Games starting with U 
  
    
    
  mature 
  inactive since 2012 
 
  
  
  
  
  
 
  
    
    
   
  
  Platform:  Squad-based tactical strategy game in the tradition of the old X-COM PC games.
 
  Inspirations:  
  X-COM: Apocalypse  , 
  X-COM: Terror from the Deep  , 
  X-COM: UFO Defense  
  Developers:  
  aDuke1  , 
  Alexander Tishin  , 
  anthraxx  , 
  bayo  , 
  BTAxis  , 
  CH  , 
  DarkRain  , 
  DarkRainX  , 
  drane  , 
  Duke  , 
  Forest Hale  , 
  geever  , 
  Holger 'ShipIt' Gellrich  , 
  hwoarangmy  , 
  Ihor Hrytsenko  , 
  Internecivus Raptus  , 
  Kostia Romanov  , 
  Kracken  , 
  Maksym Kobieliev  , 
  Martin Gerhardy  , 
  Muton-UfoAI  , 
  Nate Wright  , 
  NateWr  , 
  radius75  , 
  Rudolfo Pinewood  , 
  rxadmin  , 
  Sander van Grieken  , 
  Sergii Pylypenko  , 
  Solbu  , 
  Tamás Fehérvári  , 
  Tron  , 
  UFO: Alien Invasion  , 
  UFOAI   
  
  
  
 
  
    
    
  mature 
  inactive since 2018 
 
  
  Platform:  Modern port of the roguelike Larn.
See also Nlarn.
  
  
    
    
   
  
  Platform:  Ultimate Dungeon Adventure (UlDunAd)
 
    Technical info 
  Code languages:  
  Python  
  Code licenses:  GPL-3.0 
  Code repositories:  nhydock/UlDunAd.git (
  
archived , 
  
since 2010 , 
)
  
Code dependencies:  
  NumPy , 
  
OpenGL , 
  
Pillow , 
  
pygame , 
  
wxPython  
  
 
  
    
    
   
  
  
  Inspiration:  
  SingStar  
  Developers:  
  Alexander  , 
  Alexander Sulfrian  , 
  basisbit  , 
  Benedikt Krueger  , 
  blindy  , 
  Brian Chalega da Silva  , 
  brianch  , 
  brunzel  , 
  Canni  , 
  Dawid Dembowski  , 
  djazz  , 
  Eddie  , 
  ePirat  , 
  Felix Kaechele  , 
  GaryCXJk  , 
  Hermann Döppes  , 
  Holger Kuhn  , 
  jay binks  , 
  joachimdieterich.com  , 
  Jose Riha  , 
  K.-M. Schindler  , 
  Karl-Michael Schindler  , 
  lotan_rm  , 
  Markus  , 
  Markus Böhning  , 
  MezzoX  , 
  Mog  , 
  mota23  , 
  RattleSN4K3  , 
  s09bQ5  , 
  shazzzzam  , 
  Simon Ruderich  , 
  Stefan L.  , 
  Tobias Gunkel  , 
  Valérianne  , 
  Whiteshark   
  
  
  
 
  
    
    
   
  
  Platforms:  Inspired by Tolkien's novel The Lord of the Rings.
  
  
    
    
   
  
  
  Inspiration:  
  Civilization V  
  Developers:  
  9kgsofrice  , 
  AdityaMH  , 
  Alexander Korolyov  , 
  Am-per-Sand  , 
  armandberger  , 
  Arthur van der Staaij  , 
  Augusto Oliveira  , 
  Brian Gainor  , 
  Bryan W. Weber  , 
  coding-human  , 
  Coruna  , 
  Daniel Bälz  , 
  dic1911  , 
  Duan Tao  , 
  F4R3LB3ST  , 
  Fantaziu Ion  , 
  Federico Luongo  , 
  Freshy  , 
  GGGuenni  , 
  Giuseppe D'Addio  , 
  givehub99  , 
  HadeanLake  , 
  Jack Rainy  , 
  jnecus  , 
  Kensvin  , 
  Kentalot  , 
  LeMoonStar  , 
  lishaoxia1985  , 
  logic  , 
  lyrjie  , 
  Marerjh  , 
  mrimvo  , 
  NoNZeeZ  , 
  Oheto  , 
  Oleg  , 
  paontv  , 
  pikkolpk  , 
  Prosta4okua  , 
  proteus-anguinus  , 
  RadioMagnetofonStereofoniczny  , 
  ravignir  , 
  rayray61  , 
  RCalleti  , 
  Roumaan  , 
  Runo Hawk  , 
  SimonCeder  , 
  SomeTroglodyte  , 
  SpacedOutChicken  , 
  StepanIvasyn  , 
  sulai  , 
  sveckarel  , 
  u-ndefine  , 
  vhj  , 
  Vladimir Tanakov  , 
  Voytee  , 
  Väinö Mäkelä  , 
  wrov  , 
  Xander Lenstra  , 
  Yair Morgenstern  , 
  Yann   
  
  
  
 
  
    
    
   
  
  Platform:  Project to recreate Ultima Underworld 1 on modern operating systems (e.g. Win32, Linux or MacOS), using the original game files.
Requires original game files.
  
