3 papers
cs.SE2026
Where Does Balance Break? Boundary Discovery for Game Balance Testing under a Finite Simulation Budget
Hiroki Mukai, Yusaku Kato, Norihiro Yoshida +2
Software testing often relies on assumptions such as reproducible executions and stable correctness criteria. However, many modern software systems exhibit non-deterministic execut…
cs.SE2026
Software Testing Beyond Closed Worlds: Open-World Games as an Extreme Case
Yusaku Kato, Norihiro Yoshida, Erina Makihara +1
Software testing research has traditionally relied on closed-world assumptions, such as finite state spaces, reproducible executions, and stable test oracles. However, many modern…
cs.SE2025
BiFuzz: A Two-Stage Fuzzing Tool for Open-World Video Games
Yusaku Kato, Norihiro Yoshida, Erina Makihara +1
Open-world video games present a broader search space than other video games, posing challenges for test automation. Fuzzing, which generates new inputs by mutating an initial inpu…