Keys.gg

Nullis

Offers

Trailers & screenshots

1 / 8

About Nullis

Nullis is a single-player logic puzzle game in which you clear zeros from a board. Select paths of zeros that do not cross, destroy them and create new paths, planning your moves to solve each level in the optimal number of moves. You can also click around and rely on luck.

Puzzles and difficulty

The game includes over 100 handcrafted levels across three difficulties, as well as secret levels with unique patterns, including a frog. Levels can have multiple solutions. Earn stars by completing them in the optimal number of moves, or play without pressure.

Board symbols

  • 0: must be destroyed.
  • 1: cannot be destroyed.
  • Qubits: have different abilities and behaviors, including time-sensitive explosions.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

Similar games