Issues

• Phoenix hangs forever at a small-bird wave transition (infinite loop in the ROM; two-byte fix)

  Farama-Foundation/Arcade-Learning-Environment#744 · Filter by author PizzasBear opened on Oct 9, 2026

• Doc Site Gifs Showing Real Policies

  help-wanted
  Farama-Foundation/Arcade-Learning-Environment#737 · Filter by author jkterry1 opened on Sep 5, 2026

• CI builds Linux ARM binaries against ubuntu 24.04, while x86_86 are built against ubuntu-latest

  Farama-Foundation/Arcade-Learning-Environment#735 · Filter by author jkterry1 opened on Sep 4, 2026

• Clearly Mark Different Sets of Atari Games In Documentation

  help-wanted
  Farama-Foundation/Arcade-Learning-Environment#708 · Filter by author jkterry1 opened on Jul 6, 2026
  2

• Setting modes in vector envs

  Farama-Foundation/Arcade-Learning-Environment#699 · Filter by author matthias3445 opened on Jun 19, 2026

• Full Action Set is not 18 on ALE/Skiing-v5

  Farama-Foundation/Arcade-Learning-Environment#691 · Filter by author prabhatnagarajan opened on May 17, 2026

• Pitfall does not terminate after timer runs out

  Farama-Foundation/Arcade-Learning-Environment#654 · Filter by author Sebastian-Griesbach opened on Dec 8, 2025
  7

• No Audio on Windows

  Farama-Foundation/Arcade-Learning-Environment#649 · Filter by author Majin-Buu611 opened on Nov 18, 2025

• Breakout game is flickering when the episode_frame_number reaches 65536 while max_num_frames_per_episode is 108000 in the env spec, is this a known issue?

  Farama-Foundation/Arcade-Learning-Environment#623 · Filter by author RongpingZhou opened on Jun 15, 2025
  3

• Object Rendering Issue

  Farama-Foundation/Arcade-Learning-Environment#578 · Filter by author emdeutsch opened on Nov 18, 2024
  2

• Space Invaders Invisible bullets on Mode=0

  Farama-Foundation/Arcade-Learning-Environment#524 · Filter by author hyzhak opened on May 5, 2024
  6

• Render window size too large and cannot be closed

  Farama-Foundation/Arcade-Learning-Environment#500 · Filter by author moonmoondog opened on Oct 28, 2023
  1

• Closing environment causes a crash

  Farama-Foundation/Arcade-Learning-Environment#499 · Filter by author Jonii opened on Oct 19, 2023

• Modes not working in Breakout

  Farama-Foundation/Arcade-Learning-Environment#497 · Filter by author raymondchua opened on Sep 4, 2023
  1

• Roadmap

  Farama-Foundation/Arcade-Learning-Environment#494 · Filter by author pseudo-rnd-thoughts opened on Aug 22, 2023
  5

• Seeding mechanism breaks in DEBUG builds

  Farama-Foundation/Arcade-Learning-Environment#468 · Filter by author dreavjr opened on Aug 29, 2022
  1

• Do the V5 environments perform frame pooling?

  Farama-Foundation/Arcade-Learning-Environment#467 · Filter by author danijar opened on Aug 9, 2022
  11

• Resize window when using SDL/display_screen

  Farama-Foundation/Arcade-Learning-Environment#446 · Filter by author floringogianu opened on Jan 17, 2022
  13

• Ability to serialize RAM / frame buffer when cloning states

  enhancement
  Farama-Foundation/Arcade-Learning-Environment#417 · Filter by author JesseFarebro opened on May 16, 2021
  3

• Modes backwards compatibility.

  Farama-Foundation/Arcade-Learning-Environment#366 · Filter by author benblack769 opened on Sep 7, 2020
  5

• Segfaulting Unrelated Threads?

  Farama-Foundation/Arcade-Learning-Environment#341 · Filter by author mharradon opened on Apr 13, 2020
  2

• ALE v0.6 differences in start state

  Farama-Foundation/Arcade-Learning-Environment#291 · Filter by author JesseFarebro opened on Jan 11, 2020
  1

• Pitfall game over check doesn't seem to work

  buggame
  Farama-Foundation/Arcade-Learning-Environment#268 · Filter by author christopherhesse opened on Aug 23, 2019
  2

• List of bugs in different games

  buggame
  Farama-Foundation/Arcade-Learning-Environment#262 · Filter by author marintoro opened on May 4, 2019
  4

• How can I select levels in atari game

  docs
  Farama-Foundation/Arcade-Learning-Environment#248 · Filter by author AlexZhou1995 opened on Jul 4, 2018
  2