The free-to-play games.
Use your mouse. Point your cursor to the UFO, hold the left mouse button, drag to the third UFO and let go. To clear them and score points, it must be three of red UFOs , three of blue UFOs , three of green UFOs , or three UFOs of all different color. After they have been cleared, continue clearing them to score higher points as quick as you can while UFOs are being called, this will delay the call time. When call time expires, UFOs fall in, ending your chain work. Each color UFO has unique effe