The best DS games were extraordinary for the time, incorporating touch-screen inputs to deliver novel gameplay experiences.

Easy-to-use map editor: Just grab a stylus and draw maps right ... maps from the previous two Advance Wars games. Players can play both normal and DS battles, both single and multiplayer ...

The Nintendo DS has turned 20 ... But further back in 2004, the stylus was an innovation in games consoles. As was a two-screen setup, which recalled the classic Donkey Kong Game & Watch.