Windows
Multiplayer available in LAN mode only.
Railroad Tycoon II Platinum
Windows 95/98
Pentium 133 (recommended 166)
16 MB Ram
100 MB disk space
1024x768 capable video card AND a monitor capable of this resolution.
Railroad Tycoon 3
Windows 2000/XP (only)
400 mhz
128 MB RAM
1.2 GB Free Disk Space
16 MB 3D Video Card
mouse, and keyboard
DirectX compatible sound card with speakers/headphones recommended.
Sid Meier's Railroads!
Windows 2000, Windows XP
1.4GHz Intel Pentium 4 or AMD Athlon processor or equivalent
512 MB RAM
64 MB Video card with hardware pixel and vertex shaders (GeForce 3, Radeon 8500 or better)
DirectX 7 compatible sound card
1.7 GB of free disc drive space