Elona is a delicious and free little graphical roguelike RPG for Windows. It’s lightweight, attractive enough and has a delicious sense of humour.
Technically, the game is Japanese, and the art-style reflects that, with cute anime styling, but the game offers English as an option, and by and large the translation is superb – with only occasional grammatical and typographical problems.
Roguelike games are often rather unforgiving or monoquests. Elona breaks from those traditions and gives you an open world to play around in, and allows you to evade death with only relatively minor penalties (some dropped equipment and lost cash, and after level 6, some experience-point loss).