5
Dec 09

FT Advent Calendar Of Free Online Games: 5th December

FT3 comments • 659 views

You are probably still running around in you fancy pants after yesterday, so lets try something a little less frenetic and more cerebral. Ideal for waking up on a Sunday morning before contemplating fighting your way through traffic to get your holiday gifts.

So what on earth is this?
vertices
Click through to find out.

Its a simple puzzle game of rearranging vertices until the net has not crossing edges. Simple yes? Actually it is quite easy, once you have inadvertently invented a large range of topological proofs in your brain. Which people tend to do. No bells and whistles, just the genuine satisfaction of solving a tricky puzzle.

PLANARITY

planarity

Comments

  1. 1
    Kat but logged out innit on 6 Dec 2009 #

    Argh, my eyes started going funny after level 11.

  2. 2
    swanstep on 7 Dec 2009 #

    @Kat, your remark inspired me to work through up to Level 12, and I concur that eyes and motivation both seem to give out at about that point. After about level 9 one ends up spending a heck of lot of time painstakingly reversing twists that tangle a couple of otherwise well-sorted clusters. A way of dragging whole clusters and of reorienting them would help. Fun game once through as far as it goes tho’.

  3. 3
    Kat but logged out innit on 25 Dec 2009 #

    OK I think level 18 is my limit.

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