Every Data Handler Should KnowData privacy training prep: GDPR principles, lawful bases, data subject rights, breaches and US privacy laws.Coming soon

Stuff Every Leader Should KnowLeadership essentials: delegation, feedback, communication, motivation, conflict resolution and leading change.Coming soon

Stuff Every Project Manager Should KnowProject management basics: Agile, Scrum and Waterfall, scope, schedule, risk and stakeholders. Good CAPM prep.Coming soon

Stuff Every Professional Should KnowBusiness writing that works: clear emails, memos and reports, plain language, tone, grammar and proofreading.Coming soon

Stuff Every Negotiator Should KnowNegotiation skills: BATNA, interests vs positions, anchoring, listening, common tactics and win-win outcomes.Coming soon

Stuff Every Food Handler Should KnowFood handler card prep: handwashing, time and temperature, cross-contamination, allergens, cleaning and storage.Coming soon

Stuff Every Medical Biller Should KnowMedical billing and coding prep: ICD-10-CM, CPT and HCPCS, modifiers, claims, payers and compliance.Coming soon

Sports & Fitness15 tests

Stuff Every Skier Should KnowSki and snowboard safety, mountain weather, cold injuries and slope etiquette.87 cards · Start

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Stuff Every Runner Should KnowTraining, form, shoes, heat and hydration, injuries and race day, from your first 5K to a marathon.61 cards · Start

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Stuff Every Swimmer Should KnowWater safety, the four strokes, pool and open water rules, and training tips.61 cards · Start

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Stuff Every Cyclist Should KnowRoad rules, helmets, hand signals, bike care, flats and riding skills.64 cards · Start

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Stuff Every Golfer Should KnowRules of Golf, scoring, etiquette, clubs and staying safe on the course.62 cards · Start

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Stuff Every Tennis Player Should KnowScoring, rules, line calls, etiquette, strokes and avoiding tennis elbow.65 cards · Start

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Stuff Every Pickleball Player Should KnowThe kitchen, the two-bounce rule, scoring, etiquette and staying injury free.60 cards · Start

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Stuff Every Soccer Player Should KnowOffside, fouls and cards, restarts, positions, heading and safety, and the World Cup.58 cards · Start

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Stuff Every Basketball Player Should KnowTraveling, double dribble, fouls, the shot clock, positions and a little history.63 cards · Start

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Stuff Every Baseball Player Should KnowStrikes and balls, outs, the infield fly rule, positions, scorekeeping and safety.66 cards · Start

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Stuff Every Lifter Should KnowForm, spotting, sets and reps, progressive overload, recovery, and gym etiquette.59 cards · Start

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Stuff Every Climber Should KnowBelay commands, knots, gear checks, grades, bouldering and outdoor climbing safety.60 cards · Start

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Stuff Every Scuba Diver Should KnowNever hold your breath, equalizing, depth and air, safety stops, gear and hand signals.63 cards · Start

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Stuff Every Volleyball Player Should KnowRotations, scoring, the libero, net rules, beach vs indoor, and avoiding injuries.61 cards · Start

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Stuff Every Hiker Should KnowThe Ten Essentials, trail etiquette, water, weather, wildlife and getting found if you get lost.61 cards · Start

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Pets & Animals8 tests

Stuff Every Dog Owner Should KnowDog care basics: health, food, safety, training and what's toxic.110 cards · Start

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Stuff Every Cat Owner Should KnowCat care basics: health, food, litter box, behavior and what's toxic.155 cards · Start

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Stuff Every Horse Owner Should KnowHorse care basics: health, feeding, hooves, safety and barn know-how.143 cards · Start

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Stuff Every Small Pet Owner Should KnowRabbits, guinea pigs, hamsters, gerbils, rats and ferrets: lifespan, cost, space, handling and vet care.101 cards · Start

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Stuff Every Fish Owner Should KnowFreshwater aquariums: the nitrogen cycle, tank size, water testing, goldfish myths and betta care.115 cards · Start

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Stuff Every Backyard Chicken Owner Should KnowBackyard chickens: coop, feed, eggs, predators, local rules and staying healthy (salmonella).102 cards · Start

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Stuff Every Reptile Owner Should KnowReptile care basics: lifespan, cost, heat and UVB, handling, salmonella safety, laws and vet care.93 cards · Start

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Stuff Every Bird Owner Should KnowPet bird basics: lifespan, cost, noise, diet, safety, vet care and what owning a bird takes.101 cards · Start

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Languages8 tests

Stuff Every Traveler Should Say in SpanishUseful Spanish phrases for travel, one card at a time.40 cards · Start

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Stuff Every Traveler Should Say in GermanUseful German phrases for travel, one card at a time.49 cards · Start

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Stuff Every Traveler Should Say in JapaneseUseful Japanese phrases for travel, one card at a time.50 cards · Start

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Stuff Every Traveler Should Say in PortugueseUseful Portuguese phrases for travel, one card at a time.50 cards · Start

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Stuff Every Traveler Should Say in RussianUseful Russian phrases for travel, one card at a time.49 cards · Start

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Stuff Every Traveler Should Say in FrenchUseful French phrases for travel, one card at a time.51 cards · Start

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Stuff Every Traveler Should Say in SwahiliUseful Swahili phrases for Kenya, Tanzania and East Africa, one card at a time.56 cards · Start

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Stuff Every Traveler Should Say in ChineseUseful Mandarin Chinese phrases for travel, one card at a time.55 cards · Start

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Kids & Youth2 tests

Stuff Every CAP Cadet Should KnowCAP cadet leadership, drill, the Cadet Oath and Core Values: help for achievement tests and milestone exams.553 cards · Start

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Stuff Every CAP Aerospace Cadet Should KnowCAP aerospace education: flight, weather, rockets, space and cyber safety, for achievement tests and the Mitchell exam.495 cards · Start

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