These files are from the Amiga version of Myst a game by info@clickboom.com

The demo version of the game where til files are from can be downloaded from:

http://main.aminet.net/game/demo/MYST-demo1.lha
http://main.aminet.net/game/demo/MYST-demo2.lha
http://main.aminet.net/game/demo/MYST-demo3.lha
http://main.aminet.net/game/demo/MYST-demo4.lha
http://main.aminet.net/game/demo/MYST-demo5.lha
http://main.aminet.net/game/demo/MYST-demo6.lha
http://main.aminet.net/game/demo/MYST-demo7.lha

http://main.aminet.net/game/demo/MYST-demo1.readme