After years of trying you finally manage to dial into other-space. You find that the dweller of other-space has challenging questions about computability and is asking for your help.

• 75+ levels

• Solve puzzles in constrained spaces using a handful of instructions

• Solve open-ended problems and design your own solutions

• Optimize your solutions for speed, instructions or space

• Use multithreading - carefully time and synchronize your execution threads to halve the execution time

• Set breakpoints - step backward, or even step forward!

• Compare with other players - see how your solutions rank with fun histograms

• Create your own levels, share them and solve community made levels

Trailer music: "Home Dimension" by Joey Freeze / CC BY 3.0