5
Softendo
120
Freeware
Super Mario Revived: just 3 levels, very difficult levels to play.
78
Mario City
1,135
Freeware
Super Mario Bros Random try to achieve as little negative lives as possible!
12
Florian Hufsky, Two52, and many others.
42
Open source
Super Mario War is a simple and active game based on popular Nintendo character.
9
Makslane Araujo Rodrigues
163
Shareware
Game Editor Pro is a game creator that lets you create small 2D games easily.
28
Buziol Games
116
Freeware
Mario Forever Block Party makes Mario use his head by solving puzzles.
11
Greg Vottero
545
Freeware
Mario Remix is a pack of three Super Mario Flash games.
34
FunnyGames
24
Freeware
Super Mario 63 is a Mario game that you can play in your web browser.
12
Softendo
222
Freeware
A classic Mario game, but much darker and more sinister.
HotBounce
Freeware
It helps you to mirror a single or a huge number of code (source).
9
USDX Team
3,702
Freeware
UltraStar Deluxe is an open-source karaoke game for your PC.
6
The DreamChess Project
1,068
Freeware
DreamChess 0.2.0 is a multi-platform open source chess game.
Christian Behrenberg
24
Freeware
RUDI is an easy-to-use open source christmas game.
2
Kevin Hertzberg
58
Open source
RoboWar is a neat and easy to play open source strategy game.
The Wpf Poker Team
100
Open source
A simple open source poker game for local area networks.
1
John Cheetham
4
Freeware
gShogi is an open source Shogi game written in Python / PyGTK / C.
New Age Software
Freeware
The Legend of Mazzeroth is an open source, 2D game.
