Licences and credits
Hold the Line: Licences
Hold the Line is built with open-source software and third-party services. Thank you to their authors. Full licence texts ship with the app; the links below lead to each project and licence.
In the game
3D rendering engine
© 2010-2026 three.js authors
Bloom and anti-aliasing effects
© 2015 Raoul van Rüschen
Sound effect synthesis
© 2019 Frank Force
Android app runtime and plugins (App, Haptics, Splash Screen, Status Bar)
© 2017-present Drifty Co. (Ionic)
Display font
© 2011 Juan Montoreano
Text font
© 2014 The Nunito Project Authors
Music
Title, battle and boss tracks, stingers
Generated
Made with Google Lyria; carries Google SynthID audio watermark
Art
Characters, icons, UI and 3D models
Original
Made for Hold the Line
Updates
This part powers the over-the-air updates described in the privacy policy. It talks only to our own server. The game contains no ad, analytics or tracking SDK.
Over-the-air web updates, configured to talk only to our server
Capgo / Digital Shift OÜ