Open source (186)

Mysterious Song

Role-Playing, 2000
Freeware

Navigator's game

Puzzle, 1991
Full version, Source code, Extra

NetHack

Role-Playing, 1987
Freeware, System component, Source code

NetHack Plus

Role-Playing, 1994
Freeware

NetHack: Falcon's Eye

Role-Playing, 2000
Freeware, Freeware, Source code

NGE Nibbles

Arcade, 2003
Freeware (installed), Freeware, Source code

Nibbles (George Tzoumas)

Arcade, 2001
Freeware

Noctis

Also known as Noctis IV

Simulation, 2001
Freeware, Source code, Freeware

Open Quartz

First-Person Shooter, 2004
Freeware, Update

Paku Paku

Arcade, 2011
Freeware

Panda 2

Puzzle, 1999
Freeware, Source code, Game expansion

PaybackTime 2

Turn-Based Strategy, 1997
Full version

Pebbles

Puzzle, 1999
Freeware

Pizza Worm

Also known as Zorlim's Pizza Worm

Arcade, 1994
Freeware (installed), Freeware, Source code

Plumber No More

Platform, 2018
Freeware, Source code

Polanie

Also known as Victory

Real-Time Strategy, 1996
Shareware, Shareware