https://internal-matter.itch.io/sword-arena

Sword Arena is a fast-paced 2D fighting/Arena Game. Designed around competitive local versus gameplay allowing simultaneously up to four players or AI on screen. The single player / 2-player co-op campaign contains challenging gameplay and levels, and consists of fighting your way through many enemies and Bosses. Keyboard and Full Controller Support (can even be played four people on the same keyboard).