Gridlock

Aimed for mobile devices. 

You can play the infinite version, complete the daily 4x4 matrix, or create and share your own matrices. 

Controls:

Drag a row onto another row to add it to that row. 

Right-click or double-tap to drag a row and swap it with another row. 

Click the number on the scalar block to change it. 

Drag the scalar block to multiply or divide a row by the scalar. 

Right-click / double-tap the scalar button to switch between multiplication and division.