Basically its a brand new game very similar and yet different from Terraria. The main difference is that there's ALOT moar stuff and other things also its pretty easy to mod right now along with hacks and with over 75,000 copys sold on steam within first day it's gonna be popular aswell.
Starbound
Starbound on Steam
https://www.youtube.com/watch?v=fyMJE9ZHIqQ
Right now you can mod the core configs and they'll work on MP they basically look like this;
Code:{
"itemName" : "beamaxe",
"inventoryIcon" : "gravgunicon.png",
"dropCollision" : [-4.0, -3.0, 4.0, 3.0],
"rarity" : "Legendary",
"maxStack" : 1,
"description" : "Manipulates anything that matters.",
"shortdescription" : "Matter Manipulator",
"largeImage" : "gravgunlarge.png",
"inspectionKind" : "tool",
"category" : "Tool",
"fireTime" : 0.25,
"blockRadius" : 2,
"altBlockRadius" : 1,
"twoHanded" : true,
"critical" : true,
"strikeSound" : "/sfx/tools/pickaxe_hit.wav",
"image" : "/humanoid/any/gravgun1.png",
"endImages" : [ "/humanoid/any/ball.png", "/humanoid/any/tileglow.png", "/humanoid/any/4tileglow.png" ],
"handPosition" : [-2, 0],
"firePosition" : [5, 0],
"segmentsPerUnit" : 1,
"nearControlPointElasticity" : 0.1,
"farControlPointElasticity" : 0.9,
"nearControlPointDistance" : 0.9,
"targetSegmentRun" : 1,
"innerBrightnessScale" : 20,
"firstStripeThickness" : 0.2,
"secondStripeThickness" : 0.05,
"minBeamWidth" : 1,
"maxBeamWidth" : 5,
"maxBeamJitter" : 0.06,
"minBeamJitter" : 0.0,
"minBeamTrans" : 0.1,
"maxBeamTrans" : 0.4,
"minBeamLines" : 1,
"maxBeamLines" : 5
}