Summoning Circus can be called a hybrid of a card game and a tactical turn-based strategy. The title has a horror atmosphere. The indie project has fully three-dimensional graphics, but the view is only isometric. The camera can be rotated left and right at an angle of 90 degrees. Unlike other turn-based tactics, here the user does not control well-trained fighters or strong monsters, but several schoolchildren. The player moves his players around the cells. And when it comes to actions, the user uses cards from the deck. Demonic clowns and other circus performers possessed by evil spirits were chosen to play the role of enemies.

The plot of Summoning Circus is as follows. During a school trip, four teenagers saw an abandoned circus from the bus window. On the way to an excursion, their class stopped for the night at a hotel. Taking advantage of the situation, the teenagers outwitted the guards and escaped from the hotel. After that they went to the tent. There the children found a pentagram. As a joke, they stood on her and performed an occult ritual. Their actions were enough to awaken evil. Now they need to do everything to banish the dark forces from this world forever. According to the developers, an innovative artificial intelligence system is responsible for the behavior of monsters. Because of it, the gamer never fully knows what will happen next.