SimTower

SimTower: The Vertical Empire is a construction and management simulation video game developed by OPeNBooK and released in 1994 for Microsoft Windows and Macintosh System 7. Outside Japan, the game was published by Maxis and branded as part of their Sim series. Ports for Sega Saturn and 3DO were released in 1996. A sequel titled The Tower II was released in 1998 and called Yoot Tower outside Japan.