player/Stage for 2D schematic simulation of multiple robots

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I was wondering should i use rviz for a 2D schematic simulation of multiple robots. Robots are only represented as circles and swarm robotics algorithms are implemented. But I wanted to use player/Stage. Is that obsolete nowadays or people still use it? Which is the best 2D option under ROS?

I know for 3D there are good options like gazebo but i am only interested in 2D. Gazebo is an overkill.