Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
JOSM - JOSM is a Java-based editor for OpenStreetMap (OSM).
Clonk - Clonk is an entertaining, action-packed game of strategy, tactics, and skill.
StreetComplete - Help to improve the OpenStreetMap with StreetComplete!
The Blockheads - Night is falling and your blockhead is freezing.
Vespucci - Vespucci is the first OpenStreetMap editor for Android.