Recently I came across an old and forgotten build of Caster from May of 2004. It’s interesting to see how the game has evolved since then.
Here’s a link to download it if you’re interested (it’s 3 MB).
From the README.txt:
CASTER
By Mike D. Smith
Music By pajama crisisControls
Move Up: up arrow, w
Move Down: down arrow, s
Move Left: left arrow, a
Move Right: right arrow, d
Punch: j
Jump: space bar
Change view: mouse with buttons.
Exit: escNo point to the game yet, but there will be.