Blocks: Fill and Clear is a free online block puzzle game where you drag and drop random block shapes onto a grid, complete full lines, and clear the board to rack up the highest score possible. Inspired by classic Tetris gameplay, it challenges you to think ahead, manage your space, and keep the board clean before it fills up completely.

The game packs five distinct modes that keep things fresh. Classic mode runs endlessly so you can chase your personal best without any pressure. Timed mode flips the script – you need to score as many points as possible before the clock hits zero. Bomb mode adds real tension, forcing you to clear lines fast before explosive blocks detonate and cost you the game. Unique Shapes mode throws non-standard line patterns at you, demanding creative placement strategies. Mixed mode combines all of these for a serious challenge that will test even experienced puzzle players. The key tip: always plan two or three moves ahead and prioritize clearing multiple lines at once for combo points.

If you enjoy free Tetris-style games, block puzzle games for kids, casual brain teasers, or HTML5 puzzle games you can play instantly in your browser, Blocks: Fill and Clear delivers exactly that. It works great on desktop and mobile, requires zero downloads, and is completely free to play – making it a perfect pick-up-and-play puzzle game for any skill level.