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Just list the games you think no one knows of and post your rating score next to them.
Wurm Online - 7/10. Really really fun for the first two to three months. Then the UI gives you carpel tunnel and you never go back.
Perpetuum - 8/10. A really nice Eve clone that is based around mechs instead of ships. It's rough around the edges, but once you dive into it it's very enjoyable.
Salem - 5/10. Very interesting for about two weeks, then just becomes an insane grind.
Xsyon - 6/10. Just like the other sandboxes. Very interesting and fun while you're still learning the game, but once you learn it you realize it's retarded in design. Haha.