Very neat game! I really like the structure/layout of the maze, it was possible to escape Carl while still being under danger if you didn't understand the layout of the maze.
Speaking of Carl, the pathfinding is really good! Carl is not smart enough to instantly fly towards you(which is good, that would be unfair) however he can still catch you because he's faster than you!
The assets are quite simple but work very well. I like how you didn't have to make the game in 3D but still decided to stick with it and the extra challenges it brings.
Overall, good first game!