Another free tileset aimed for RPG games. It contains 7 characters and 4 sets of tiles: farm, interior/exterior castle and town.

A simple silhouette animated sprite or a walking/jumping man. It contains the bitmap sprite and a flash version.

Walking/Jumping Robot Isometric Sprite

Those files were removed due to copyright issues. I appears they are NOT FREE TO USE. Original link to the resources is removed because is misleading.

Graphic set for a space game based on asteroids concept.

The Tyrian graphic set. Tyrian is one of the best vertical scrolling shooter, released in 1995.

A complete graphic including tilesets, sprites and gui elements designed in 1993 for a real time strategy game.

A cute tileset with a couple of simple characters in bitmap and vector formats.

A set of 4 free tilesets for platform games.

TomeTik is a huge set of free graphics, distributed under Created Commons license. You can use it in RPG, strategy, turn based games. It contains non-animated Monsters and Heroes, top view tilesets and a lot of isometric tiles.

This package contains 5 sets of sprites that can be used for game menus. Distributed under Creative Commons Attribution 2.0.