I like the idea, but also didn't get the genre and the mechanic that this game is done without. I also didn't know where I need to go. I got stuck at the part two monsters are waiting for me: I cant jump over that. The controls were a bit strange too (jump on the ladder). Therefore I weren't able to go so far in your game. I think the core mechanic currently has little depth to it, consider adding something that you can combine with that, like in one of the best games I saw in this jam: https://lonebot.itch.io/what-goes-up - you can't fall down, but then you have ladders and the hook system to compliment that.