Sonic Adventure 2 is described as 'In the fight between heroes and villains, will you choose to save the world or conquer it?'. There are five games similar to Sonic Adventure 2 for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is Open Surge, which is both free and Open Source. Other Sonic Adventure 2 like games are Sonic The Hedgehog (Freemium), Jazz Jackrabbit 2 (Freemium), Sonic Robo Blast 2 (Free, Open Source) and Jazz Jackrabbit (Freemium).
"JAZZ IS BACK! The nefarious turtle, Devan Shell, has built a time machine as part of a diabolical plan to rewrite Carrotus' past. Now, only our hero along with his spaced-out little brother, Spaz, can stop him from turning history on its ear! Represent entire series of Jazz Jackrabbit 2 games including Jazz Jackrabbit, Jazz Jackrabbit 2, Jazz Jackrabbit 3: Adventures of a Mean Green Hare, Jazz Jackrabbit (GBA).
Sonic Robo Blast 2 (or SRB2 for short) is a fan made, free Sonic-themed game using a modified version of the Doom engine, based on Doom Legacy (in active development since 1998). Represent entire series of Sonic Robo Blast 2 games including Sonic Robo Blast, Sonic Robo Blast 2.
Jazz Jackrabbit is a platform game developed and published by Epic MegaGames. It was released in 1994 for PCs operating DOS, with subsequent Macintosh and Microsoft Windows releases in 1995 and 1996. Represent entire series of Jazz Jackrabbit games.