ags

bbge

box2d

boxtron

devilutionx

dhewm3

dMagnetic

easyrpg-player

exult

an Ultima 7 game engine that runs on modern operating systems

fifechan

fifengine

fizmo

freesci

frobtads

Curses-based interpreter and development tools for TADS 2 and TADS 3 text adventures

frotz

Curses based interpreter for Z-code based text games

gargoyle

Beautified Glk library and interactive fiction multi-interpreter

git

glkfrotz

glulxe

hugor

love

An unquestionably awesome 2D game engine

marauroa

megazeux

nazghul

A computer role-playing game (CRPG) engine with game called HaximA

nitfol

nxengine-evo

odamex

onscripter-en

openbor

openmw

openxcom

qtads

Qt-based multimedia interpreter for TADS 2 and TADS 3 text adventures

realtimebattle

renpy

residualvm

rlvm

scummvm

Reimplementation of the SCUMM game engine used in Lucasarts adventures

scummvm-tools

utilities for the SCUMM game engine

seventhsense

solarus

stratagus

A realtime strategy game engine

vassal

vassal-libs

wyrmgus

xoreos

xzip

X interface to Z-code based text games

zoom

A fast, clean, modern Z-code interpreter for X

ags

git

realtimebattle

bbge

glkfrotz

renpy

box2d

glulxe

residualvm

boxtron

hugor

rlvm

devilutionx

love

scummvm

dhewm3

marauroa

scummvm-tools

dMagnetic

megazeux

seventhsense

easyrpg-player

nazghul

solarus

exult

nitfol

stratagus

fifechan

nxengine-evo

vassal

fifengine

odamex

vassal-libs

fizmo

onscripter-en

wyrmgus

freesci

openbor

xoreos

frobtads

openmw

xzip

frotz

openxcom

zoom

gargoyle

qtads