ZZZ_UNK_ALIEN_IN - Amstrad CPC - Sci-Fi, Unknown

Banished long ago from the planet's surface, the Rivanves are trying to escape using the ladders dropped by the Nemas. Your job is to intercept those hostile drops by destroying the ladders. If one of the Rivanves manages to escape, he will exterminate you... In addition to the ladders, you can also crush those little darlings for a few more points and some satisfaction...