>>1994389
>sudoku
Simon Tatham's Puzzles has a good variety of puzzles.

>>1994389
Shattered Pixel Dungeon

eh, there's a warioware clone called "Grumpy Cat's Worst Game Ever" it's surprisingly not bad

File: Duet-Game-gif.gif (1.4 MB)

>>1997253
too tedious for a short break

>>1994389
duet. it has a very lenient skill curve

>>1994389
Lines of battle is kino
20 Minutes Till Dawn
Bad North
Gladihoppers
Hoop Land (if you like basketball)
Ice League Hockey (if you like ice hockey)

I am also looking for a smallish game that I can play when I wait. Is there a mobile card game that is a little simpler and not so try hard like ygo or shadowverse? Or other good small games with pve challenges? Story optional, but welcome. Currently looking through the recommendations here.