OpenTTD v1.3.1-RC1 is released. OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe", written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

Features
OpenTTD is modelled 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.

Significant enhancements from the original game include:
bigger maps (up to 64 times in size)
stable multiplayer mode for up to 255 players in 15 companies, or as spectators
dedicated server mode and an in-game console for administration
IPv6 and IPv4 support for all communication of the client and server
in game downloading of AIs, NewGRFs, scenarios and heightmaps
new pathfinding algorithms that makes vehicles go where you want them to
autorail/-road build tool, improved terraforming
canals, shiplifts, aqueducts
larger, non-uniform stations and the ability to join them together
mammoth and multi-headed trains
different configurable models for acceleration of vehicles
clone, autoreplace and autoupdate vehicles
the possibility to build on slopes and coasts
advanced/conditional orders, share and copy orders
longer and higher bridges including several new designs, plus fully flexible tracks/roads under bridges
reworked airport system with many more airports/heliports (e.g. international and metropolitan)
presignals, semaphores, path based signalling
support for TTDPatch NewGRF features offering many options for graphics and behaviour configuration/modification
drive-through road stops for articulated road vehicles and trams
multiple trees on one tile
bribe the town authority
many configuration settings to tune the game to your liking
save games using zlib compression for smaller sizes, while not interrupting gameplay
significant internationalisation support. OpenTTD has already been translated into over 50 languages
dynamically created town names in 18 languages, plus NewGRF support for additional languages
freely distributable graphics, sounds and music
framework for custom (user) written AIs
zooming further out in the normal view and zooming out in the small map
Lots of effort has been put into making OpenTTD easy to use. These include:

convert rail tool (to electrified rail, monorail, and maglev)
drag&drop support for almost all tools (demolition, road/rail building/removing, stations, scenario editor, etc)
sorting of most lists based on various criteria (vehicle, station, town, industries, etc.)
mouse wheel support (scroll menus, zoom in/out)
autoscroll when the mouse is near the edge of the screen/window
sell whole train by dragging it to the dynamite trashcan
cost estimation with the 'shift' key
advanced options configuration window, change settings from within the game
Graphical/interface features:

screenshots can be in BMP, PNG or PCX format (select in game options menu)
more currencies (including Euro introduction in 2002)
extra viewports to view more parts of the game world at the same time
resolution and refresh rate selection for fullscreen mode
colourful newspaper after a certain date
colour coded vehicle profits
game speed increase (through fast forward button or by pressing the TAB key)
snappy and sticky windows that always stay on top and neatly align themselves to other windows
more hotkeys for even less mouse-clicking
support for 32 bit graphics
support for right-to-left languages
support for other (sized) fonts where the user interface scales based on the font and translation

OpenTTD v1.3.1-RC1 Changelog:

- Feature: Translations of baseset descriptions via language files (r25209, r25205) - Feature: Faroese and Scottish Gaelic translations (r25198, r25176) - Feature: Plural form to be used by Scottish Gaelic (1,11; 2,12; 3..10, 13..19; other) (r25078) - Change: [strgen] Allow any number of colour codes in translations (r25193, r25192, r25191) - Change: [Win32] MSVC 2010 comes with stdint.h (r25128) - Change: Be slightly more lenient with trying to detect a subversion repository in case someone has a sparse tags checkout. In that case the .svn folder misses from the $ROOT_DIR because it is in the $ROOT_DIR/.. (i.e. tags) folder (r25107) - Fix: 'No station' error was given, even when there was a station that way occupied or not yours [FS#5546] (r25243) - Fix: Crash when AI is executing a command as it is bankrupted (removed from the game) [FS#5547] (r25236) - Fix: Give bridges owned by noone (from bankrupt companies) to the first company which replaces the bridge. Everyone could have removed/rebuild the bridge anyway [FS#5541] (r25231, r25227) - Fix: [NewGRF] Revise when vehicle running sound effects 04, 07 and 08 are played; in depot or tunnel, or when crashed or stopped: No sound. Braking: Effect 08 instead of 07 [FS#5538] (r25226) - Fix: [NewGRF] Play vehicle sound effect also for planes (r25225) - Fix: [NewGRF] cur_speed is only valid for the front engine, so make other engines in the consist use the speed of the front [FS#5534] (r25224) - Fix: [NewGRF] Make tick_counters work the same for vehicles (r25223, r25222) - Fix: [NewGRF] IsCompatibleTrainStationTile() is not a symmetric function. Clarify the parameters and fix the cases were they were swapped (r25221) - Fix: Consider map border as water with repsect to river/canal continuation (r25220) - Fix: [Script] Clarify on which tiles IsDesertTile and IsSnowTile work, i.e. the ones without infrastructure or buildings, and introduce GetTerrainType for the cases where IsDesertTile/IsSnowTile do not work [FS#5537] (r25213) - Fix: The level crossing sound is an ambient sound and not a new year sound (r25200) - Fix: Original train and road vehicle acceleration did no longer respect bridge speed limits [FS#5523] (r25167) - Fix: [Win32] Do not statically link to SHGetFolderPath as it may not exist, and improve its emulation [FS#5522] (r25155, r25153) - Fix: [Win32] Do not store invalid paths in the search path list (r25154) - Fix: Remove stray reservation from savegames affected by FS#5510 et al. upon loading [FS#5520] (r25152) - Fix: [Script] XXBase::Chance function did not work for large values (>65535) [FS#5517] (r25148) - Fix: Several typos/inconsistencies in English strings [FS#5496] (r25144, r25143) - Fix: When extra dynamite was disabled, towns would be allowed to clear bridges with trams (r25141) - Fix: Towns are build as OWNER_TOWN, so they also need to be removed as OWNER_TOWN otherwise parts might remain [FS#5519] (r25140) - Fix: Editboxes could become too small when resizing windows (r25121) - Fix: Game script language files did not work, when inside a tar [FS#5509] (r25117, r25114) - Fix: [NewGRF] Acceleration of NewGRF aircraft was too fast, while acceleration of default aircraft was way too slow (r25115) - Fix: Pass $LDFLAGS_BUILD to all endian_check compilations (r25108)

Download: OpenTTD v1.3.1-RC1
Source: Here