Korea University
3 reports, presentations and talks by Korea University in the Game Industry Library, the newest “Tracer: A Forensic Framework for Detecting Fraudulent Speedruns from Game Replays” (2025).
Documents
Tracer: A Forensic Framework for Detecting Fraudulent Speedruns from Game Replays
The Tracer framework establishes a rigorous forensic methodology for verifying the authenticity of speedruns, addressing the systemic vulnerabilities inherent in traditional trust-based moderation.
- The Tracer framework provides a structured, modular approach to detecting speedrun fraud by analyzing audiovisual, physical, and cyberspace artifacts, addressing the current reliance on inconsistent, informal community moderation.
- Speedrun manipulation techniques have evolved beyond simple video splicing to include complex methods like runtime code injection, macro-based input simulation, and the manipulation of pseudorandom number generator (PRNG) outcomes.
- High-profile fraud cases, such as the 2020 Minecraft speedrun controversy involving statistically improbable item drop rates, demonstrate that reverse-analyzing game seeds and internal probabilities is a critical forensic tool for verifying authenticity.
Action2Score: An Embedding Approach to Score Player Action
Action2Score introduces a sophisticated deep learning embedding model designed to quantify individual player contributions within Multiplayer Online Battle Arena (MOBA) games.
- The Action2Score model achieves over 99% discernment accuracy in evaluating individual player contributions by analyzing action sequences rather than binary match outcomes.
- The system utilizes a GRU-SLP architecture trained on a dataset of 245,575 League of Legends matches to map player behavior into a 30-dimensional embedding space.
- By decoupling performance from final match results, the model effectively identifies the value of support roles that are typically undervalued by traditional metrics like KDA and gold.
Oldie Is Goodie: Effective User Retention by In-game Promotion Event Analysis
This analysis examines the efficacy of in-game promotional events in mitigating user churn within the Massively Multiplayer Online Role-Playing Game (MMORPG) genre.
- In-game promotional events for the MMORPG AION increased active user counts by 18% and cumulative users by 19% during a two-week period in early 2016.
- Promotional events are more effective at preventing churn among existing players than at acquiring new users, with the highest impact observed among mid-level players and those active during daytime hours.
- While promotional events increased the number of unique buyers by 150%, the total frequency of individual purchase transactions dropped by 10%, indicating a shift away from high-frequency spending.
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