| StarStrider | Colliding Galaxies | OpenUniverse | CyberSky | |
| 2.8.7 | 1.22 | 1.0 Beta 3 | 5.1.1 | |
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| Shareware | Shareware | Open Source | Shareware | Licence |
| $22.00 | $24.95 | FREE | $34.95 | Price |
| 14.85 MB | 4.03 MB | 4.70 MB | 8.45 MB | File size |
| Sep 20, 2014 | Aug 19, 2009 | Feb 24, 2009 | Apr 24, 2017 | Update |
| 18 | 10 | 18 | 15 | Downloads |
| Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Windows XP, Windows 2000 | Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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