info aliencha 
Alien Challenge (World)
ROM name="igsc0102.u81" size="2097152" crc="e3432be3" sha1="d3597c885571d4a996afaaf29c78da123798371e"
ROM name="hfh_s.u86" size="65536" crc="5728a9ed" sha1="e5a9e4a1a2cc6c848b08608bc8727bc739270873"
ROM name="igst0101.u9" size="1048576" crc="2ce12d7b" sha1="aa93a82e5f4015c46bb705efb2051b62cd5d7e04"
ROM name="igst0102.u10" size="1048576" crc="542a76a0" sha1="6947b50a024d0053c1eaf9da8c90652bab875142"
ROM name="igst0103.u11" size="1048576" crc="adf5698a" sha1="4b798f8acc5d7581c7e0989260863ae0ca654acd"
ROM name="igsb0101.u8" size="2097152" crc="5c995f7e" sha1="4f08cf13e313c6802c924b914c73cab4b450da61"
ROM name="igsb0102.u7" size="2097152" crc="a2ae9baf" sha1="338ee260c33448568f138ca00e1d4edda4da018f"
ROM name="igsb0103.u6" size="2097152" crc="11b927af" sha1="2f15e5cea1b86cde3b679bdd0f3d79672d0ddd3e"
ROM name="igsa0101.u3" size="4194304" crc="374d07c4" sha1="87e9bfe32cbfe9964ba7253847fbd14aa3c8ed20"
ROM name="igsa0102.u2" size="4194304" crc="dbeee7ac" sha1="e0eb0d73d9230aa6f69f5ac25d44fa19affebe88"
ROM name="igsa0103.u1" size="4194304" crc="e5f19041" sha1="c92a29bbbcb9a1f63364c665e3e0f9679add4389"
ROM name="hfh_g.u65" size="262144" crc="ec469b57" sha1="ba1668078987ad51f47bcd3e61c51a0cf2545350"
ROM name="hfh_g.u66" size="262144" crc="7cfcd98e" sha1="3b03123160adfd3404a9e0c4c68420930e80ae48"
ROM name="yrw801-m" size="2097152" crc="2a9d8d43" sha1="32760893ce06dbe3930627755ba065cc3d8ec6ca"
🕑 Last update: February 16, 2026
info alienchac 
Alien Challenge (China)
ROM name="hfh_p.u80" size="524288" crc="5175ebdc" sha1="4a0bdda0f8291f895f888bfd45328b2b124b9051"
ROM name="hfh_p.u79" size="524288" crc="42ad978c" sha1="eccb96e7170902b37989c8f207e1a821f29b2475"
ROM name="igsc0101.u81" size="2097152" crc="704c48cf" sha1="908017b206622680ab766251294806c8c8c9388b"
ROM name="alien_u-86.u86" No differences from parent set (hfh_s.u86)
ROM name="igst0101.u9" No differences from parent set (igst0101.u9)
ROM name="igst0102.u10" No differences from parent set (igst0102.u10)
ROM name="igst0103.u11" No differences from parent set (igst0103.u11)
ROM name="igsb0101.u8" No differences from parent set (igsb0101.u8)
ROM name="igsb0102.u7" No differences from parent set (igsb0102.u7)
ROM name="igsb0103.u6" No differences from parent set (igsb0103.u6)
ROM name="igsa0101.u3" No differences from parent set (igsa0101.u3)
ROM name="igsa0102.u2" No differences from parent set (igsa0102.u2)
ROM name="igsa0103.u1" No differences from parent set (igsa0103.u1)
ROM name="alien_u65.u65" No differences from parent set (hfh_g.u65)
ROM name="alien_u66.u66" No differences from parent set (hfh_g.u66)
ROM name="yrw801-m" No differences from parent set (yrw801-m)
🕑 Last update: February 16, 2026
