Troll Trapping Through TAS Tools - Exposing Diablo Cheating
826Analysis from the team: https://Diablo.TAS.Bot/ | TASBot Discord: https://Discord.gg/TASBot Diablo TAS: https://tasvideos.org/9396S | Abyssoft coverage: • The Biggest Cheating Scandal In Diabl...
Trolls cheating in video games by passing Tool-Assisted Speedruns off as human effort break leaderboards and stifle speedrunners. Why do they do it when they could make a cool game hack or a TAS to show off their work, and how do you trap these trolls? The answer is to use their own tools against them, often with popcorn bucket worthy results like taking down Guinness World Records. From TASVideos member Omnigamer taking on 1980's Dragster cheat Todd Rogers, a passing mention of Billy Mitchell, and the TASBot team investigating Super Mario Maker shenanigans, this talk presented at DEF CON 32 in August 2024 covers several notable cheating incidents and concludes with a systematic takedown of a troll that chilled the Diablo speedrunning community for more than a decade.
Groobo's 2009 speedrun of Diablo (in the 'any% segmented' category) contains significant irregularities which compromise the integrity of the run. The analysis presented in this video demonstrates the run is provably illegitimate and should be retracted from all records sites, including Speed Demos Archive and Guinness World Records.
The speedrun includes the following disqualifying elements:
Visual evidence of both versions 1.00 and 1.09, indicating the run video was spliced from multiple playthroughs
Segments from unrelated runs that cannot naturally coexist in a single playthrough
Levels which could only exist through external modifications to the game's mechanics
Graphical and audio artifacts suggesting unusual video splicing, including gameplay omissions which affect the recorded completion time
For more details, see the full analysis document at https://Diablo.TAS.Bot/ - the team also created an optimized TAS using an unmodified copy of Diablo version 1.04 to complete the game in 1:46 as timed by modern SDA standards at https://tasvideos.org/9396S
Timestamps (thanks, Scribble!)
0:00 Introduction
2:31 Busting Todd Rogers
3:21 Explaining speedruns and TASes
5:17 Omnigamer's discovery
6:11 Explaining TASbot
6:50 The perfect dragster run
7:37 An impossible Super Mario Maker level?
9:00 Let's create a Diablo TAS!
10:30 Watching Groobo's run
15:26 Title Screen Inconsistencies
17:05 Invalid Dungeon Level Sequence
19:38 Inconsistent Inventory
20:29 Impossible Quest Combinations
22:27 Inaccessible Dungeon Level
23:55 Missing Gameplay
25:23 Improbable Item Duplication
26:14 Inconsistent Music Playback
27:08 Inconsistent Shop Inventory Rolling
28:08 Inconsistent Glitch Use
29:13 Conclusion
30:25 The twist! (Response)
33:05 What now?
35:07 A joint effort to beat this legitemately
36:24 Searching for the video 😶
37:33 Watching the Diablo TAS
43:16 End of the talk
43:53 Outro
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Video credits:
Presenters - dwangoAC
Video Editor - Spooey
Thumbnail - Spooey
TASBot Opening - CraftedCart
Outro Graphics - DrD2k9, Briar
End Credits - Reisama
TASBot theme music - JohnGabrielUK, WhimsyHeath
All DEF CON 32 content used with permission under Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)
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