© 2026 Ostrivia. All artwork, icons, animations, game texts, rules wording, and source code in Ostrivia — the game and this website — are original works created by the Ostrivia team. All rights reserved. Nothing here is copied from, based on the assets of, or derived from any other game.
"Ostrivia" and the Ostrivia hex logo are trademarks of the Ostrivia team. CATAN® and The Settlers of Catan® are registered trademarks of CATAN GmbH; they are mentioned on this site solely to state that Ostrivia is not affiliated with, endorsed by, sponsored by, or in any way officially connected with CATAN GmbH, Catan Studio, Asmodee, or any other board-game publisher.
Ostrivia implements mechanics of the hex-and-trade genre. Game mechanics as such are not protected by copyright: "Copyright does not protect the idea for a game, its name or title, or the method or methods for playing it" (U.S. Copyright Office). Ostrivia's rules are written entirely in our own words.
The app embeds the Alegreya and Alegreya Sans typefaces, and this website uses Caprasimo and Figtree — all licensed under the SIL Open Font License.
Questions about rights or licensing: hello@ostrivia.com.