This was really cool! I unfortunately didn't make it to the end because after the 6th time I missed the jump after that first checkpoint I was just too annoyed to keep going.
But I liked pretty much everything abotu the game, the PS1 style graphics were well done, the audio was well done and the voice lines reminded me of Gex. The movement mostly felt good except for how I kept falling off at that first checkpoint in the level like I mentioned.
I loved the death screen btw.
Overall I liked it, but the platforming just became too tedious after a while.
Good work!