Fill a row. Fire the laser. Hold the line.
Space Station Defense Line combines falling-block puzzles with real-time lane defense. Move, rotate, and drop energy pieces to complete a row, power the station's laser, and clear both blocks and robots in that lane.
UFOs deploy robots from the right while your stack keeps growing. Clear the most threatened lane now, or arrange several rows for a bigger blast. A robot reaching the left entrance or blocks preventing the next piece from spawning will end your defense.
16 MISSIONS, FOUR DIFFICULTIES Progress through Easy, Normal, Hard, and Hell. Each difficulty has one-, two-, three-, and four-lane missions, with active survival goals of one, two, three, and four minutes. More lanes allow larger energy pieces, changing how you plan each placement.
UNLOCK ENDLESS DEFENSE Complete a difficulty's four-lane mission to unlock its four-lane Endless mode. There is no mission time limit: keep defending for as long as you can. Your longest survival time and highest score are saved separately for each difficulty, giving you two personal records to beat.
ONE REVIVE PER RUN Use one optional revive to clear the board and active enemies while keeping your score and elapsed survival time. Return to the fight without watching an ad or making an extra purchase.
CONTROLS THAT FIT YOU Customize the positions of your on-screen buttons. Move left or right, rotate, use soft drop, or hard-drop a piece into place. Learn the basics with an interactive tutorial that you can skip or revisit from the lobby.
PLAY YOUR WAY Switch between English and Simplified Chinese, and adjust music, sound effects, haptics, and visual effects. Core gameplay works offline, with progress and personal records stored on your device.
PAY ONCE, ENJOY THE COMPLETE GAME No ads, subscriptions, or in-app purchases. Unlock missions and Endless modes through normal gameplay, not additional payments.
Charge the cannon. Clear the robots. Defend your station.