A simple shoot'em up for 2players and it's made by AMOS Pro.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                12357   17100  72.3% -lh5- 6e70 Nov 13  1992 libs/arp.library
[generic]                 1292    1756  73.6% -lh5- f9a2 Nov 13  1992 libs/explode.library
[generic]                 9693   14276  67.9% -lh5- 00bf Nov 13  1992 libs/req.library
[generic]                17188   25724  66.8% -lh5- 54d3 Nov 13  1992 libs/reqtools.library
[generic]                75626   80304  94.2% -lh5- 50dd Nov 13  1992 ufos
[generic]                  591    1392  42.5% -lh5- b68c Nov 13  1992 UFOS.doc
[generic]                  166     215  77.2% -lh5- 9c00 May 22  1995 UFOS.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         7 files  116913  140767  83.1%            May 26  1995