Stack 'n' Fit vs Voltline

Get ready to rotate, drop, and lock your way to victory in ‘Stack 'n' Fit,’ the ultimate block-stacking mobile sensation! Inspired by the timeless charm of Tetris, this fresh take on the classic puzzler challenges you to clear rows with speed and strategy. As the blocks descend in varying shapes, you must nimbly maneuver them to create unbroken lines, which then magically vanish, rewarding you with points. With intuitive touch controls, crisp graphics, and hypnotic gameplay, ‘Stack 'n’ Fit’ offers endless fun for casual players and puzzle enthusiasts alike. Dive into this addictive brain-teaser, rack up high scores in solo challenges, or compete with friends to become the block-busting champion in this enthralling align-and-clear extravaganza!

Fill a line. Match the color. Watch the whole board surge. Voltline is a neon block puzzle built on the satisfying loop you already love — drag pieces onto an 8×8 grid, fill a full row or column to clear it — with one electric twist no other block puzzle has: the Surge. THE SURGE — the spark that changes everything Clear an ordinary mixed-color line and it simply vanishes. But clear a line where all eight blocks are the SAME color, and it doesn't just clear — it discharges. Chain-lightning floods outward, detonating every same-color block connected to it, neighbor after neighbor, rippling across the entire board. One perfectly placed line can blow up a third of the grid for a single huge combo. Clear the whole board at once and trigger a BLACKOUT. HOW TO PLAY - Drag three pieces from the tray onto the grid — no rotation, no rush. - Complete any full row or column to clear it. - Stuck with an awkward shape? Bank it in the Hold slot for later. - Herd one color into a big connected cluster, then set it off with a single-color line to chain-detonate it all. - No timer. No ticking clock. Play one quick move or lose an hour — it's up to you. EASY TO LEARN, DEEP TO MASTER Anyone gets it in five seconds: fit the pieces, clear the lines. But masters play a second game on top — routing colors into one connected blob, then firing a monochrome line to chain it across the board. A fat single-color cluster scores enormous… but it also eats space and can trap you. Every placement is a tug-of-war between surviving and setting up the perfect surge. MODES - Endless — the survival high-score loop with build-and-keep streak multipliers. - Daily Surge — one seeded puzzle a day, identical for everyone. Compete on the global leaderboard. - Blitz — a frantic 90-second race; every clear buys you more time. - Zen — no game-over, with undo. Pure, relaxing surges whenever you want. FEATURES - The Surge: chain-lightning cascades you won't find in any other block puzzle - No timer, no pressure — relax or push for a record, your call - "1 FROM SURGE" near-miss alerts and screen-shaking BLACKOUT bonuses - Deepening difficulty: start with 3 colors, climb to 5 as you go deeper - Hold slot for genuine risk-and-reward planning - Bomb & Wildcard power-up tiles for big, satisfying clears - Game Center leaderboards & achievements - Original electronic soundtrack - Earn Volts and unlock neon color palettes — including a colorblind-friendly set - Juicy neon presentation — explosive clears, lightning arcs, spark bursts, nova rings, screen punch - Crisp sound and tactile haptics on every lock, clear, and surge - One-handed portrait play, fully playable offline - Colorblind-friendly tile glyphs so every color reads clearly - 100% free. No ads. No paywalls — every unlock is earned in-game. (Optional tip jar for the solo dev; tips grant nothing.) Most block puzzles end at the line clear. Voltline is where it begins. Light it up.