Martian Canals

Hint: How do I control the barge?

Hint: What does the purple button do?

Hint: What does the orange button do?

Hint: How do I decode the alien's message?

Hint: There are two docks at the same location. How do I get to both?

Hint: How do I buy an exit at the exit shop?

Hint: How do I use the exit?

Hint: How do I get past the machine safely?