Push and rotate blocks, placing them at their places. Discover mono-drones abilities, step by step learn rules of that somber techno world. Solve more than 100 amazing puzzles!
All Reviews:
Mixed (45) - 68% of the 45 user reviews for this game are positive.
Release Date:
Sep 27, 2016

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Buy Sig.Null



“If you're ready to resolve some computational conflicts while discovering the mechanics that might well have made them, give Sig.NULL a try and get ready for a truly puzzling experience.”

“This new version is much prettier and much larger. It expands on that initial ruleset to include some new tricks, and the puzzles get much, much tougher.”

Steam Greenlight

Steam Exclusive Offer

Steam version of the game has several significant differences from the freeware version. In this version of the game was made a lot of fixes, added some new extra levels and a lot of new gameplay features. By purchasing this version of the game, you will support the developer and it is allow us in the future to release new interesting projects!

About This Game

Your task is to put things at their places inside a complex computer system. It’s a whole world with its own laws and filled by mono-drones, which you will control. Use them to place tetra-blocks at its places.

  • There are up to 8 different types of mono-drones with individual features (explode, swap, infect, time-control and more)
  • Hidden rules of game world, which you have to explore for progression
  • Non-linear. You always have few levels to try. If you can't solve one, then try another!
  • More than 100 levels which were built with care for you to learn all the rules step by step.

Reach System Core and discover how this techno world was born!

System Requirements

    • OS: Microsoft® Windows® XP / Vista
    • Storage: 25 MB available space
    • OS: Microsoft® Windows® 7 or later
    • Storage: 25 MB available space

What Curators Say

9 Curators have reviewed this product. Click here to see them.

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