Here's what's new in v0.2.1:
* Added IMA ADPCM compression and playback for the sound effects. Currently only the explosions are IMA ADPCM compressed.
* Added Deflate-like compression to the toolchain, and Inflate-like into the game (didn't follow the RFCs 100%).
* It's possible to shoot holes into the background graphics with the machine gun by enabling the "ALL BULLETS DO HOLES" option.
* PAUSE status flag isn't saved into SRAM any more along with the other status flags.
* Added small explosions to plane collisions.
* Added water drop particles that collide with the backgrounds, and with each other.
* Fixed and optimized background collision data calculation.
* The plane attribute values in the plane selection screen were shown in wrong order.
* The plane attribute values are now used (minus weight). You can expect that the default values will go through a lot of tweaking.
* Decreased stack usage (especially the ARM7 of dswifilib was eating lots of stack).
* The special weapon selection remains when the player dies.
* On the network configuration menu page, it's possible to choose the number of the access point configuration in firmware (1-3) that the game uses.
...
Duh, well, Markus didn't have the time to finish the level data importer, so the levels are
a bit empty at the moment.
Anyway, expect that to be fixed pretty soon. Hopefully in
the next release in a week.