Summary
Graphviz Source
// dot -oengine.svg -Tsvg engine.dot
digraph {
ratio=auto;
ranksep=1.5;
// =============================
// Engines
// =============================
node [shape=polygon, sides=6, style=filled]
// id Tech engines
node [peripheries=4, size=6]
fontsize=20
// id Tech engines under GPL
node [fillcolor=lightgreen]
//Quake
QuakeE [label="Quake engine"]
GLQuake
WinQuake
QuakeWorld
Quake2E [label="Quake II engine"]
idTech3 [label="id Tech 3\nQuake III Arena engine"]
idTech4 [label="id Tech 4\nDoom 3 engine"]
// id Tech under commercial license
node [fillcolor=lightgrey]
idTech5 [label="id Tech 5"]
idTech6 [label="id Tech 6"]
idTech7 [label="id Tech 7"]
// Other engines
//
node [peripheries=1]
// Other commercial engines
node [fillcolor=lightgrey]
GoldSrc
SourceEngine [label="Source Engine"]
sourcemp [label="Source - Multiplayer"]
sourcel4d [label="Source - Left 4 Dead"]
titanf2 [label="Titanfall 2 engine"]
sourceportal2 [label="Source - Portal 2"]
sourcecsgo [label="Source - CS:GO"]
Source2 [label="Source 2"]
IW2 [label="IW 2.0"]
IW3 [label="IW 3.0"]
IW4 [label="IW 4.0"]
IW5 [label="IW 5.0"]
IW6 [label="IW 6.0"]
IW6ng [label="IW 6.0 Next Gen"]
IW7 [label="IW 7.0"]
IW7ng [label="IW 7.0 Next Gen"]
IWBO4 [label="Black Ops 4 engine"]
IWBOCW [label="Black Ops Cold War engine"]
IW8 [label="IW 8.0"]
// Other libre/open engines
node [fillcolor=lightgreen]
DarkPlaces
ioquake3
ioUrbanTerror
// =============================
// Games
// =============================
node [shape=ellipse, color=transparent]
// Commercial Games
node [fillcolor=lightgrey]
// id and Bethesda
HexenII [label="Hexen II"]
Malice
xmen [label="X-Men: The Ravages of Apocalypse"]
laserarena [label="Laser Arena"]
wrathaor [label="Wrath: Aeon of Ruin"]
HereticII [label="Heretic II"]
SiN
KpLOC [label="Kingpin: Life of Crime"]
sof [label="Soldier of Fortune"]
daikatana [label="John Romero's Daikatana"]
Anachronox
stvoyager [label="Star Trek: Voyager - Elite Force"]
returntowolf [label="Return to Castle Wolfenstein"]
sofII [label="Soldier of Fortune II: Double Helix"]
swjkiijo [label="Star Wars Jedi Knight II: Jedi Outcast"]
swjkja [label="Star Wars Jedi Knight: Jedi Academy"]
QuakeLive [label="Quake Live"]
Quake4 [label="Quake 4"]
Rage
WolfensteinTNO [label="Wolfenstein: The New Order"]
WolfensteinTBO [label="Wolfenstein: The Old Blood"]
Doom2016 [label="Doom (2016 video game)"]
Dishonored2 [label="Dishonored 2"]
Wolfenstein2 [label="Wolfenstein II: The New Colossus"]
WolfensteinYB [label="Wolfenstein: Youngblood"]
DoomEternal [label="Doom Eternal"]
// GoldSrc & Source
HalfLife [label="Half-Life"]
TFC [label="Team Fortress Classic"]
CS [label="Counter-Strike"]
DoD [label="Day of Defeat"]
CSC0 [label="Counter-Strike: Condition Zero"]
CSO [label="Counter-Strike Online"]
Halflife2 [label="Half-Life ²"]
HL2DM [label="Half-Life ²: Deathmatch"]
DoDS [label="Day of Defeat: Source"]
HL2ep1 [label="Half-Life ²: Episode One"]
gmod [label="Garry's Mod"]
HL2ep2 [label="Half-Life ²: Episode Two"]
l4d [label="Left 4 Dead"]
l4d2 [label="Left 4 Dead 2"]
portal [label="Portal"]
portal2 [label="Portal 2"]
HLA [label="Half-Life: Alyx"]
Titanfall
titanfall2 [label="Titanfall 2"]
COD [label="Call of Duty"]
COD2 [label="Call of Duty 2"]
COD4 [label="Call of Duty 4: Modern Warfare"]
