head to head
Neither is simply harder - they are hard in different places. Coin Master demands more variance; Microsoft Minesweeper demands more optimization.

Variance · Pure Chaos
A slot-machine social game where spin RNG drives village building and raids.
Optimization · Systems & Chaos
Logical deduction over hidden mine placement, with unavoidable guess moments.
Coin Master leans Variance (Pure Chaos); Microsoft Minesweeper leans Optimization (Systems & Chaos).
Microsoft Minesweeper leans clearly harder on execution.
Coin Master
Tapping a spin button needs no skill
Microsoft Minesweeper
Click speed only matters for leaderboard times
Coin Master leans a little harder on reads, though the gap is small.
Coin Master
Raid targets are players but you cannot predict them
Microsoft Minesweeper
No opponent, just a static hidden board
Coin Master leans clearly harder on variance.
Coin Master
Slot-machine spins drive nearly every reward and raid
Microsoft Minesweeper
Mine placement is hidden information forcing occasional pure guesses
Microsoft Minesweeper leans clearly harder on optimization.
Coin Master
Minimal choice in spending coins on the village
Microsoft Minesweeper
Constraint deduction from number clues is fully solvable logic
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.