Not free to play for 24 hours, actually free. If you install it you get to keep it. LIMBO is actually a pretty great platformer you all need to try.
A few people messaged me about it and I agree it's worth a quick shout out. Not much to say another than hooray a free game, go check it out.
It has been on Linux for some time now, originally a Wine-port by Codeweavers, it was later turned into a full native port.
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