Free dodgin software for linux

Dodgin Diamond 2 project is a little shoot-em-up arcade game.
The game is for one or two players.
It aims to be an "old school" arcade game with low resolution graphics, top-down scrolling action, energy based gameplay, and different weapons with several levels of power.
Main features:
- Top-down arcade game.
- One or two players.
- Energy based gameplay (up to ten hits).
- Music and sound where available.
- Three different weapons with five levels of power.
- Companion bot.
- Shield cells.
- 2 stages (with final boss).
- Full joystick support (one or two joysticks).