In Development

Development of SRB2 is done without a specific release date or deadline. A new version is released when the content planned for that version has been made. Although future development will focus mainly on the completion of the missing Single Player maps and refinement of existing content, new features may be developed alongside.

This page compiles information given out by the developers about what future versions of SRB2 will include. This excludes content that has been confirmed for Version 2.1, the next major release. A 2.0.7 patch release is not planned unless a critical bug is found that needs immediate fixing.

Levels

Apart from Castle Eggman Zone Act 3, which will be featured in 2.1, the Single Player campaign is still missing the second and third acts of Arid Canyon Zone and Red Volcano Zone, as well as the entirety of Dark City Zone and Grand Eggship Zone. These levels will be added in future versions and existing levels may be modified.

• Greenflower Zone: A larger version of the GFZROCK texture is planned to be used in act 2 to reduce tiling in tall rooms.

• Arid Canyon Zone: An alternate path will be added to the rope hang section at the end of act 1 in the future, but the death pit will be kept. Several started attempts for act 2 exist, which are probably going to be compiled with new parts added. It will feature Sonic riding along minecart tracks, and while it has both above ground and underground areas, there are more of the latter than in act 1. Act 3 will be inspired by the Wile E. Coyote and Road Runner shorts from Looney Tunes. Sonic will run along a NiGHTS track with a rear view. Eggman will either race against Sonic on an ACME rocket or lay traps on Sonic's path.

• Red Volcano Zone: The second act will use a regular volcano theme instead of the snowy mountain theme of Blue Mountain Zone Act 2, which will be trashed. Additionally, act 1 will be slightly expanded, on which JEV3 has done some work.

• Dark City Zone: Brak Eggman is actually Dark City's boss. It has been moved to Egg Rock Zone Act 3 for 2.0, but will be incorporated into Dark City Zone once the first two acts are made. Brak Eggman's missiles will be used in the first two acts as standalone objects. Dark City Zone is currently low-priority, and will be made after CEZ, ACZ and RVZ are complete, if at all, due to a lack of gameplay ideas. The original plan for DCZ (which might or might not apply today) was that act 1 would be a short chase by Brak Eggman and act 2 would be a full-fledged level containing subway and sewer elements.

• Grand Eggship Zone: Grand Eggship Zone is planned to replace the canned Doom Ship Zone. The name was changed to avoid confusions with Deep Sea Zone. Otherwise, the theme will be largely similar, taking place on Eggman's spaceship. GEZ has the lowest priority of all Single Player zones and might or might not be scrapped.

• Egg Rock Zone: ERZ1 is currently unfinished and is supposed to be expanded in the future, although this is currently not a priority. If Dark City Zone is made, a new boss level will be created to replace the current one.

• SRB1 Remake: All of the bosses are currently missing, as well as three levels. Programming these bosses is currently not a priority, but some high-resolution sprites have been made.

Miscellaneous

• Three new weapon Rings are being developed, although two are described as "experimental" and may not make the cut. For version 2.1, Mystic has said that these new Rings "probably aren't happening due to a lack of internal interest".