head to head
vs
Slay the SpirevsWingspan
Slay the Spire leans Optimization (Systems & Chaos); Wingspan leans Optimization (Systems & Chaos).
Slay the SpireWingspan
Axis by axis
Execution0 vs 0
Even - both lean on execution about the same.
Reads1 vs 3
Wingspan leans harder on reads: Low interaction; opponents race more than counter you
Variance7 vs 7
Even - both lean on variance about the same.
Optimization9 vs 8
Slay the Spire leans harder on optimization: Deck shaping and combat math are solvable.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.