Thanks for the feedback. I will try to fix it in next game jam. I am glad that you don't get motion sickness as expected, I guess I can raise the level up.
Limbo Express is indeed designed based on the lessons from the last few Song of Morus games. During Laments On the Brine, I learnt that a moving background makes the game feel much more intense. And during Skypatch, I leanrt that designing a stage based on real world is difficult and time-consuming for solo team. And these inspired me to make a game with a speeding train in a surreal world.
For Norton's reaction, I hope it's alright.