lierolibre binary package in Ubuntu Focal riscv64

 lierolibre is an old-school earthworm action game. It is a direct fork of
 Liero (OpenLiero).
 .
 Features:
  * 2 worms, 40 weapons, great playability, two game modes: Kill'em All and Game
    of Tag, plus AI-players without true intelligence!
  * Dat nostalgia
  * Extensions via a hidden F1 menu
    + Replays
    + Game controller support
    + Powerlevel palettes
  * Ability to write game variables to plain text files
  * Ability to load game variables from both EXE and plain text files
  * New freely licensed audio
  * Scripts to extract and repack graphics, sounds and levels

Source package