CODWAW [label="Call of Duty: World at War"]
CODMW2 [label="Call of Duty: Modern Warfare 2"]
CODBO [label="Call of Duty: Black Ops"]
CODMW3 [label="Call of Duty: Modern Warfare 3"]
CODBO2 [label="Call of Duty: Black Ops II"]
CODG [label="Call of Duty: Ghosts"]
CODBO3 [label="Call of Duty: Black Ops III"]
CODIW [label="Call of Duty: Infinite Warfare"]
CODBO4 [label="Call of Duty: Black Ops 4"]
CODMW [label="Call of Duty: Modern Warfare"]
CODWZ [label="Call of Duty: Warzone"]
CODBOCW [label="Call of Duty: Black Ops Cold War"]
CODV [label="Call of Duty: Vanguard"]
// Freeware games
node [fillcolor=lightblue]
alienarena [label="Alien Arena"]
urbanterror [label="Urban Terror"]
TF2 [label="Team Fortress 2"]
csgo [label="Counter-Strike: Global Offensive"]
dota2 [label="Dota 2"]
apex [label="Apex Legends"]
// Libre/open games
node [fillcolor=lightgreen]
Quake
Nexuiz
Xonotic
QuakeII [label="Quake II"]
ufoai [label="UFO: Alien Invasion"]
gravitybone [label="Gravity Bone"]
thirtyfol [label="Thirty Flights of Loving"]
QuakeIIIArena [label="Quake III Arena"]
wolfet [label="Wolfenstein: Enemy Territory"]
OpenArena
Tremulous
smokinguns [label="Smokin' Guns"]
wop [label="World of Padman"]
Doom3 [label="Doom 3"]
// =============================
// Trees
// =============================
QuakeE -> Quake2E -> idTech3 -> idTech4 -> idTech5 -> idTech6 -> idTech7
QuakeE -> {WinQuake,GLQuake,QuakeWorld,DarkPlaces}
QuakeE -> {Quake,HexenII,laserarena,wrathaor}
{QuakeWorld,GLQuake,WinQuake} -> Quake
Quake -> {Malice,xmen}
DarkPlaces -> {Nexuiz,Xonotic}
Quake2E -> {QuakeII,HereticII,KpLOC,SiN,sof,daikatana,Anachronox,ufoai,gravitybone,alienarena}
gravitybone -> thirtyfol
idTech3 -> {QuakeIIIArena,COD,QuakeLive,stvoyager,returntowolf,sofII,swjkiijo,swjkja}
idTech3 -> {ioquake3,IW2}
returntowolf -> wolfet
ioquake3 -> {OpenArena,Tremulous,smokinguns,urbanterror,wop,ioUrbanTerror}
ioUrbanTerror -> urbanterror
IW3 -> IW4 -> IW5 -> IW6ng -> IW7ng -> IW8
IW2 -> IW3 -> IW6 -> IW7 -> {IWBO4,IWBOCW}
COD -> COD2 -> COD4 -> CODWAW -> CODMW2 -> CODBO -> CODMW3 -> CODBO2
CODBO2 -> CODG -> CODBO3 -> CODIW -> CODBO4 -> CODMW -> CODBOCW -> CODV
CODBO4 -> CODWZ
IW2 -> COD2
IW3 -> {COD4,CODWAW,CODBO}
IW4 -> CODMW2
IW5 -> CODMW3
IW6 -> CODBO2
IW6ng -> CODG
IW7 -> CODBO3
IW7ng -> CODIW
IWBO4 -> CODBO4
IW8 -> {CODMW,CODWZ,CODV}
IWBOCW -> CODBOCW
idTech4 -> {Doom3,Quake4}
idTech5 -> {Rage,WolfensteinTNO,WolfensteinTBO}
idTech6 -> {Doom2016,Dishonored2,Wolfenstein2,WolfensteinYB}
idTech7 -> DoomEternal
GoldSrc -> SourceEngine -> sourcel4d -> sourceportal2 -> sourcecsgo -> Source2
sourcel4d -> titanf2
SourceEngine -> sourcemp
{QuakeWorld,Quake2E,QuakeE} -> GoldSrc
GoldSrc -> {HalfLife,TFC,CSO}
HalfLife -> {DoD,CS}
CS -> CSC0
SourceEngine -> {Halflife2,portal}
Halflife2 -> {HL2DM,HL2ep1}
HL2ep1 -> HL2ep2
sourcemp -> {TF2,DoDS,HL2DM,gmod}
sourcel4d -> {l4d,Titanfall,dota2}
sourceportal2 -> portal2
sourcecsgo -> csgo
l4d -> l4d2
portal -> portal2
Source2 -> {dota2,HLA}
{Titanfall,titanf2} -> titanfall2 -> apex
}
Licensing
Public domain Public domain false false
I, the copyright holder of this work, release this work into the public domain . This applies worldwide.In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.
English A family tree representing Engines and Games that are based off of Quake