In the summer, we like to take a break from all the serious open source applications that we usually cover and take a look at some apps that are just plain fun.
This year, we've updated our list of the "funnest" open source applications with more games than ever before. In fact, the 2011 list has 74 games in all, including 46 that we've never featured before. At the end, we've also included a few apps that aren't really games, but are still pretty fun.
Notably, the majority of the apps on this list run on multiple platforms, so you should be able to find plenty of games for your system, no matter which operating system you run.
If you'd like to call attention to a great open source game that isn't on our list, please make a note in the comments section below.
1. BZFlag Short for "Battle Zone Capture the Flag," BZFlag is a very popular 3D tank game. It was originally based on the arcade game Battlezone, and several servers make it possible to connect to online multiplayer games. Operating System: Windows, Linux, OS X.
One of the oldest games created for Linux, Rocks'N'Diamonds is similar to the old Boulder Dash game. Pass through the levels by collecting diamonds while avoiding monsters and traps. Operating System: Windows, Linux, OS X.
For Mario Bros. fans, this game resurrects the old 2D graphics from the original game. Jump and run to collect mushrooms, fireplants and stars, but look out for the poison mushroom. Operating System: Linux, OS X.
Scorched 3D modernizes the classic DOS artillery game Scorched Earth. You can play against up to 24 other players at a time over a LAN or online. Operating System: Windows, Linux, OS X.
5. Smash Battle
Although it's only a few years old, this game features old school, 2D graphics. Two to four players jump from platform to platform trying to shoot each other without being killed. Operating System: Windows, Linux.
Set in a futuristic world, Steel Storm is a top-down shooter with fast-paced action that doesn’t take too long to play. Note that while Episode I has an open source license, Episode II is a commercial product. Operating System: Windows, Linux.
Teeworlds combines cartoon-ish 2D graphics with deadly action in a side-scrolling game for 2 to 16 players. Shoot the other players with your pistol, bash them with your mallet or hunt for more powerful weapons as you battle your opponents. Operating System: Windows, Linux, OS X.
This artillery game describes the style of play as "convivial mass murder." The goal is to inflict maximum damage to your opponents using dynamite, grenades, baseball bats and bazookas. The scenery is cartoonish, and the characters are open source software mascots. Operating System: Windows, Linux, OS X.
Inspired by games like Thrust and Asteroids, XPilot is an old school 2D space battle game. It's been forked many times, and versions are also available for smartphones. Operating System: Windows, Linux, OS X.
In this 2D platform-style game, you ride motocross past various obstacles while collecting strawberries. Thanks to an active user community, it has more than 2500 custom levels available for download. Operating System: Windows, Linux, OS X.
11. Yo Frankie!
Because it was created to show off the capabilities of the open source 3D modeling tool Blender, the graphics on Yo Frankie! are particularly impressive. It's a platform style game in which you control a sugar glider or monkey who must make it through a course full of obstacles. Operating System: Windows, Linux, OS X.
This version of Texas Hold 'Em lets you play against up to 10 live or computer-generated players and features very nice graphics. It's been downloaded millions of times and is one of the most popular open source games around. Operating System: Windows, Linux, OS X.
A fork of the discontinued PySol Solitaire project, PySolFC includes more than 1,000 solitaire card games. Key features include multiple cardsets and tableau backgrounds, sound, unlimited undo, player statistics, a hint system, demo games and more. Operating System: Windows, Linux, OS X.
Based on the old Oxyd Atari game, Enigma is an addictive puzzle game where the object is to find sets of matching stones. It has more than 1,000 levels to keep you challenged. Operating System: Windows, Linux, Unix, OS X.
15. Fish Fillets NG
This is an open-source, cross-platform remake of the older Fish Fillets freeware puzzle game for Windows. The goal is to free the two trapped fish on each level, while the two fish make witty remarks about the game. Operating System: Windows, Linux, Unix, OS X.
16. Frozen Bubble
Sometimes called "the most addictive game ever created," Frozen Bubble offers single-player, two-player or networked multi-player games. Shoot the bubbles to create chains of matching colors and eliminate them before time runs out. Operating System: Windows, Linux.
In this puzzle/skill game, you must quickly tip various platforms in order to roll a ball through an obstacle course with 141 levels of increasing difficulty. The download also includes Neverputt, a golf game that uses the same physics and graphics engine. Operating System: Windows, Linux, OS X.
18. Pingus Pingus is a lot like the puzzle game Lemmings—except that it features penguins instead of lemmings. Direct your horde of penguins through the course by typing in simple commands. Operating System: Windows, Linux, OS X.
In Pushover, you control an ant who scales various levels, pushing over dominos in the correct sequence to reach the next level. The graphics are old-school, but the puzzles are fun. Operating System: Windows, Linux, OS X.
Like all Sokoban (Japanese for "warehouse keeper") games, SokoSolve requires you to pull, never push, crates one at a time until you achieve the desired configuration. The 2D play is simple but surprisingly addictive. Operating System: Windows.
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