The following is a collection of video files from a former website
of Fumito Ueda. These videos were found by a fan and stored
for several years. They are shown here for historical purpose, preceded by the widely spread video created by Fumito Ueda as a concept of ICO. The connexions between the lost files and this video are clearly visible.
Alike the concept video of ICO, the lost files were rendered in Lightwave 3D. Fumito Ueda is known for being an Amiga enthousiast, back in the days, hence the use of Lightwave 3D. The VFX shown in the lost file demonstrate an extensive use of the famous LW features, such as Skytracer and Hypervoxels. The metadata of each file are shown when available, incl. the date of creation.
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https://www.youtube.com/watch?v=Hj_nax05bcs