Golden Axe game implemented in java using only standard libraries (java 2D, AWT, Swing & Java Sound API), so no external libraries required.
https://github.com/leonardo-ono/JavaGoldenAxe/releases/tag/v0.0.2
[F12] key: full screen mode
[F11] key: keep aspect ratio
[Arrow] keys: move player 1
[I] key: magic player 1
[O] key: attack player 1
[P] key: jump player 1
[A, S, D, W] keys: move player 2
[F] key: magic player 2
[G] key: attack player 2
[H] key: jump player 2
click the image above to see the gameplay video
https://goldenaxe.fandom.com/wiki/Main_Page
https://www.spriters-resource.com/genesis_32x_scd/goldenaxe/