Developer Sarah Jane Avory has just released Neutron which is a old school, frantically paced space shooter for the C64. (PAL Only).
This version of the release was created for the 2019 RGCD C64 16KB Cartridge GameDev Compo.
Neutron is free to download however you can click the “Name Your Own Price” option on the developers page and make a donation to support the Sarah’s efforts.