Metro: Last Light is 60 percent off on Steam until 4PM PT on Thursday – that means it's marked down to $20. Last Light is the sequel to Metro 2033, which also happens to be on sale this week for $3.75.

The sale arrives just in time for Metro: Last Light's Tower Pack DLC, which launches this week. The add-on content is free for Season Pass holders and can be purchased separately for $5.
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Metro: Last Light - Tower Pack

This article was originally published on Joystiq.