City-based trivia across a large question set
Answer true-or-false trivia tied to the city you are in. The listing says the game uses 99,000 quiz questions across 1,000+ real cities.
Trailmarks
Trailmarks is an offline iPhone travel trivia game with city-based true-or-false questions, route choices across real locations, no account, and a paid App Store listing.
Overview
Trailmarks is an iPhone trivia game about traveling through real cities and answering local true-or-false questions to keep a run going. Your progress is measured by how far you travel before you run out of money, mood, or willingness to take the next departure.
The App Store listing describes a game with 1,000+ real cities, 99,000 questions, and routes that follow real-world transport patterns such as flights, trains, buses, and boats. It is designed to work entirely offline and does not require an account.
Features
Route selection with transport tradeoffs
Choose where to go next based on ticket cost, available departures, and risk. Different transport types such as buses, flights, trains, and boats affect your mood and score differently.
Streaks that change rewards and prices
Build longer runs by answering correctly. Consecutive correct answers raise payouts and lower ticket prices, while wrong answers reset those advantages.
Unlockable starting city scenarios
Start in different locations with different departure patterns. The listing specifically mentions Singapore and Nuuk as unlockable starting cities with different route options.
Live route map view
Swipe right during a run to see your journey drawn across the world map in real time.
Offline, private, device-stored play
Play without a network connection. The app stores cities, routes, questions, and images on the device and says it has no ads, no tracking, and no analytics.
Use Cases
Offline travel or transit play
Suitable for players who want a self-contained trivia game that can be opened during flights, commutes, or other times without reliable connectivity.
Strategic single-player runs
Useful for people who like quiz games that mix knowledge questions with route decisions and resource management, rather than a pure trivia format.
Casual local-knowledge discovery
Works for users who enjoy learning small details about cities, local history, food, and culture as a side effect of play.
Low-friction setup
Helpful for players who want a game that does not require account creation or ongoing online services before they can start.
Run tracking and replayable starts
Fits players who want visual route tracking while they move through a run and unlock different starting-city scenarios over time.
Pros and Cons
Pros
- Large content pool with 1,000+ cities and 99,000 questions.
- Plays entirely offline, with no ads, no tracking, and no analytics.
- Real-world route structure gives the trivia format a travel-planning layer, not just question-and-answer play.
- Supports VoiceOver, Reduced Motion, and Differentiate Without Color Alone.
- No account is required, which keeps setup simple.
Cons
- The listing does not provide a full feature breakdown beyond the short description and on-page copy, so some gameplay details remain unclear.
- It requires iOS 18.0 or later, which limits compatibility with older devices.
FAQ
How does Trailmarks work?
Trailmarks is a travel quiz game built for iPhone that uses true-or-false questions about the city you are in. You answer questions, collect rewards, and spend them on the next departure if you can afford it.
Does Trailmarks require an internet connection or an account?
The listing describes Trailmarks as playing entirely offline, with no ads, no tracking, no analytics, and no account required.
What devices can I use it on?
The App Store listing shows Trailmarks as an iPhone app, and it is also marked as designed for iPhone. The same developer page lists a Mac version, but the product listing here is for the iPhone app.
What kind of questions does it ask?
The listing says each city has its own true/false deck covering local history, food, and culture, so the game can expose you to city-specific facts while you play.
Are there any account or sharing features?
The app has Game Center support and Family Sharing is available when Family Sharing is enabled. The listing also notes accessibility support for VoiceOver, Differentiate Without Color Alone, and Reduced Motion.
Quick Facts
- Category
- Trivia
- Platform
- iPhone
- Developer
- Mats Einarsen
- Price model
- Paid app listed at $4.99 on the App Store
- Requirements
- Requires iOS 18.0 or later
- Source domain
- apps.apple.com
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