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OpenTTD

23 indexed repositories · View on GitHub

OpenTTD
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

C++ · 8498 stars
OpenGFX2
Base graphics set for OpenTTD

Python · 94 stars
OpenGFX
8bpp Graphics Base Set for OpenTTD

JavaScript · 64 stars
nml
NewGRF Meta Language

Python · 61 stars
OpenMSX
Music Base Set for OpenTTD

Makefile · 31 stars
dibridge
Discord <-> IRC Bridge

Python · 22 stars
website
OpenTTD's website in Jekyll

HTML · 21 stars
OpenSFX
Sound Base Set for OpenTTD

Makefile · 18 stars
team
Repository to automate members of the OpenTTD teams

Python · 16 stars
infra
Infrastructure as Code for all OpenTTD's services

Python · 12 stars
grfcodec
nfo (de-)compiler for NewGRFs

C++ · 12 stars
eints
WebTranslator for OpenTTD and its add-ons

Python · 6 stars
wiki-data
Wiki storage for https://wiki.openttd.org

CSS · 6 stars
bananas-api
OpenTTD's content service API (BaNaNaS API)

Python · 4 stars
bananas-frontend-web
Front-end to the BaNaNaS API

HTML · 4 stars
bananas-server
OpenTTD's content server (in-game)

Python · 3 stars
game-coordinator
Game Coordinator, to coordinate network games for OpenTTD

Python · 3 stars
steam-social
OpenTTD's Social Integration Plugin for Steam

CMake · 2 stars
py-protocol
OpenTTD's wire protocol as Python library

Python · 2 stars
actions
GitHub Actions as used by OpenTTD projects

JavaScript · 2 stars
3 more repositories live on View on GitHub

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Inappropriate language on screenshot
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Difficulty 1/5 Under an hour Newbie friendliness 72/100

OpenTTD/website#418 · Opened Nov 12, 2026

Maintainers usually reply within 1 day
[Crash]:
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Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenTTD/OpenTTD#16175 · 2 comments · Opened Nov 11, 2026

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[Bug]: Incorrect scrolling behaviour in train details window total tab since #15389
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Difficulty 2/5 1-3 hours Newbie friendliness 56/100

OpenTTD/OpenTTD#16173 · Opened Nov 10, 2026

Maintainers usually reply within 1 day
[Bug]: Undownloadable Online Content items
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Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/OpenTTD#16167 · Opened Nov 8, 2026

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[sv_SE] Translator access request
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request_access

Difficulty 1/5 Under an hour Newbie friendliness 20/100

OpenTTD/team#732 · 1 comment · Opened Nov 8, 2026
[Bug]: Maglevs speed on PURR rails
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Difficulty 4/5 3-5 days Newbie friendliness 18/100

OpenTTD/OpenTTD#16139 · 3 comments · Opened Nov 2, 2026

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[Crash]: Crash on resetting AI configuration options
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Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/OpenTTD#16124 · 3 comments · Opened Oct 31, 2026

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[Crash]: Clicking a airplane
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needs triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenTTD/OpenTTD#16119 · Opened Oct 30, 2026

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[Bug]: Ship income is not shown in the finace report
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Difficulty 3/5 1-2 days Newbie friendliness 53/100

OpenTTD/OpenTTD#16118 · 2 comments · Opened Oct 29, 2026

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[Bug]: Dropdown menu items not highlighted when hovered
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Difficulty 3/5 1-2 days Newbie friendliness 57/100

OpenTTD/OpenTTD#16113 · 5 comments · Opened Oct 28, 2026

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[Bug]: Attempt to build/replace a vehicle of incompatible rail/road type results in ERR_UNKNOWN
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Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenTTD/OpenTTD#16083 · 1 comment · Opened Oct 14, 2026

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[Bug]: AITile::IsBuildable() returns unexpected result
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Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/OpenTTD#16067 · 4 comments · Opened Oct 7, 2026

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[be_BY] Translator access request
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request_access

Difficulty 1/5 Under an hour Newbie friendliness 25/100

OpenTTD/team#723 · 5 comments · Opened Oct 5, 2026
Feature request: Support for multiple channels
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Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenTTD/dibridge#283 · 1 comment · Opened Sep 30, 2026
[Bug]: Snow Coverage below 50% on a height 1 map does not spawn any snow tiles.
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Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/OpenTTD#16016 · 6 comments · Opened Sep 19, 2026

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[Crash]: Freeze when activating fullscreen mode
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Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/OpenTTD#16012 · 1 comment · Opened Sep 18, 2026

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[Crash]: Clicking in a bus
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Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/OpenTTD#16009 · 3 comments · Opened Sep 15, 2026

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Sprite Encoding/Cache/Palette Check performance is poor due to generic.find_file
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Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/nml#440 · 4 comments · 2 reactions · Opened Aug 29, 2026
[Bug]: cargodist: cargo will never have a destination with dummy orders
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Difficulty 4/5 3-5 days Newbie friendliness 40/100

OpenTTD/OpenTTD#15953 · 1 comment · Opened Aug 14, 2026

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Translate main folders to pt-BR
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translation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/wiki-data#61 · Opened Aug 3, 2026
[Bug]: Cursor snaps to bottom right of screen
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needs triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenTTD/OpenTTD#15912 · 1 comment · Opened Jul 26, 2026

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[Bug]: AI: Function::acall() does not work on some functions
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Difficulty 4/5 3-5 days Newbie friendliness 55/100

