Solve twenty compact crossword grids using short English clues.

Complete twenty number grids with arithmetic cage clues.

Divide twenty grids into connected regions of the right size.

Place magnetic poles and neutral dominoes in twenty logic grids.

Lay a single railway through twenty numbered grids.

Claim empty territory while moving enemies threaten your unfinished trail.

Launch between an endless chain of planets as their orbits gradually speed up.

Unite twenty colorful boards within a limited number of color changes.

Guide a walking squad to the exit through twenty compact mazes.

Reverse gravity between two rails while an endless stream of barriers gradually speeds up.

Play a four-stone practice end of curling against the CPU.

Collect underwater gems and return to the surface before the air runs out.