OpenTTD project is modeled after the original Transport Tycoon game by Chris Sawyer and enhances the game experience dramatically. Many features were inspired by TTDPatch while others are original.

Here are some key features of "OpenTTD":

Significant enhancements

· autorail build tool
· canals/shiplifts
· larger stations
· non-uniform stations
· ability to join stations (of same width or length)
· checkpoints
· mammoth trains
· multiheaded trains
· Build on slopes and coasts
· goto depot order
· longer bridges
· higher bridges
· two new bridges
· presignals (CTRL-click on existing signals)
· semaphores (CTRL-D to place them)
· order sharing and copying ("goto" on other vehicle to copy, ctrl+"goto" to share)
· TTDpatch compatible Nonstop-Handling
· crossing tunnels
· build many trees on one tile
· bribe the town authority

Better useability:

· convert rail tool (to rail, monorail, maglev)
· build stations with drag
· build while paused
· Mouse wheel can be used to scroll in menus and to zoom in/out on win32
· autoscroll (to left/right)
· bigger demolish tool
· plant trees on area
· sell whole train by dragging to dynamite trashcan
· cost estimation with Shift
· road and rail removing by dragging

New options:

· "no train service" option
· "no inflation" option
· "full load any" option, as in ttdpatch
· Feature: "select goods" option
· "multiple similar industries in close proximity" option
· "multiple industries per town" option
· news item for "train is unprofitable" (change in openttd.cfg)
· news item for "train is lost" (change in openttd.cfg)
· starting_date, takes a value on the form yyyy, yyyymm or yyyymmdd.
· select what vehicle types the ai will build
· ability to chose snowline height
· change default servicing interval for vehicles
· change max # of vehicles per player
· new pathfinding algorithm for trains (enable with new_pathfinding)

Graphical/interface features:

· screenshots can be BMP, PNG or PCX (select in game options menu)
· More currencies (including Euro introduction in 2002)
· More townname languages
· window mode
· with double size mode (ctrl-d to toggle) (only Windows)
· resolution selection for fullscreen mode
· refresh rate configuration setting
· town directory sorting
· patch options configuration window
· "debtmax" faster loan management with ctrl key
· colorful newspaper after a certain date
· game speed increase (through fast forward button or by pressing Tab)
· color coded vehicle profits
· plant random tree type
· Hotkeys

What's New in This Release:

· contains lots of small bugfixes
· fixes a bug that could lead to remotely triggered crashes of clients