ags

bbge

box2d

easyrpg-player

exult

an Ultima 7 game engine that runs on modern operating systems

fifechan

fifengine

fizmo

flare

freeablo

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

fs2_open

gargoyle

Beautified Glk library and interactive fiction multi-interpreter

gemrb

Reimplementation of the Infinity engine

git

glkfrotz

glulxe

hugor

instead

love

An unquestionably awesome 2D game engine

massacre

nazghul

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

nitfol

odamex

onscripter-en

openjk

openmw

openxcom

pilas

pytouhou

qtads

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

realtimebattle

renpy

residualvm

residualvm-tools

rlvm

scummvm

Reimplementation of the SCUMM game engine used in Lucasarts adventures

scummvm-tools

utilities for the SCUMM game engine

solarus

stratagus

A realtime strategy game engine

vassal

vassal-libs

wyrmgus

xzip

X interface to Z-code based text games

zoom

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

ags

git

qtads

bbge

glkfrotz

realtimebattle

box2d

glulxe

renpy

easyrpg-player

hugor

residualvm

exult

instead

residualvm-tools

fifechan

love

rlvm

fifengine

massacre

scummvm

fizmo

nazghul

scummvm-tools

flare

nitfol

solarus

freeablo

odamex

stratagus

freesci

onscripter-en

vassal

frobtads

openjk

vassal-libs

frotz

openmw

wyrmgus

fs2_open

openxcom

xzip

gargoyle

pilas

zoom

gemrb

pytouhou