Origin8’s popular sci-fi themed Tower Defence game Sentinel: Mars Defense will be free for the next two weeks in the run up to Christmas.
This is not the first time Origin8 has offered this game for free, if you missed it earlier this is the perfect time for you to get a taste of this addictive strategy based game.
The designers of the “Sentinel” games are already working on the third space strategy game. If you enjoy this free (for limited time) game then you might want to try out Sentinel 2: Earth Defense too.
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