  
    
    
   
  
  Platform:  Remake of Ultima Underworld, Ultima Underworld II: Labyrinth of Worlds.
  
  
    
    
   
  
  
  Inspiration:  
  Space Station 13  
  Developers:  
  [Redacted]  , 
  a_heckin_canadian  , 
  actions-user  , 
  Adalino  , 
  Akbadain29  , 
  Akronymus  , 
  aleios  , 
  Alessandro Romancino  , 
  Alex  , 
  Alex Evgrashin  , 
  Alvin  , 
  Andre Odendaal  , 
  Aranclanos  , 
  Atner  , 
  Autumn  , 
  Azzy  , 
  Badgers2  , 
  Baran Barut  , 
  Bebob  , 
  Bobtheapple  , 
  Bod9001  , 
  Bonfire  , 
  Buldinn  , 
  C4BRA  , 
  Cardioxo  , 
  Cassie Villarreal  , 
  chairbender  , 
  Christian Bender-Saebelkampf  , 
  Christopher Moore  , 
  CodeKalias  , 
  coolcat1711  , 
  Copern  , 
  craftxbox  , 
  cvdva  , 
  dapocalypse  , 
  DeeJayhX  , 
  dillonfurey  , 
  DMCraftGit  , 
  Doobly  , 
  DRAbsol  , 
  drneuris  , 
  DTraitor  , 
  Elijah Burshtein  , 
  Em3rgencyLT  , 
  Emma3DSS  , 
  Epicworlds  , 
  Eugene  , 
  Evan Rogers  , 
  Fax  , 
  Fiftyllama  , 
  Foma  , 
  Fortune117  , 
  Francesco  , 
  fuele  , 
  Gavin Rowan  , 
  Gil  , 
  Gilles  , 
  goman0  , 
  h3killa  , 
  Harcourt1  , 
  Hex  , 
  HiddenKnowledge  , 
  Human Being  , 
  Humonitarian  , 
  jackpotttt  , 
  Jacob Sweeten  , 
  James  , 
  James Simonson  , 
  JaytleBee  , 
  Jeremy Liberman  , 
  JesterX666  , 
  Jibbajabbafic  , 
  Joel Hedtjärn  , 
  Jorge Martinez  , 
  Josh M.  , 
  Justin Trotter  , 
  Keir Smith  , 
  Kjeld Schouten-Lebbing  , 
  ktndrnl  , 
  Lennoxicon  , 
  Leonard K  , 
  Lizurt  , 
  LukaErCaiman  , 
  Max  , 
  MaxIsJoe  , 
  Michael Bolland  , 
  Michael Nader  , 
  Michał Czemierowski  , 
  Moon  , 
  Moses  , 
  MrAsbestos  , 
  Necromunger  , 
  Nick M.  , 
  Nikolas Petrou  , 
  NinjaDanz3r  , 
  NoooneyDude  , 
  NuclearWinter  , 
  nuke  , 
  Ofek  , 
  PerfectTangent  , 
  PetMudstone  , 
  Puzzlemaker1  , 
  Pyrosshade  , 
  Ranzarth  , 
  Raptorizer  , 
  RedlineTriad  , 
  ReiderJack  , 
  RemberBL  , 
  Remo Andreoli  , 
  Richard Van Tassel  , 
  Robustin  , 
  Scorr  , 
  Semuca  , 
  Shelby Drabant  , 
  Skrimble  , 
  SluggyWuggies  , 
  spacerecycler  , 
  Steven Kessler  , 
  ThatDan123  , 
  THE0BEAST  , 
  Tim  , 
  Tjarr737  , 
  Vlad  , 
  vladb  , 
  Vladimír Kincl  , 
  Vlandemart  , 
  wraith-54321  , 
  YotaXP  , 
  yoysam  , 
  Zagamun  , 
  Ziiiiiplock   
  
  
  
 
  
    
    
   
  
  Platform:  With an emphasis on economy and city building.
Uses the FIFE engine. Godot port: https://github.com/unknown-horizons/godot-port
 
