Yup, that's right! With the new release of NO$GBA, its DS emulation is getting even better. Better enough, in fact, to emulate Sonic Rush! I'm going to concentrate on the recently dumped E3 beta here, though (but the final Rush works just as well).
Screenshots:
Sega screen.
Title screen.
Starting the first level. Only a single act, then the boss. Also, Sonic's model seems to be a bit different.
w00! =P
Showing off the homing attack, which is triggered by pressing jump twice (rather than jump + R, like in the final).
Again.
R button tricks have no aura in front, on Sonic's shoe. Finishing tricks also have the "All right!" sound (when you press A).
Grinding. I *THINK* the rails look a bit different, but maybe it's just me.
Showing off the prime difference about this proto - dashing in mid air. You can initiate and kill a dash as many times as you want, so you can clear a lot of distance with this.
Again.
...and again.
Times reset after death.
The huge ball at the end of the level takes your rings and kills you both at once.
Big ring at the end of the level.
End level results.
Boss starting screen.
The boss itself. The boss only takes 4 hits to defeat, oddly.
Slightly different "looking up" animation. Seems to directly mimic the one from the advance games.
Hitting the boss.
Defeating the boss. Music is still going, rather than stopping like in the final.
Results screen after beating the boss.
Ending screen after beating the demo.
Get the emulator
here, and make sure you get 2.4a (it works the best). Also, if anyone finds anymore Rush beta stuff, let me know, since this thing was running slow as hell the whole time I ran it (though it did run).
Anyway, enjoy!