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Free Online Game:

Sum Links

Time to flex your mental muscles on some new math and logic puzzles!

Use the mouse to navigate and select. Click and hold to drag connections.

Hotkeys:
Space, U – Undo last move
R, Enter, Backspace – Reset current level
Esc – Return to the main menu
M, S – Toggle music and sound effects

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3 Littlegrey Comments:
    3.
    March 3rd, 2016 at 4:16 pm adomaityte says:

    nice game


    2.
    February 29th, 2016 at 2:00 am Potato Famine says:

    Scratch that, apparently you can use the round tiles more than two times.


    1.
    February 29th, 2016 at 1:57 am Potato Famine says:

    I think level 17 is impossible. The numbers on the board add up to 30, but it wants a total of 28.