See the following URL for SDL requirements:-

http://aminet.net/package/dev/misc/SDL-Amiga

dangen is a shoot 'em up game that attach importance to accuracy of shooting.
With the combination of the cursor key and the shot button, you can shoot
at your side or even at your back.  Get the bonus point by hitting the
enemy without a miss.  You can choose stages of different difficulty.


Key Controls:-

cursor keys     move
space           shoot
ESC             quit
p               pause/continue


Known minor issues:-

FullScreen mode is not available for the NoFPU version.



Feeling bored ?  :)
Why not check out this URL ?

http://home.iprimus.com.au/lombi/1/homepage.htm

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[unknown]                 1840    2802  65.7% -lh5- 4687 May 16 12:49 dangen.info
[unknown]                  489    3692  13.2% -lh5- 15ee May 16 13:24 dangen/.dangen/play-record.txt
[unknown]                  169     235  71.9% -lh5- 886f May 16 12:55 dangen/dangen
[unknown]               403340  403340 100.0% -lh0- e9b3 May 16 13:21 dangen/dangen.fpu
[unknown]                  227     460  49.3% -lh5- 0d74 May 16 12:49 dangen/dangen.info
[unknown]               386244  386244 100.0% -lh0- c4c8 May 16 12:40 dangen/dangen.nofpu
[unknown]                 1839    2802  65.6% -lh5- 7f3b May 16 13:09 dangen/docs.info
[unknown]                 3599   10795  33.3% -lh5- 5694 Aug 11  2005 dangen/docs/Artistic-2
[unknown]                  252     487  51.7% -lh5- 6b0d May 16 13:09 dangen/docs/Artistic-2.info
[unknown]                 1040    2372  43.8% -lh5- c03f Aug 26  2011 dangen/docs/ChangeLog
[unknown]                  253     487  52.0% -lh5- 22c9 May 16 13:09 dangen/docs/ChangeLog.info
[unknown]                  717    1439  49.8% -lh5- 8a97 Nov 10  2009 dangen/docs/dangen.6
[unknown]                  235     468  50.2% -lh5- 3972 May 16 13:09 dangen/docs/dangen.6.info
[unknown]                  541     915  59.1% -lh5- 19aa May 16 13:16 dangen/docs/dangen_68k.readme
[unknown]                  235     487  48.3% -lh5- de62 May 16 13:24 dangen/docs/dangen_68k.readme.info
[unknown]                 7014   17992  39.0% -lh5- 4902 Aug 11  2005 dangen/docs/GPL-2
[unknown]                  254     487  52.2% -lh5- ecc5 May 16 13:09 dangen/docs/GPL-2.info
[unknown]                  363     632  57.4% -lh5- 31d3 Aug 11  2005 dangen/docs/LICENSE
[unknown]                  253     487  52.0% -lh5- faf6 May 16 13:09 dangen/docs/LICENSE.info
[unknown]                 2924    7080  41.3% -lh5- c89e Nov 10  2009 dangen/docs/README
[unknown]                 3226    6643  48.6% -lh5- 4f38 Nov 10  2009 dangen/docs/README-ja-sjis
[unknown]                  235     468  50.2% -lh5- d27b May 16 13:09 dangen/docs/README-ja-sjis.info
[unknown]                 3588    9268  38.7% -lh5- 1237 Nov 10  2009 dangen/docs/README-ja-utf8
[unknown]                  234     468  50.0% -lh5- f943 May 16 13:09 dangen/docs/README-ja-utf8.info
[unknown]                  252     487  51.7% -lh5- e687 May 16 13:09 dangen/docs/README.info
[unknown]                 1067    1452  73.5% -lh5- 5096 Nov 12  2011 dangen/IconX
[unknown]                 1618    1618 100.0% -lh0- 8d74 Aug 11  2005 dangen/local/share/games/dangen/image/font-medium.png
[unknown]                 1553    1553 100.0% -lh0- ed57 Aug 11  2005 dangen/local/share/games/dangen/image/font-terminus.png
[unknown]                 1553    1553 100.0% -lh0- ed57 Aug 11  2005 dangen/local/share/games/dangen/image/font.png
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total        29 files  825154  867213  95.2%            May 30 05:34