Looks like a Thalamus cart is on the way:
Thalamus games from back in the day
Commercial releases:
Sanxion (1986, C64)
Delta (1987, C64)
Quedex (1987, C64)
Hunter's Moon (1987, C64)
Armalyte (1988, C64)
Armalyte: Competition Edition (1988, C64)
Hawkeye (1988, C64)
Snare (1989, C64)
Retrograde (1989, C64)
Sanxion: The Spectrum Remix (1989, Spectrum/Spectrum 128)
Hawkeye (1989, Amiga)
Armalyte (1990, Amstrad CPC)
Q8 Team Ford Rally Simulation (1990, Amstrad CPC)
Delta Charge (1990, Spectrum)
Creatures (1990, C64)
Summer Camp (1990, C64)
Heatseeker (1990, C64)
Venom Wing (1990, Amiga)
Digital Musician (1990, Amiga)
Mindroll (1990, Amiga)
Armalyte: The Final Run (1991, Amiga)
Creatures (1992, Atari St)
Creatures II: Torture Trouble (1992, C64)
Winter Camp (1992, C64/Amiga)
Borobodur (1992, Amiga)
Nobby the Aardvark (1993, C64)
Creatures (1993, Amiga)
S.U.B. (1993, Amiga/PC)
Unreleased titles:
Starline (1987, C64)
Bamboo (1989, C64)
Q8 Team Ford Rally Simulation (1990, Spectrum)
The Search for Sharla (1990, Spectrum, C64, Amiga)
Creatures (1990, Spectrum)
Armalyte (1990, Spectrum) - a demo version of one level was released.
Armalyte II (1990, C64)
Bombuzal (1990, Spectrum)
Delta Patrol (1992, Amiga)
Arsenal FC (1992, Amiga)
Beastmaster (1992, Amiga)
Nobby the Aardvark (1992, Amiga)
Street Warriors (1993, Amiga)
Restrictor (1993, Amiga and Atari ST)
So it's gonna be another PC cart. Just a matter of which platform(s).