 thumb|right|220px|logo unreal ][ - the 2nd reality (later known as second reality), is a demo created by future crew for the assembly '93 demoparty. in the pc demo competition, second reality placed first with its demonstration of 2d and 3d rendering. the demo was released to the public in october 1993. it is considered to be one of the best demos created during the early 1990s on the pc; in 1999 slashdot voted it one of the "top 10 hacks of all time". its source code was released in github repository into the public domain under a "unlicense" licensegithub.com/mtuomi/secondreality/blob/master/unlicense on the 20th anniversary of release on 1 august 2013. == demo description == many techniques used by other demos, including future crew's own earlier work, were refined and reused in second reality. the demo had a soundtrack of techno music composed by skaven and purple motion using screamtracker 3. the degree of synchronization of the visuals with the music was highly impressive for its time. {| |- |thumb|left|220px|introduction === introduction === first the introduction plays, demonstrating text rendering on a background. after that is done, several ships appear and fly away from the camera, demonstrating 3d rendering. after some distance the ships explode, sending out a shockwave (reminiscent of the praxis explosion effect seen in the film star trek vi: the undiscovered country). the screen fades to display a rendition of wendigo, at which point purple motion's main musical score for the demo begins. the image then flattens and falls horizontally to become a 3d, polygonal checkerboard. |- |thumb|right|220px|bouncing sphere === bouncing sphere === the music has now finished its introductory notes at this point and the first melody starts. next a glenz (additively blended) polyhedron appears and bounces on the checkered surface, in perfect timing with the 
1993_software Demos Public_domain_software