Hello, a few things here:
-This game is inspired by cleansed from the last game jam. Neither yhvr nor I used an engine for the game.
-As for the starved part, it does happen a bit later on, when your drills start running out. Traps are not fully balanced in the food section, I had something else planned for hunger and health but unfortunately I didn't have enough time to implement them so that's why it feels rather underwhelming.
-As for the arrow keys, this was caused by a typo in one of the Modals. Will fix when Florian enables updating for the jam games. Sorry!