Control is happening with the arrow-keys to move and to shoot, R is used to restart fro the beginning.Local co-op, just plug in controllers and play. This was mainly done the get a multiplayer game up and running with the help of Game-Maker.
Plan is to sometime in 2018 redo this little project in the Godot engine.
Gamer24h Editor's Take
Space Stones caught our attention with its unique design and has shaped up to be a must-play masterpiece candidate thanks to the depth of its experience. Developer flurick has done a remarkable job of drawing players into its world, earning our admiration with its attention to detail. Its innovative take on the Shooter genre offers a breath of fresh air for fans of the category. All in all, the Gamer24h team stands firmly behind our rating. This is a unique journey you won't want to miss.