Frequently asked questions
Everything people ask about Halfdan Harring and the games — answered directly.
Who is Halfdan Harring?
Halfdan Harring is a Danish indie game developer and self-taught full-stack developer from Aarhus, Denmark. He designs, codes and ships his games completely solo under the label Games by Harring, and also runs the web studio JegUdvikler and the app brand AppsMedHalfdan.
What games has Halfdan Harring made?
Three released games: Dolphin Beyond (a physics arcade game for iOS and web), HeadToHead (a free football prediction game for iOS) and Quiz Fight: Guess What? (a competitive trivia game for iOS). Four more are in development: Ragnaroll, Big Chair, TinyTrack and Runish.
Where can I play the games?
All released games are on the Apple App Store — see the developer page for Halfdan Valentin Harring. Dolphin Beyond can also be played free in the browser at dolphinbeyond.com. Each game page on this site links directly to every place it can be played.
Are the games free?
Yes. Every released game is free to download and play. Quiz Fight offers an optional Pro subscription, but there are no ads and no pay-to-win mechanics in any of the games.
What technology are the games built with?
The games are built web-first in TypeScript and React, packaged as native iOS apps with Capacitor, with Firebase for accounts, leaderboards and multiplayer. Dolphin Beyond runs on a custom deterministic physics engine; Ragnaroll and TinyTrack use Three.js with the Rapier physics engine; Runish uses custom native GPS and HealthKit plugins.
Does Halfdan Harring really make the games alone?
Yes — every game is a true solo production: concept, game design, programming, art direction, sound selection, App Store listing and marketing are all done by one person. The devlog on this site documents the process openly.
Does Halfdan Harring take on client work or speaking engagements?
Yes. Web and app development for companies runs through jegudvikler.dk, and talks about building and launching real products are booked through foredragmedhalfdan.dk.
How can I contact Halfdan Harring?
Email halfdan@halfdanharring.dk — for press enquiries, see the press page on this site. He reads everything, and player feedback about the games is especially welcome.