The Portal by Flash Productions /demos/1993/p/portal.zip	29 Jun 1996 (catalog date) 594,566 bytes
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Released at event TP93 in the demo division and ranked 13

Spaceless by Portal Project /demos/1997/p/pp_sless.zip	21 Jan 1998 (catalog date) 1,389,003 bytes
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Released at event TMDC97 in the demo division and ranked 02 486,GUS/SB,EGA,

Space Noodle by Portal Project /demos/1998/s/snoodle.zip	19 May 1998 (catalog date) 806,548 bytes
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Released at event TG98 in the demo division and ranked XX ,32b VESA,GUS/SB/PAS,

Bizarre Portal by Exception /graphics/images/1997/p/portal.zip	23 Nov 1998 (catalog date) 443,197 bytes
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Released at event BIZ97 in the grtc division and ranked ?? 640x480x16m