
1) Amstrad CPC game 2) Commodore 64 game 3) DOS game 4) IOS game 5) Virtual Console game
Found on
https://www.crosswordclues.com/clue/uridium

Uridium is a science fiction side-scrolling shoot `em up originally designed by Andrew Braybrook for the Commodore 64, and later ported to other 8-bit machines. It consists of fifteen levels, each named after a metal element, with the last level being called Uridium (a fictional metallic element, not to be confused with the real metallic element ....
Found on
http://en.wikipedia.org/wiki/Uridium
No exact match found.