ags

box2d

boxtron

devilutionx

dhewm3

dMagnetic

easyrpg-player

exult

an Ultima 7 game engine that runs on modern operating systems

fifechan

fifengine

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

love

An unquestionably awesome 2D game engine

luxtorpeda

marauroa

megazeux

nazghul

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

nitfol

nxengine-evo

odamex

openbor

openmw

openxcom

qtads

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

realtimebattle

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

love

residualvm

box2d

luxtorpeda

rlvm

boxtron

marauroa

scummvm

devilutionx

megazeux

scummvm-tools

dhewm3

nazghul

seventhsense

dMagnetic

nitfol

solarus

easyrpg-player

nxengine-evo

stratagus

exult

odamex

vassal

fifechan

openbor

vassal-libs

fifengine

openmw

wyrmgus

freesci

openxcom

xoreos

frobtads

qtads

xzip

frotz

realtimebattle

zoom

gargoyle