Description: Kerbal Space Program is a space flight simulation video game where players design, build, and fly spacecraft to explore fictional planets and moons. The game has a realistic orbital physics engine but with simplified controls, making it accessible yet challenging as players learn basic rocket science.
Type: software
Description: Pokemon Online is a free, fan-made Pokemon battling simulator and client. It allows players to battle against others using a variety of generations of Pokemon with custom rules and settings.
Type: software
Pricing: Open Source