FlightGear is an open-source flight simulator. It supports a variety of popular platforms (Windows, Mac, Linux, etc.) and is developed by skilled volunteers from around the world. It is to create a sophisticated and open flight simulator framework for use in academic environments

WinUAE is a Windows port of the emulator that brings the same emulation options to Windows users. It capable of emulating number of different hardware models from the A1000 and A500+ to the CDTV and A4000. For each system you have option of choosing different hardware configurations

GameSave Manager enables you to easily backup and restore your game saves. It directly supports nearly 500 popular PC games, which can be backed up without having to manually configure the software. It features include built-in Update Checker, backup validation, DropBox Support

SaveGameBackup is a free tool which makes it easy to back up your saved game progress in over 1,300 popular games. Your game state can represent many hours, days, even weeks of effort, if a file is corrupted or lost then starting all over again probably won’t be an appealing option.

Stealth is a 2D platform game that you can play hide from The Man, skulking in shadows, the thrill of the unseen infiltration. It is an old-school platform game available to Windows users completely free of charge. You need to work through a series of increasingly complicated levels.