Won a final round in Czech national programming contest at the age of 15. Note: You need MS-DOS emulator, it won't run in Windows today! It was 15 years ago!
Contest stats: http://www.sgp.cz/cz/bb2002/vysledky/BB2002-Vysledky-finale.htm
Playable game with English/Czech translation and game editor HERE: https://www.dropbox.com/s/yg9l3tbdfu9x8wd/Lukas_Satin_CITY.zip?dl=1
The game is GTA 1 like simulation, where you can play both Thief & Cop in a campaign mode. It features also car and level editor. The only downside was 256 colour palette.