Hi,
here some additions to the 5200.
1) Combat II "demo" released at:
https://atariage.com/forums/topic/17851-z-adventure-and-combat-ii-binary-demos/?tab=comments#comment-187485If through the demo is (C) 2003, the post with download was available in Dec 2002. I'm not a law expert but should be freeware. It also could be seen as a beta-software. Please correct if other rules apply
<game name="Combat II (demo-playable) (2002-12)(Mean Hamster Software)(FW)">
<description>Combat II (demo-playable) (2002-12)(Mean Hamster Software)(FW)</description>
<rom name="Combat II (demo-playable) (2002-12)(Mean Hamster Software)(FW).bin" size="32768" crc="2e3d0ad9" md5="79c090031225a8cd0e4e181c496eefaf" sha1="038d0ca61d0e1c17fb322957a2afa91fcca17546"/>
</game>
2) DEBUG52 V1.10 released at:
https://atariage.com/forums/topic/3236-5200-debugger/sadly the linked page is down :-(. The Application has also a Copyright but was free to download so FW.
<game name="DEBUG52 V1.10 (2002-03)(Johnston, Jeffry)(FW)">
<description>DEBUG52 V1.10 (2002-03)(Johnston, Jeffry)(FW)</description>
<rom name="DEBUG52 V1.10 (2002-03)(Johnston, Jeffry)(FW).bin" size="32768" crc="2a4b17c6" md5="acdc9791977ef7e440226668daa66cf0" sha1="626b398cc2103db6e6b57027e5091d0755506236"/>
</game>
3) 5200 Doom released at:
https://atariage.com/forums/topic/11577-5200-doom/sadly the linked page is down. It is a tech demo, i don't have the source anymore but was according to the post released - thus PD
<game name="5200 Doom (2002-07)(Johnston, Jeffry)(PD)">
<description>5200 Doom (2002-07)(Johnston, Jeffry)(PD)</description>
<rom name="5200 Doom (2002-07)(Johnston, Jeffry)(PD).bin" size="32768" crc="9c846b4c" md5="08d747dc30d259ea092e9a82d4e56eef" sha1="6c91197fad5f47e4bcc50241520a0dca270cf656"/>
</game>