FULL STORY
GPT-6 Agents Team Up to Beat Left 4 Dead 2
A developer's GPT-6-driven agents Astra and Jev teamed up to play Left 4 Dead 2, progressing through four campaigns before completing all five original campaigns in 13.8 hours on easy mode with bot teammates.
2026-09-25 ~ 2026-09-26 · 2 episodes · 7 posts
Episode 1 · GPT-6 agents clear four Left 4 Dead 2 campaigns, final bridge remains (2026-09-25, 4 posts)
A GPT-6-driven agent duo, Astra and Jev, is playing through Left 4 Dead 2, with Jev handling controls and Astra doing planning and recovering from stuck loops. After early failed escape attempts, they have now cleared four campaigns and are tackling the final bridge finale in The Parish.
- GPT-6 "Astra" agent clears three chapters of Left 4 Dead 2 with 0/5 escapes — imjustnewatai · 2026-09-25
- GPT-6 Astra completes two Left 4 Dead 2 campaigns in human-AI co-op run — imjustnewatai · 2026-09-25
- GPT-6 agents beat half of Left 4 Dead 2, with Astra planning and Jev playing — imjustnewatai · 2026-09-25
- AI Agents Clear Four Left 4 Dead 2 Campaigns, Only The Parish Bridge Finale Left — imjustnewatai · 2026-09-26
Episode 2 · AI Agents Beat Left 4 Dead 2 in 13.8 Hours for $12.27 (2026-09-26, 3 posts)
Two AI agents, GPT-6 'Astra' and 'Jev', completed all 5 campaigns of Left 4 Dead 2 in 13.8 hours for about $12.27, finishing the final chapter in 13 minutes 33 seconds.
- GPT-6 Astra beats all 5 L4D2 campaigns, 23 chapters, finale in 13m33s — imjustnewatai · 2026-09-26
- AI agents beat Left 4 Dead 2: 5 campaigns, 23 chapters, 13.8 hours, $12.27 in API costs — imjustnewatai · 2026-09-26
- AI agents beat Left 4 Dead 2's 5 campaigns in 13.8 hours of play for $12.27 — imjustnewatai · 2026-09-26