Chess
3d chess, rubic cube
4d rubic cube
5d Chess with Multiverse Time travel
Nah still not enought lets add few more
Love this novel? Read it on Royal Road to ensure the author gets credit.
6d Multidimensional Multiverse with time travel
Magic cube 7d
10d Strings
11d M theory
R to n
Welcome Dr. Renn
Local and non local nnerd Renn
Need a backstory or was spawned to existence by higher dimensional quantum fluctuations? Is he real or virtual you know if you blink Fast enought it donsnt matter.
https://www.chessvariants.com/
https://en.m.wikipedia.org/wiki/N-dimensional_sequential_move_puzzle