Heart Box

The pitch

Professor Rat loves physics puzzles and games with robots! Therefore, he created Robby, but gave him a weak battery, which is why the little robot has to constantly recharge and participate in crazy experiments. Interact with various physical objects to guide robot Robby through all of Professor Rat's puzzle rooms and free him from the charger! Don't want to play the game? Then create your own amazing puzzles in the Level Editor! Features of the game: - Over 180 levels for your brain - Online database "Community Levels" with over 10000 levels by players - Level Editor and Collection of QR Levels - Various skins for the robot - 4 fun game modes - Realistic physics - Lots of cartoons - Leaderboards & Achievements

Controls & how it runs

Use the left mouse button on PC or your finger on mobile to pop, destroy or move game objects. Place the square robot Robby in the red charging station to complete the level

Getting a run going takes exactly one press: Press start, up top, and the game boots inside this page — nothing downloads in the background and no form wants your details before the first jump. The cabinet is drawn for a flexible screen and listens to mouse, keyboard or touch, whichever the game prefers. It reshapes itself for tall and wide screens alike, so phone, tablet and desktop all get the full picture. Given a fullscreen button, use it — scores look better at full size, that's just science.

Pro tips for physics cabinets

• Let go earlier than feels right. Physics cabinets punish the held input: most arcs improve the moment you stop steering and let momentum finish your sentence.
• Use the scenery as a teammate. Walls, ramps and swinging wreckage are free aim correction — a bounce you planned beats a straight line you forced.
• Fail upward on purpose. Drop things, tip things, collapse things: in a physics sandbox the wreckage shows you the rules faster than the tutorial ever will.

Heart Box — quick-fire questions

Does Heart Box cost anything to play?

Not a token. The cabinet is free from the first run to the five-hundredth — no wallet, no sign-up, no toll booth hiding three levels in. The adverts around the page are what keep the floor's lights on.

What sort of game is Heart Box?

It stands on our Physics row — that's the family it plays most like. The pitch above is the publisher's own rundown of what it throws at you and what it hands back.

Can I play Heart Box on my phone?

Happily, yes. It runs inside the browser on phones and tablets the same way it does on a computer. It reshapes itself for tall and wide screens alike, so phone, tablet and desktop all get the full picture.

Do I need to install anything first?

Nothing whatsoever. Heart Box is an HTML5 game: hit the start button and it boots on this page, and shutting the tab sweeps the cabinet clean behind you.

Before you wander off

Personal best banked, or still chasing it? Either way the full Physics row is powered on and waiting — Gravity is the house rule here: 112 cabinets built on bounce, tilt, swing and collapse. Physics games reward the player who experiments first and aims second.