  Inspiration:  
  Anno (series)  
  Developers:  
  Aaron Franke  , 
  Aleksi Kinnunen  , 
  Allan Nordhøy  , 
  Andre R.  , 
  Andriy Bandura  , 
  Andrzej Bylicki  , 
  Antagonym  , 
  Armcoon  , 
  Arti  , 
  avalon3515  , 
  Bernhard M. Wiedemann  , 
  bringerer  , 
  chobkwon  , 
  Chris Oelmueller  , 
  Christoph Egger  , 
  cmocanu  , 
  Daniel André Eikeland  , 
  David Ulrich  , 
  desophos  , 
  DSAureli  , 
  Elizabeth Sherrock  , 
  Emil Hemdal  , 
  Fabian Streitel  , 
  Ghislain LEVEQUE  , 
  GreyGhost  , 
  icyvapor  , 
  Ivan  , 
  J.M. de Jong  , 
  Jakub Janek  , 
  Jana Weigel  , 
  jdigreze  , 
  Joan Josep  , 
  JOKer  , 
  Jorge Maldonado Ventura  , 
  Karar Al-Remahy  , 
  kennedyshead  , 
  Koji  , 
  Kornelijus Tvarijanavičius  , 
  Krzysztof Nowak  , 
  KT  , 
  LafarM  , 
  LostDaemon  , 
  Luis Martinez  , 
  Luiz Fernando Ranghetti  , 
  Lukáš Krejza  , 
  Mantas Kriaučiūnas  , 
  Manuel Mausz  , 
  Marius Schiffer  , 
  Markus Hackspacher  , 
  Mayeul Cantan  , 
  Mesutcan Kurt  , 
  Michael Alexsander  , 
  Michal Čihař  , 
  Mihai Bivol  , 
  milotype  , 
  Moritz Beller  , 
  Niektory  , 
  Nightraven  , 
  Nihathrael  , 
  nxxs  , 
  OlhaQue  , 
  Omaranwa  , 
  Ott Tinn  , 
  PacLow  , 
  Pavel  , 
  Pedro Henrique  , 
  Per Hermansson  , 
  Polshakov Dmitry  , 
  ptrsk  , 
  Ramon  , 
  Raphael Isemann  , 
  Reiner Gerecke  , 
  Robert Mitwicki  , 
  Rubén Viguera Marañón  , 
  rudis  , 
  Rui  , 
  Sandra  , 
  schtritoff  , 
  Sebastian Rasmussen  , 
  Siddharth Kothari  , 
  Silvério Santos  , 
  Slobodan Simić  , 
  Szabolcs Tóth  , 
  Thomas Kinnen  , 
  Thomas Kowaliczek-Schmer  , 
  Tobias  Schröfel  , 
  totycro  , 
  totycro uhyi  , 
  Translators  , 
  ttoocs  , 
  Tuomas Lähteenmäki  , 
  UnknownScribe  , 
  Viktoria S.  , 
  Vivek  , 
  Volkan Gezer  , 
  Weblate (bot)  , 
  Zappaman   
  
  
  
 
  
    
    
   
  
  Platform:  The hero must venture through the depths of the Dungeon of Doom to retrieve the Amulet of Yendor.
Based on NetHack.
 
  Inspiration:  
  NetHack  
  Developers:  
  aaxelb  , 
  copperwater  , 
  David Haft  , 
  Fredrik Ljungdahl  , 
  Guanpeng Xu  , 
  Guest41  , 
  guest41  , 
  gurr  , 
  Karl Garrison  , 
  kdgarris  , 
  Mikko Juola  , 
  NHTangles  , 
  Pasi Kallinen  , 
  Patric Mueller  , 
  Raz  , 
  tedav  , 
  Tung Nguyen  , 
  xororand   
  
  
  
 
  
    
    
   
  
  Platforms:  FPS/RTS hybrid game powered by the Daemon engine (a combination of ioq3 and XreaL).
 
  Inspiration:  
  Natural Selection  
  Developers:  
  Amanieu d'Antras  , 
  Anthony J. Bentley  , 
  caldazar-at  , 
  cmf028  , 
  Corentin Wallez  , 
  cu-kai  , 
  Darren Salt  , 
  David CARLIER  , 
  DefaultUser  , 
  DeLift  , 
  Dimitriio  , 
  Dmitry Tsarevich  , 
  Dolce Triade  , 
  gimhael  , 
  Gireen  , 
  gmcode  , 
  hurf blurf  , 
  Jani Mäkinen  , 
  jaytersen  , 
  kharnov  , 
  M. Kristall  , 
  maek  , 
  Mattia Basaglia  , 
  Maximilian Stahlberg  , 
  Morel Bérenger  , 
  necessarily-equal  , 
  neumond  , 
  Paweł Redman  , 
  Sixthly  , 
  slipher  , 
  Theodoros Theodoridis  , 
  Thomas Debesse  , 
  Tim  , 
  TimePath  , 
  Trinitrotoluene-  , 
  Veyrdite  , 
  Viech  , 
  Zachary L  , 
  Zack Middleton   
  
  
  
 
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