0.1.4 is the last release of Open Sonic. The next version will be Open Surge 0.2.0, a free game inspired in the classic Sonic gameplay featuring nothing but original user-made free (as in freedom) media: graphics, characters, sound effects, musics, plot, levels, etc. Open Surge also features an improved physics system. Try the bleeding edge version! Got interested? Please visit our wiki.
The code of this game is licensed under the GPLv2 (the gfx/sfx are not). This game is not endorsed, produced or affiliated with Sega, or any of its subsidiaries. Sega did not make this. This is a non-profit unofficial fangame based on the "Sonic" universe and should be categorized under the same criteria as fanart or fanfiction. The creator of this game is not liable for any and all damages you incur while playing. Sonic, Tails, Knuckles, Eggman, and all related characters, objects and locations are property of their respective owners. All other copyrighted characters contained within belong to their own respective companies and organizations.