head to head
Agar.iovsUmbrella Corps
Agar.io leans Reads (Competitive PvP); Umbrella Corps leans Execution (Competitive PvP).
Agar.ioUmbrella Corps
Axis by axis
Execution4 vs 6
Umbrella Corps leans harder on execution: Aim and movement decide most close-quarters PvP fights
Reads6 vs 5
Agar.io leans harder on reads: Baiting and predicting human blobs decides fights
Variance3 vs 2
Agar.io leans harder on variance: Spawn locations and lobby makeup random
Optimization3 vs 3
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

