There is a new RETURN bundle available for USD 1,99+ at Groupees with multiple retro games, including 3 Protovision games!
Included are: It’s Magic 2 (C64), Advanced Space Battle (C64), Strokeworld (C64, Reshoot (Amiga), Tales of Gorluth 2 (Amiga), System Shock (PC), I have no mouth, and I must scream (PC).
https://groupees.com/return4
The bundle runs for two weeks, so be quick.