New game modes will be in Sonic 3 in the future, get to know them:
1 Player Mode:
- Remake
- Timelines mode
- Acts: 1, 2, challenge and boss
- Time Warp
- Blue/ Red Star Rings system
- Continues and special stages
- Classic
- Same mode as Sonic 1 and 2 SMS
- Acts: 1, 2 and boss
- Continues and special stages
- Dimensional Stage in Time Stones, lost in the zone (like the chaos emeralds in Sonic 1 and 2 SMS original game)
- Time Attack (future)
- Same mode as Sonic 1 and 2 SMS
- Boss Rush (future)
- Same mode as Sonic 1 and 2 SMS
2 Players (WI-FI) Mode:
- CO-OP
- Timelines mode
- Acts: 1, 2 and boss
- Shared Score
- Friend in CO-OP to collect Red Star Rings
- Battle (future)
- Inspired fan game: Sega Master System Brawl
- Grand Prix (future)
- Same mode as Sonic 1 and 2 SMS
- Zone select and acts mode
- Max Rings (future)
- Same mode as Sonic 1 and 2 SMS
- Zone select and acts mode