OpenTTD/OpenTTD#15893 · 4 comments · Opened Jul 22, 2026

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Probable abuse on the Wiki's main page
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Difficulty 3/5 1-2 days Newbie friendliness 35/100

OpenTTD/wiki-data#60 · 4 comments · Opened Jul 19, 2026
[Bug]: Desert Coverage below 50% on a height 1 map does not spawn any desert tiles.
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bug priority: low

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenTTD/OpenTTD#15774 · 3 comments · Opened Jun 25, 2026

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Y offset for 4x zoom sprites does not precisely match specification.
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Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/OpenGFX2#257 · Opened Jun 24, 2026
Water flashes when zoomed out
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Difficulty 3/5 1-2 days Newbie friendliness 42/100

OpenTTD/OpenGFX#109 · 1 comment · Opened Jun 11, 2026
fails to initialize if steam account does not own OpenTTD
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Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenTTD/steam-social#6 · Opened Jun 5, 2026
[Bug]: multiplayer connection timed out
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Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/OpenTTD#15640 · Opened May 29, 2026

Maintainers usually reply within 1 day
Inner-node communication doesn't survive reboots on OCI
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Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/infra#3 · 6 comments · Opened May 24, 2026
Bad gateway [Error code 502]
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Difficulty 4/5 1-2 days Newbie friendliness 25/100

OpenTTD/bananas-server#433 · 17 comments · 1 reaction · Opened May 20, 2026
[Bug]: Setting "Road vehicles: drive on left/right" affects semaphore graphics
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enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenTTD/OpenTTD#15608 · 4 comments · Opened May 16, 2026

Maintainers usually reply within 1 day
Library will not build with recent clang >= 20
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Difficulty 4/5 1-2 days Newbie friendliness 35/100

OpenTTD/grfcodec#66 · 1 comment · Opened May 16, 2026
[Crash]: Just crashed a few seconds after loading into the Main Menu
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waiting on author

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/OpenTTD#15595 · 1 comment · Opened May 9, 2026

Maintainers usually reply within 1 day
[Bug]: The finances window shows too many (in)significant figures
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enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenTTD/OpenTTD#15594 · 1 comment · Opened May 9, 2026

Maintainers usually reply within 1 day
[Bug]: Primary industry production counts sawtooth
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enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 52/100

OpenTTD/OpenTTD#15593 · 5 comments · Opened May 9, 2026

Maintainers usually reply within 1 day
CODINGSTYLE.md is a bit outdated.
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Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenTTD/OpenTTD#15592 · Opened May 8, 2026

Maintainers usually reply within 1 day
[Bug]: Regression in vehicle sort behaviour across different NewGRFs
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Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenTTD/OpenTTD#15556 · 1 comment · Opened Apr 29, 2026

Maintainers usually reply within 1 day
[Bug]: Constant "Network-Game synchronisation failed" and disconnects
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waiting on author

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/OpenTTD#15552 · 1 comment · Opened Apr 28, 2026

Maintainers usually reply within 1 day
[Crash]: OpenTTD stopped and crashed shortly after loading savegame
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Difficulty 4/5 3-5 days Newbie friendliness 32/100

OpenTTD/OpenTTD#15551 · 2 comments · Opened Apr 28, 2026

Maintainers usually reply within 1 day
Error when connecting to IRC (v1.4.2)
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Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenTTD/dibridge#275 · 1 reaction · Opened Apr 16, 2026
[Crash]: Game crashes after system start (only first launch)
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Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/OpenTTD#15471 · 2 comments · Opened Apr 12, 2026

Maintainers usually reply within 1 day
[Crash]: Can't disable fullscreen mode
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Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/OpenTTD#15468 · 1 comment · Opened Apr 12, 2026

Maintainers usually reply within 1 day
[Crash]: Crashed suddenly after Fast forward
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Difficulty 4/5 3-5 days Newbie friendliness 38/100

OpenTTD/OpenTTD#15434 · 1 comment · Opened Apr 5, 2026

Maintainers usually reply within 1 day
[Bug]: money is drained to Capital Expenses Other
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waiting on author

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenTTD/OpenTTD#15414 · 10 comments · Opened Apr 2, 2026

Maintainers usually reply within 1 day
[Bug]: Game seems to flicker if I go to open my computer's app dockbar in fullscreen or if I use my computer's screenshot feature in fullscreen
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Difficulty 4/5 3-5 days Newbie friendliness 42/100

OpenTTD/OpenTTD#15394 · Opened Mar 19, 2026

Maintainers usually reply within 1 day
[Bug]: my game starts graphically lagging after I am playing for a while
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Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenTTD/OpenTTD#15393 · 16 comments · 2 reactions · Opened Mar 19, 2026

Maintainers usually reply within 1 day
[Crash]: My game keeps crashing when the owner of a multiplayer server stops hosting
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waiting on author

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenTTD/OpenTTD#15365 · 2 comments · Opened Mar 4, 2026

Maintainers usually reply within 1 day
[Bug]: Crash while loading an active NewGRF settings
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waiting on author

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenTTD/OpenTTD#15349 · 2 comments · Opened Mar 1, 2026

Maintainers usually reply within 1 day
[Bug]: Incorrect tooltips in link graph
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Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenTTD/OpenTTD#15346 · 2 comments · Opened Feb 28, 2026

Maintainers usually reply within 1 day
[Bug]: Mouse cursor not usable on macOS 26.3 with OpenTTD 15.x
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Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenTTD/OpenTTD#15316 · 3 comments · Opened Feb 19, 2026

Maintainers usually reply within 1 day

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